A curated list of Hashgraph application code and other resources, inspired by other awesome lists.

• Official Hashgraph Sites
• Reference Key
• Hedera Open Source
• Hedera Projects
• Swirlds Open Source
• Communities
• Articles and Presentations
• Contributing
• License

• Hedera - the only public network authorized to implement the hashgraph algorithm.
• Swirlds - inventors of the hashgraph consensus algorithm, offering licenses to use it in permissioned environments.

= Projects officially maintained by Hedera Hashgraph LLC.

This section features open source projects in the Hedera Hashgraph ecosystem.

Software development kits (SDKs)

• Hedera Java SDK - the official Java SDK for interacting with Hedera Hashgraph.
• Hedera JavaScript SDK - the official JavaScript SDK for interacting with Hedera Hashgraph.
• Hedera .NET SDK - the community-maintained .NET SDK for interacting with Hedera Hashgraph.
• Hedera Go SDK - the community-maintained Go SDK for interacting with Hedera Hashgraph.
• Hedera Rust SDK - the community-maintained Rust SDK for interacting with Hedera Hashgraph.

Open source Hedera dev tools

• Hedera Java Keygen Tool - a command line utility for managing ED25519 key pairs for use with Hedera Hashgraph (deprecated).

Open source Hedera examples & references

• Hedera protobuf - The protobuf message files defining the Hedera Hashgraph API.
• Hedera Mirror Node - Hedera Mirror Node exposes Hedera Hashgraph transactions, transaction records, account balances, and events generated by the Hedera mainnet (or testnet, if so configured) via a REST API.
• MyHbarWallet - A free, client-side interface helping you interact with Hedera Hashgraph.
• Hedera iOS wallet - The open source Hedera Wallet for iOS lets you manage HBAR and create accounts on the Hedera mainnet.
• Hedera Android Wallet - The open source Hedera Wallet for Android lets you manage HBAR and create accounts on the Hedera mainnet.
• Hedera Browser Extension - A wallet, implemented as a chrome extension, for consumers to use their Hedera account for micropayments (deprecated).
• Hedera WordPress Plugin - Wordpress plugin, demonstrating Hedera micropayments seamlessly connected to the Hedera Browser Extension (deprecated).
• Hedera Leger App - Hedera wallet application for Ledger Nano S
• Hash Name Service - Replace your Hedera ID with human-readable names. Register your name before someone else does!
• Hash.js - A micropayment service javascript embeddable library.
• Hedera CLI - A simple, open source, command line interface for interacting with both the Hedera Mainnet and Testnet.

Featuring projects built on top of the Hedera Hashgraph network.

Advertising

• AdsDax - AdsDax is a blockchain advertising platform and marketplace to create, buy, verify and sell advertising.

Decentralized Identity

• MyEarth.id - Earth ID is a decentralized identity management platform, which aims to provide a secure, consolidated identity.

Explorers

• Hash-Hash.info - The first explorer of Hedera Hashgraph.
• HashArc - A network explorer provided by the OpenPharma team.
• DragonGlass - Live and historical data across distributed ledgers.

Games

• Playhash - PlayHash.Com is a fair online lottery platform created by Hashgraph enthusiasts.

Network Data APIs

• DragonGlass - Providing developers with REST-based APIs for all Transactions, Accounts, and Smart Contract Information generated in Hedera Hashgraph.
• Kabuto - Developer-centric API for accessing Hedera Hashgraph data such as account, transaction, and balance information. Currently in beta.

Pharmaceuticals

• OpenPharma - An industry-first Open API software platform for pharma and life sciences, built by Certara.

Supply Chain

• Armada Chain - Armada is a collaboration hub that authenticates transactions, streamlines communication, and connects supply chains without compromising existing workflows.

Wallets

• Hedera iOS wallet - The open source Hedera Wallet for iOS lets you manage HBAR and create accounts on the Hedera mainnet.
• Hedera Android Wallet - The open source Hedera Wallet for Android lets you manage HBAR and create accounts on the Hedera mainnet.
• MyHbarWallet.com - A hosted implementation of the MyHbarWallet open source project.
• Composer For Hedera Hashgraph - A community maintained tool to interact with Hedera from the Chrome environment.
• Zabo - Providing application developers a way to connect any cryptocurrency and any wallet to any application.

General

• Hash Name Service - Replace your Hedera ID with human-readable names.

Featuring open source projects in the Swirlds ecosystem.

• Hyperledger Mercury - A community-driven open source project geared at building a Hyperledger stack on top of the Swirlds platform.
• Exo-Demo - A demonstration of a web application communicating with a Swirld. The application tracks lions, tigers, and bears in a zoo. Users can add animals to the zoo and see the updated state. The zoo state is tracked in a Swirld, and adding an animal executes a transaction on the Swirld.

• Hedera's General Telegram
• Hedera's Developer Chat
• Hedera's Medium
• Hedera's Twitter
• Hedera Status Twitter
• Hedera on Stackoverflow (Stackoverflow tag)

• Ethereum Virtual Machine on Hedera - 19/05/2023
• Account Abstraction on EVM-compatible networks: Hedera and Ethereum - 13/09/2023

We're always looking for awesome projects that showcase hashgraph! If you know of anything missing here, please submit a pull request!

When submitting, please try to maintain the existing structure and alphabetical order where possible. If you need to change the structure or other "meta" alterations, please create a new issue.