jl is a parser and formatter for JSON logs, making machine-readable JSON logs human readable again.

Novel approach to building reusable and extensible compiler infrastructure. MLIR aims to address software fragmentation, improve compilation for heterogeneous hardware, significantly reduce the cost of building domain specific compilers, and aid in connecting existing compilers together.

Suitesparse is a collection of libraries for computations involving sparse matrices.

FlatBuffers is an efficient cross platform serialization library for C++, C#, C, Go, Java, JavaScript, TypeScript, PHP, and Python. It was originally created at Google for game development and other performance-critical applications.

The Debian Edu Router project provides installation routines for setting up a network router for the Debian Edu system (or for other school networks).

Apache Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Oracle, and provides a "pure Java" HTTP web server environment for Java code to run.