There is also libonion (https://github.com/davidmoreno/onion https://github.com/davidmoreno/onion), another high performance HTTP library. It also has C and C+

There is also libonion (https://github.com/davidmoreno/onion https://github.com/davidmoreno/onion), another high performance HTTP library. It also has C and C++ support, with very clean API, django-like templates, initial Python and PHP bindings, Websocket, Webdav, has several threading modes (poll, pool, one thread...) And many other goodies. Disclaimer: Im the author.