Packages with the http2 use flag

dev-php / swoole : Event-driven asynchronous & concurrent & coroutine networking engine

  • Add support for HTTP/2 protocol via net-libs/nghttp2

dev-python / twisted : An asynchronous networking framework written in Python

  • include http2 support

net-libs / libwebsockets : canonical libwebsockets.org websocket library

  • Support the HTTP/2 protocol

net-misc / curl : A Client that groks URLs

  • Enabled HTTP/2.0 support

www-servers / nginx : Robust, small and high performance http and reverse proxy server

  • Enable HTTP2 module support