​Tiny HTTPD - 超迷你HTTP服务器​ 

thttpd

larryhe/tinyhttpd: This is a github mirror of thttpd (http://www.acme.com/software/thttpd/)

《Build Your Own Lisp》

orangeduck/BuildYourOwnLisp: Learn C and build your own programming language in under 1000 lines of code!

Bitwise - 终端十六进制编辑器​

pervognsen/bitwise: Bitwise is an educational project where we create the software/hardware stack for a computer from scratch.

Base64 编解码

jwerle/b64.c: Base64 encode/decode