A source code only package which allows you to use .NET's nullable attributes in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework.

Extends ReSharper's static nullability analysis by changing specific, configurable elements to be [NotNull] by default

Enhances java sources compilation in a way to insert null-checks into generated *.class files

Reports diagnostics, helping you to annotate your source tree with (Item)NotNull / (Item)CanBeNull attributes.

Check data integrity for your ActiveRecord models

RST C++ Library

A beautiful and minimalistic theme for Visual Studio Code, inspired by the NotNull color scheme.