mongoose

Small, fast, embeddable web server with CGI, SSL, Authorization

Mongoose is a small, fast and easy to use web server. It supports CGI, SSI, SSL, Digest auth, Websocket, WEbDAV, Resumed download, URL rewrite, file blacklist. Having SHTTPD as a predecessor, another feature of mongoose is the ability to embed it into existing C/C++ applications. Embedded API is very clean and simple. Mongoose has small memory footprint. Use it when other web servers like Apache are too heavy for your tasks.