GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

A modern, portable, easy to use crypto library.

http request/response parser for c

Experimental, scalable, high performance HTTP server

Some helpful preload libraries for pwning stuff.

"interesting" VM in C. Let's see how this goes.

OpenBSD httpd

A secure application sandbox built with modern Linux sandboxing features - no longer actively developed, but still works fine, use bubblewrap if you need more functionality

A tiny embeddable HTTP server written in C89

Volley is a benchmarking tool for measuring the performance of server networking stacks.

OpenBSD relayd daemon -experimental