I don't know this guy personally but I like his code.

I particularly like his JSON library [0], option parsing libraries [1], branchless UTF-8 decoder [2], lock-free stack [3], and trie library [4].

I also like his taste in licensing (all of the above is released under The Unlicense)

[0] https://github.com/skeeto/pdjson

[1] https://github.com/skeeto/optparse and https://github.com/skeeto/getopt

[2] https://github.com/skeeto/branchless-utf8

[3] https://github.com/skeeto/lstack

[4] https://github.com/skeeto/trie