The Common Serif project is based on Libertinus Serif.

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

Automatically generate canonical forms of operators, taking advantage of the latest C++ features

Free monospaced font with programming ligatures

Hasklig - a code font with monospaced ligatures

Extension to the D standard library to make coding easier

Cormorant open-source display font family

The standard library of the D programming language

D Improvement Proposals

Interpreter for LOOP and WHILE programs