libev

Name Category Description
getdns net-dns Modern asynchronous DNS API
libverto dev-libs Main event loop abstraction library
libwebsockets net-libs A flexible pure-C library for implementing network protocols
lighttpd www-servers Lightweight high-performance web server
lwt dev-ml Cooperative light-weight thread library for OCaml
onion net-libs C library to create simple HTTP servers and Web Applications

Thank you!