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Browse free open source Application Servers and projects below. Use the toggles on the left to filter open source Application Servers by OS, license, language, programming language, and project status.

  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • FusionAuth: Authentication and User Management Software Icon
    FusionAuth: Authentication and User Management Software

    Offer your users flexible authentication options, including passwords, passwordless, single sign-on (SSO), and multi-factor authentication (MFA).

    FusionAuth adds login, registration, SSO, MFA, and a bazillion other features to your app in days - not months.
    Learn More
  • 1
    SAP NetWeaver Server Adapter for Eclipse

    SAP NetWeaver Server Adapter for Eclipse

    Integrates Eclipse with the SAP NetWeaver Application Server

    Integrates Eclipse with the SAP NetWeaver Application Server.
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    Downloads: 476,770 This Week
    Last Update:
    See Project
  • 2

    iisnode

    Hosting node.js applications in IIS on Windows

    iisnode is a native IIS module that allows hosting of node.js applications in IIS on Windows. It comes with a lot of benefits, including process management, scalability on multi-core servers, integrated debugging and many more. Prerequisites for using iisnode are Windows Vista, Windows 7, Windows 8, Windows Server 2008, or Windows Server 2012; IIS 7.x with IIS Management Tools and ASP.NET; WebSocket functionality requires IIS 8.x on Windows 8 or Windows Server 2012; URL rewrite module for IIS; and the latest node.js build for Windows.
    Downloads: 68 This Week
    Last Update:
    See Project
  • 3
    RabbitMQ Server

    RabbitMQ Server

    Core server and tier 1 (built-in) plugins

    RabbitMQ is the most widely deployed open source message broker. With tens of thousands of users, RabbitMQ is one of the most popular open source message brokers. From T-Mobile to Runtastic, RabbitMQ is used worldwide at small startups and large enterprises. RabbitMQ is lightweight and easy to deploy on premises and in the cloud. It supports multiple messaging protocols. RabbitMQ can be deployed in distributed and federated configurations to meet high-scale, high-availability requirements. RabbitMQ runs on many operating systems and cloud environments, and provides a wide range of developer tools for most popular languages. Supports multiple messaging protocols, message queuing, delivery acknowledgement, flexible routing to queues, multiple exchange type. Deploy as clusters for high availability and throughput; federate across multiple availability zones and regions. HTTP-API, command line tool, and UI for managing and monitoring RabbitMQ.
    Downloads: 40 This Week
    Last Update:
    See Project
  • 4
    lichess.org

    lichess.org

    The forever free, ad-free and open source chess server

    lichess.org (also known as Lila - lichess in Scala) is a free and open source chess server written in Scala 2.13 that focuses on real time gameplay and ease of use. It’s where countless chess players and chess enthusiasts can gather and watch or play from a selection of over a million games every day, analyze games, learn and improve their playing. lichess is equipped with a search engine, computer analysis, tournaments, exhibitions, a mobile app, a shared analysis board, and so much more. Thanks to its large active community, the UI is available in more than 130 different languages. lichess is one of the most popular chess websites in the world and remains totally free and ad-free. Visit https://lichess.org today to know more and see what it’s about!
    Downloads: 32 This Week
    Last Update:
    See Project
  • ManageEngine Endpoint Central for IT Professionals Icon
    ManageEngine Endpoint Central for IT Professionals

    A one-stop Unified Endpoint Management (UEM) solution

    ManageEngine's Endpoint Central is a Unified Endpoint Management Solution, that takes care of enterprise mobility management (including all features of mobile application management and mobile device management), as well as client management for a diversified range of endpoints - mobile devices, laptops, computers, tablets, server machines etc. With ManageEngine Endpoint Central, users can automate their regular desktop management routines like distributing software, installing patches, managing IT assets, imaging and deploying OS, and more.
    Learn More
  • 5
    Jenkins

    Jenkins

    Build great things at any scale

    Jenkins is the leading open-source automation server that allows you to build great things at any scale. Jenkins is built with Java and provides hundreds of plugins for building, deploying and automating virtually anything, allowing you to focus on more important things. Jenkins is often used for building projects, running tests, analyzing static code and deployment. Whatever is done repetitively, Jenkins can most likely execute and execute well, saving you time and optimizing your development process. Jenkins is easy to install, easy to configure and extensible via its plugin architecture. Start building smart with Jenkins!
    Downloads: 24 This Week
    Last Update:
    See Project
  • 6
    nvm

    nvm

    Version manager for node.js

    Node Version Manager or nvm is a POSIX-compliant bash script for managing multiple active node.js versions. It allows you to access every long term support (LTS) version of node.js, download any of these remote LTS versions locally, set up aliases so you can easily switch between downloaded Node versions, and automatically use the version of node.js that is specified if a .nvmrc file is present. Nvm can work on any POSIX-compliant shell, particularly on windows WSL, macOS and unix platforms. It is designed to be installed per-user, and invoked per-shell.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 7
    Impostor

    Impostor

    An open source reimplementation of the Among Us Server

    Impostor is an open source reimplementation of the Among Us Server, written in C#. It is among the first Among Us private servers with support for Steam, Itch, Android and iOS. It is a full replacement of the game's official server, so you can expect all of the game's features to be included, and the same fun playing experience. The difference of course is that you get to play on a private and secure server. Impostor has plugin support as well as a server-sided anticheat feature. You also have the option of playing on a server hosted by someone else.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    Skript

    Skript

    Skript is a Bukkit plugin which allows server admins

    Skript is (surprise, surprise) a scripting plugin for the Bukkit platform. It is easy to use for simple tasks, but you can also create really complex things with it. The syntax of Skript is close to English, but it is still not magic. While you might succeed with experimentation for simple tasks, for anything more complex you will need some guidance. You will find all supported features of the plugin here, along with some useful examples. We don't have tutorials yet, but you can find good ones using whatever search engine you prefer. Skript requires Spigot to work. You heard it right, CraftBukkit does not work. Paper, which is a fork of Spigot, is recommended; it is required for some parts of Skript to be available. Skript supports only the latest patch versions of Minecraft 1.9+. For example, this means that 1.16.5 is supported, but 1.16.4 is not. Testing with all old patch versions is not feasible for us.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 9
    Vaultwarden

    Vaultwarden

    Bitwarden compatible server written in Rust

    Basically full implementation of Bitwarden API is provided including organizations support, attachments, vault API support, serving the static files for Vault interface, website icons API, authenticator and U2F support, yubiKey and Duo support. Pull the docker image and mount a volume from the host for persistent storage. This will preserve any persistent data under /vw-data/, you can adapt the path to whatever suits you. Some web browsers, like Chrome, disallow the use of Web Crypto APIs in insecure contexts. In this case, you might get an error like Cannot read property 'importKey'. To solve this problem, you need to access the web vault from HTTPS. This can be configured in vaultwarden directly or using a third-party reverse proxy (some examples). If you have an available domain name, you can get HTTPS certificates with Let's Encrypt, or you can generate self-signed certificates with utilities like mkcert. Some proxies automatically do this step, like Caddy.
    Downloads: 8 This Week
    Last Update:
    See Project
  • The top-rated AI recruiting platform for faster, smarter hiring. Icon
    The top-rated AI recruiting platform for faster, smarter hiring.

    Humanly is an AI recruiting platform that automates candidate conversations, screening, and scheduling.

    Humanly is an AI-first recruiting platform that helps talent teams hire in days, not months—without adding headcount. Our intuitive CRM pairs with powerful agentic AI to engage and screen every candidate instantly, surfacing top talent fast. Built on insights from over 4 million candidate interactions, Humanly delivers speed, structure, and consistency at scale—engaging 100% of interested candidates and driving pipeline growth through targeted outreach and smart re-engagement. We integrate seamlessly with all major ATSs to reduce manual work, improve data flow, and enhance recruiter efficiency and candidate experience. Independent audits ensure our AI remains fair and bias-free, so you can hire confidently.
    Learn More
  • 10
    cpp-httplib

    cpp-httplib

    A C++ header-only HTTP/HTTPS server and client library

    A C++11 single-file header-only cross-platform HTTP/HTTPS library. It's extremely easy to setup. Just include the httplib.h file in your code! This is a multi-threaded 'blocking' HTTP library. If you are looking for a 'non-blocking' library, this is not the one that you want. SSL support is available with CPPHTTPLIB_OPENSSL_SUPPORT. libssl and libcrypto should be linked. When using SSL, it seems impossible to avoid SIGPIPE in all cases, since on some operating systems, SIGPIPE can only be suppressed on a per-message basis, but there is no way to make the OpenSSL library do so for its internal communications. If your program needs to avoid being terminated on SIGPIPE, the only fully general way might be to set up a signal handler for SIGPIPE to handle or ignore it yourself. cpp-httplib officially supports only the latest Visual Studio. It might work with former versions of Visual Studio, but I can no longer verify it.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 11
    Flutter Server Box

    Flutter Server Box

    ServerBox - server status & toolbox

    Flutter Server Box (aka ServerBox) is a Flutter app that monitors and manages Linux servers. It provides charts for CPU, memory, disk, network, and tools like SSH terminal, file manager, and commands via dartssh2 & xterm.dart. Available on iOS, Android, desktop, and TV platforms, it's community-acclaimed as a lightweight alternative to Termius/ServerCat.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 12
    HFS (HTTP File Server)

    HFS (HTTP File Server)

    HFS is a web file server to run on your computer

    HFS is a lightweight HTTP file server for Windows that allows users to share files over the web easily, turning their local machine into a file server.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 13
    NATS

    NATS

    Server for NATS.io, the cloud and edge native messaging system

    With flexible deployments models using clusters, superclusters, and leaf nodes, optimize communications for your unique deployment. The NATS Adaptive Edge Architecture allows for a perfect fit for unique needs to connect devices, edge, cloud or hybrid deployments. With true multi-tenancy, securely isolate and share your data to fully meet your business needs, mitigating risk and achieving faster time to value. Security is bifurcated from topology, so you can connect anywhere in a deployment and NATS will do the right thing. With the ability to process millions of messages a second per server, you’ll find unparalleled efficiency with NATS. Save money by minimizing cloud costs with reduced compute and network usage for streams, services, and eventing. NATS self-heals and can scale up, down, or handle topology changes anytime with zero downtime to your system. Clients require zero awareness of NATS topology allowing you future proof your system to meet your needs of today and tomorrow.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 14
    Phusion Passenger

    Phusion Passenger

    A fast and robust web server and application server for Ruby

    Passenger® is an app server that runs and automanages your web apps with ease. Also improves security, reliability and scalability. Passenger 6 introduces standardization across your stack by supporting all languages. From business-critical apps with billions of requests per day to small side projects, Passenger is tailored for each scenario. Passenger has a myriad of features that are invaluable to today’s web apps and microservice APIs. You get these benefits (and more) by simply installing Passenger with Nginx or Apache. Passenger was built with high performance and efficiency in mind. With Passenger’s zero-copy architecture, turbocaching and support for multiple concurrency models, you can count on Passenger to get the most out of your hardware. Passenger auto-manages your apps’ processes, restarting them and themselves if they ever crash. Passenger also keeps resource-hogging apps in check, giving your web app maximum uptime.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 15
    Telegraf

    Telegraf

    The plugin-driven server agent for collecting and reporting metrics

    Telegraf is an agent for collecting, processing, aggregating, and writing metrics. Design goals are to have a minimal memory footprint with a plugin system so that developers in the community can easily add support for collecting metrics. Telegraf is plugin-driven and has the concept of 4 distinct plugin types. Input Plugins collect metrics from the system, services, or 3rd party APIs. Processor Plugins transform, decorate, and/or filter metrics. Aggregator Plugins create aggregate metrics (e.g. mean, min, max, quantiles, etc.). Output Plugins write metrics to various destinations. New plugins are designed to be easy to contribute, pull requests are welcomed and we work to incorporate as many pull requests as possible. You can try Telegraf right in your browser in the Telegraf playground. Telegraf shares the same minimum requirements as Go.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 16
    webhook

    webhook

    webhook is a lightweight incoming webhook server to run shell commands

    webhook is a lightweight configurable tool written in Go, that allows you to easily create HTTP endpoints (hooks) on your server, which you can use to execute configured commands. You can also pass data from the HTTP request (such as headers, payload or query variables) to your commands. webhook also allows you to specify rules which have to be satisfied in order for the hook to be triggered. For example, if you're using Github or Bitbucket, you can use webhook to set up a hook that runs a redeploy script for your project on your staging server, whenever you push changes to the master branch of your project. If you use Mattermost or Slack, you can set up an "Outgoing webhook integration" or "Slash command" to run various commands on your server, which can then report back directly to you or your channels using the "Incoming webhook integrations", or the appropriate response body.
    Downloads: 6 This Week
    Last Update:
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  • 17
    nuBuilder Forte

    nuBuilder Forte

    nuBuilder Forte is a cloud database builder.

    nuBuilder Forte is the 4th version of nuBuilder. A open-source browser-based tool created for developing web-based database applications. nuBuilder uses either MySQL or MariaDB databases and gives its users the ability to do database operations like... • Search, Create, Insert, Read, Update, Delete ✪ With low-code tools that create ... - Forms with the Form Builder - Fast Reports - Database queries with the SQL Builder - Customised date and number formats with the Format Builder - Calculated fields with the Formula Builder - Email Templates - Move and resize objects. - Further customisation that can be done with JavaScript and PHP. ✪ nuBuilder stores all forms, reports, company data and PHP/JavaScript code in MySQL. You can backup your entire application within a single database file. ✪ Easy installation: - Download and unzip the nuBuilder files - Upload to your webserver - Create a database (e.g. nubuilder4) and optionally a user - Make a copy of
    Downloads: 25 This Week
    Last Update:
    See Project
  • 18
    Socket.IO-Client-Swift

    Socket.IO-Client-Swift

    Socket.IO-client for iOS/OS X

    Socket.IO-client for iOS/OS X. Supports Socket.IO server 2.0+/3.0+/4.0+. Supports Binary, supports Polling and WebSockets, and supports TLS/SSL. Requires Swift 4/5 and Xcode 10.x. Add the project as a dependency to your Package.swift. Add the Starscream and SocketIO frameworks to your projects and follow the usual Carthage process.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 19
    Agones

    Agones

    Dedicated Game Server Hosting and Scaling for Multiplayer Games

    Multiplayer dedicated game servers anywhere. An open source, batteries-included, multiplayer dedicated game server scaling and orchestration platform that can run anywhere Kubernetes can run. Define and manage groups of ready-game servers through YAML configuration or API calls. Integrated SDK for managing game server lifecycle, health and configuration. Integration with OpenCensus for platform-independent game server metrics and monitoring dashboards. Agones replaces usual bespoke or proprietary cluster management and game server scaling solutions with a Kubernetes cluster that includes the Agones custom Kubernetes Controller and matching Custom Resource Definitions for GameServers, Fleets and more. With Agones, Kubernetes gets native abilities to create, run, manage and scale dedicated game server processes within Kubernetes clusters using standard Kubernetes tooling and APIs. This model also allows any matchmaker to interact directly with Agones via the Kubernetes API.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    Coolify

    Coolify

    An open-source & self-hostable Heroku / Netlify / Vercel alternative

    Coolify is an open-source & self-hostable alternative to Heroku / Netlify / Vercel / etc. It helps you manage your servers, applications, and databases on your own hardware; you only need an SSH connection. You can manage VPS, Bare Metal, Raspberry PIs, and anything else. Imagine having the ease of a cloud but with your own servers. That is Coolify. No vendor lock-in, which means that all the configurations for your applications/databases/etc are saved to your server. So, if you decide to stop using Coolify, you could still manage your running resources. You lose the automation and all the magic.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 21
    Trellis

    Trellis

    WordPress LEMP stack with PHP 8.1, Composer, WP-CLI

    Trellis uses Vagrant to automatically create a self-contained virtual machine. Stop cluttering up your host machine with software like MAMP and use the same software you would in production. You’ll get a complete WordPress server running all the software you need to be configured according to the best practices. All of this is powered by Ansible for configuration management. You don’t have to use brittle and confusing Bash scripts or worry about commands you found to copy and paste. Trellis is all about development & production parity. What does this mean? Your development virtual machine and your production are as similar as possible. This gives the confidence to know that if your WordPress site works in development, it will also work in production and you can deploy with confidence. trellis-cli provides a command-line interface (CLI) to manage Trellis projects via the `trellis` command with features.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    Unified Communication X

    Unified Communication X

    Communication framework for data-centric high-performance applications

    Accelerate Your Network Performance with UCX. Collaboration between industry, laboratories, and academia to create an open-source, production-grade communication framework for data-centric and high-performance applications. Unified Communication X (UCX) is an award winning, optimized production proven communication framework for modern, high-bandwidth and low-latency networks. UCX exposes a set of abstract communication primitives which utilize the best of available hardware resources and offloads. These include RDMA (InfiniBand and RoCE), TCP, GPUs, shared Memory, and network atomic operations. UCX facilitates rapid development by providing a high-level API, masking the low-level details, while maintaining high-performance and scalability. UCX implements best practices for transfer of messages of all sizes, based on accumulated experience gained from applications running on the world’s largest datacenters and supercomputers.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    ioredis

    ioredis

    A performance-focused Redis client for Node.js

    ioredis is a robust, full-featured Redis client that is used in the world's biggest online commerce company Alibaba and many other awesome companies. Full-featured. It supports Cluster, Sentinel, Streams, Pipelining and of course Lua scripting & Pub/Sub (with the support of binary messages). High performance. Delightful API. It works with Node callbacks and Native promises. Transformation of command arguments and replies. Transparent key prefixing. Abstraction for Lua scripting, allowing you to define custom commands. Support for binary data. Support for TLS. Support for offline queue and ready checking. Support for ES6 types, such as Map and Set. Support for GEO commands. Support for Redis ACL. Sophisticated error handling strategy. Support for NAT mapping. Support for autopipelining. ioredis supports all of the scripting commands such as EVAL, EVALSHA and SCRIPT.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    WebServer / AMP Stack for Windows

    WebServer / AMP Stack for Windows

    WebServer (AMP Stack) for Windows. Support multiple PHP versions.

    WebServer (AMP Stack) for Windows. Support multiple PHP versions. - Software: Apache, MySQL, MariaDB, MongoDB. - Multiple PHP Versions. - Apache supports HTTPS. - Can install on External Disk, it will fix the config path for you. - Auto-create hosts file entry for the website. - Manage servers as Windows services. - Manage websites with different PHP versions. - Auto-create missing service while starting the server. - Change port easily. - Map public folder inside, instead of root public_html folder.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 25
    A QUIC implementation in pure Go

    A QUIC implementation in pure Go

    A QUIC implementation in pure go

    quic-go is an implementation of the QUIC protocol, RFC 9000 protocol in Go. In addition to RFC 9000, it currently implements the IETF QUIC draft-29. Support for draft-29 will eventually be dropped, as it is phased out of the ecosystem. We currently support Go 1.16.x and Go 1.17.x. See the example server. Starting a QUIC server is very similar to the standard lib http in go. Also, check out the example client. Use a http3.RoundTripper as a Transport in a http.Client. QUIC includes security measures that ensure confidentiality, integrity, and availability in a range of deployment circumstances. Accompanying documents describe the integration of TLS for key negotiation, loss detection, and an exemplary congestion control algorithm.
    Downloads: 2 This Week
    Last Update:
    See Project
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Guide to Open Source Application Servers

Open source application servers are applications used to provide services related to hosting websites and web-based applications. They enable organizations, developers, and users to quickly deploy web-based applications while offering a wide range of features and capabilities.

An open source application server is an internet-facing platform that can be implemented on a variety of operating systems that provides access to existing databases and applications from remote locations. It supports multiple protocols like HTTP/HTTPS, Java Database Connectivity (JDBC), Data Access Objects (DAO) or Secure Sockets Layer (SSL). The server facilitates the development of solutions for dynamic web content such as eCommerce websites or portals that require extensive user interaction. Additionally, it provides support for distributed programming models by enabling different components of the system on different nodes while maintaining interoperability between them.

Open source application servers come with different frameworks, libraries and open source APIs which allow developers to create money-saving solutions in comparison to proprietary software tools. These include development frameworks like Apache Struts, Spring MVC, Groovy Grails; support libraries such as JavaServer Faces (JSF) and JSTL; scripting languages including JavaScript; technologies such as XMLbeans, XSLT and XPath for transforming data; transaction management via Java Transaction API (JTA); integration through Enterprise Service Bus (ESB); connector architecture for integrating remote systems; security components including authentication mechanism for managing access privileges; performance optimization tools like caching mechanisms etc.; server operators may also benefit from an extremely flexible customization environment provided by open source platforms which can be adapted more easily than other middleware products.

The most popular open source application servers are Apache Tomcat, IBM WebSphere Application Server Community Edition, JBoss AS/WildFly, Oracle GlassFish, Jetty, etc.; with each having its own advantages over the other depending on your specific requirements. All open source app servers have community forums where developers can collaborate with each other and share tips & tricks in order to get the most out of their respective product(s).

In conclusion, open source application servers provide an excellent framework to create powerful applications that are highly scalable and secure. The cost-effective nature of open source app servers makes them a popular choice among developers and businesses alike.

What Features Does Open Source Application Servers Provide?

  • Application Deployment: Application servers provide an easy way to deploy applications. The open source application server will provide the ability to install and configure applications on a web or application server. This allows for easy deployment of web applications without the need for manual configurations.
  • Clustering and Load Balancing: Open source application servers can be used to cluster multiple instances of the same app in order to increase scalability, performance, redundancy, and availability. Moreover, clustering also helps with load balancing so that different parts of your distributed workload are spread across multiple machines.
  • Real-Time Monitoring: Many open source application servers have built-in real-time monitoring capabilities. System administrators can monitor resource usage (CPU/memory) as well as certain key performance indicators like response time or throughput rate in near real-time to detect any performance issues before they occur.
  • Fault Tolerance: Fault tolerance is a key feature of an open source application server that allows it to handle unexpected errors without crashing the whole system; ensuring uptime and data integrity when problems arise. This typically involves automatic retries and failover mechanisms which ensure that components keep running even if other components crash.
  • Security Features: Open source application servers come with extensive security features such as authentication/authorization, encryption, two factor authentication, firewalls, etc. These features help protect user data from malicious users by preventing unauthorized access and tampering with data stored in the database or elsewhere within the system's infrastructure.
  • Automation: Automation or orchestration is a very important part of any open source application server. Through automation, applications can be easily deployed and maintained with minimal manual interventio; ensuring that they are always running in optimal conditions. This frees up time for developers to focus on more complex tasks such as feature development or coding fixes rather than spending time manually deploying/configuring apps.

What Are the Different Types of Open Source Application Servers?

  • Apache Tomcat: Apache Tomcat is a community maintained open source application server designed to provide a wide range of services for deploying and running Java-based web applications. It supports multiple types of web applications, including servlets, JavaServer Pages (JSPs), and WebSocket technology.
  • WildFly: WildFly is an open source application server developed by the JBoss Community. It provides an advanced implementation of the Java Enterprise Edition specification. This includes full support for EJB 3.2, Hibernate, JPA, JNDI, Web Services and more.
  • Jetty: Jetty is a lightweight open source Java application server developed as part of the Eclipse Foundation’s project for creating an integrated development environment (IDE). It offers integration with various programming APIs such as Servlet API, Stream API and HTTP Server API among others. It also provides powerful features like content caching to enhance performance.
  • GlassFish: GlassFish is an open source application server that comes bundled with tools such as the Oracle Application Server Control Console and the Oracle Collaboration Suite administration console making it easier to administer large enterprise applications environments quickly and efficiently with minimal effort or cost involved.
  • JBoss: Developed by Red Hat Enterprise Linux since its inception in 1999, JBoss has grown into one of the most popular open source application servers in use today owing to its successful delivery model based on reliable management capabilities that are optimized for performance across cloud computing scenarios ranging from modest web applications all the way up to complex enterprise solutions using hundreds of different components working together seamlessly in tandem.
  • WebSphere: Developed by IBM and available as both an open source and commercial offering, WebSphere is a full-featured application server that comes with such amenities as clustering support, advanced load balancing capabilities, dynamic caching mechanisms and the ability to integrate with legacy systems. It also includes an extensive suite of tools for managing back-end solutions without requiring in-depth programming knowledge.

What Are the Benefits Provided by Open Source Application Servers?

  • Cost-Effective: Open source application servers provide a cost effective alternative to traditional software. Because open source applications are typically free, they save businesses from having to budget for expensive licenses and/or installation costs. Additionally, most application server vendors offer support services for a nominal fee, which can help businesses save on ongoing maintenance costs.
  • Flexibility: Another benefit of open source application servers is their flexibility. Since the code is open, users can customize it to fit their unique needs or requirements. This allows them to create unique solutions, while avoiding unnecessary overhead costs associated with proprietary software.
  • Security: Open source application servers are typically more secure than traditional applications because they have been thoroughly tested by the open source community. Plus, most application server vendors provide periodic updates and security patches that significantly reduce the risk of malicious attacks.
  • Scalability: Open source application servers also excel in scalability, allowing businesses to quickly expand as needed without paying additional license fees or dealing with extra hardware installations. Additionally, many machines are designed with high-availability and fault tolerance features that ensure maximum uptime for mission critical operations.
  • Open Standards: Many open source application servers support multiple platforms and standards, giving businesses access to a range of technologies across multiple operating systems and devices. Furthermore, since development teams often collaborate on open source projects, these standards tend to be well documented and easier for developers to understand and implement when creating custom solutions.
  • Interoperability: Open source application servers are also extremely interoperable, allowing them to easily integrate with other software applications. This helps businesses reduce the complexity of managing multiple applications and components in their IT environment.

Types of Users That Use Open Source Application Servers

  • Developers: Developers often use open source application servers to create web applications. They can utilize features such as libraries, development frameworks and APIs to create their software quickly and easily.
  • System Administrators: System administrators are responsible for installing, configuring, and maintaining the open source application server. They must also ensure that all security protocols are met while making sure that applications run smoothly on the system.
  • Web Designers: Open source application servers make it easy for web designers to create websites with dynamic content and interactive elements. This allows them to utilize powerful tools such as CSS styling, plugins, drag-and-drop HTML editors, etc., simplifying their job of creating user-friendly websites.
  • End Users: End users benefit from open source application servers in two ways. They can access applications created on the platform faster than traditional web hosting solutions; they also get access to a wide range of free support options provided by the community, including forums and discussion boards where users help each other out with technical issues related to the application server or any applications running on it.
  • Enterprise Users: Enterprises can rely on open source application servers to reduce costs and improve efficiency. They can use the platform to develop applications quickly, integrate them with their existing systems, and deploy them much faster than traditional solutions. Additionally, they get access to enterprise-level features such as scalability, availability, fault tolerance and disaster recovery support.

How Much Do Open Source Application Servers Cost?

Open source application servers are completely free. Many popular open source application server platforms, such as Apache Tomcat and Jetty, are available for download without any charge. Additionally, the source code for these applications is freely available so you can modify it to fit your needs or make enhancements to it if desired. Open source development communities also often provide documentation and support forums which help users troubleshoot issues and find solutions. Some may require systems administration knowledge to setup and configure properly though, which could incur some costs depending on your particular organization's situation. While there might be associated costs of setting up an open source application server platform in certain scenarios, the software itself is generally free.

What Software Do Open Source Application Servers Integrate With?

Software that can integrate with open source application servers includes operating systems, programming languages, database management systems, web applications, and XML tools. Operating systems such as Linux provide the underlying platform where open source application servers run. Programming languages like Python and Java are used to develop the applications responsible for managing server resources and providing access to external services. Database management systems like Oracle and MySQL allow developers to create and store databases of custom information accessed by the application server. Web applications such as Apache Tomcat can be integrated with an open source application server to prevent malicious attacks from outside sources. Finally, XML tools such as SimpleAPI and Magento can be used to process data associated with an open source application server in a uniform way for easy accessibility.

Recent Trends Related to Open Source Application Servers

  • Increased Scalability: Open source application servers provide increased scalability, allowing for the rapid deployment of applications and services. This is especially beneficial for web applications and services that require a large number of concurrent users.
  • Reduced Costs: Open source application servers do not require expensive licensing fees, making them an attractive option for organizations and businesses with tight budgets.
  • Cross-Platform Compatibility: Open source application servers can run on multiple platforms, including Windows, Linux, and macOS. This allows users to deploy their applications on any supported platform without having to worry about compatibility issues.
  • Improved Security: Open source application servers offer enhanced security measures that help protect user data and applications from malicious attacks. This is especially important in environments where sensitive information is stored or accessed.
  • Automation Capabilities: Many open source application servers provide automation capabilities, allowing users to automate tasks such as deploying applications or setting up servers. This helps reduce the amount of manual effort required to maintain and manage a system.
  • Extensibility: Open source application servers are highly extensible, allowing developers to customize their applications and services to meet specific needs. This makes it easy to integrate new features or add additional functionality without the need for costly development work.

How Users Can Get Started With Open Source Application Servers

Getting started with using open source application servers is relatively simple and straightforward. The first step is to download the latest version of the open source server you wish to use for your project. Many of the most popular options such as Apache, Tomcat, and JBoss can be found on their respective websites or via a third-party repository like Maven or Gradle.

Once you have downloaded and installed the application server on your machine, it will usually come with basic documentation that explains how to set up an environment. This should provide guidelines on how to configure settings such as authentication credentials and web ports in order to get your environment up and running.

Next you will need to deploy (upload) your applications onto the server so that they can be accessed by users. Depending upon the type of platform you are using for development (e.g., Java EE), there may be different ways of doing this, but generally speaking it requires some form of deployment descriptor file (such as a web archive or EAR file) which will describe where certain resources related to an application are located on disk, what classes should be loaded, etc. There are also dedicated tools available for automating these tasks depending upon which platform you are using.

Finally, once everything has been deployed successfully it is important to test that all services are working correctly before going live with an application server environment. This may involve manually accessing pages through a web browser or writing automated tests that verify certain behavior within an application's interface or API endpoints if needed. This should complete the basic steps required in getting started with open source application servers.