Features of hittpd:

- Asynchronous poll(2) loop
- Uses the robust http-parser of node.js
- Directory Indexes
- HTTP 1.0 and HTTP 1.1 support
- Ranges (basic variants only)
- If-Modified-Since
- Keep-Alive
- IPv6
- sendfile(2) on Linux
- Virtual Hosts
- ~user directories
- NCSA compatible log format
- Connection timeouts
- Portable code
- MIT licensed
- less than 3kloc total

Anti features:

- No daemonization, no pidfiles, use a service supervisor
- No config files
- No CGI support
- No SSL, use behind hitch or the like

Other nifty small webservers to look at:

- thttpd
- bozohttpd
- darkhttpd