Modern HTTP benchmarking tool

H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server

Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

Higher level programming in C

A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network…

Go-style concurrency in C

Heavily optimized library for DEFLATE/zlib/gzip compression and decompression

A minimal C runtime for Linux i386 & x86_64

A work-in-progress JIT-powered regex engine

A Python binding for the Hoedown Markdown library.