• gorilla/context stores global request variables. • gorilla/mux is a powerful URL router and dispatcher. • gorilla/reverse produces reversible regular expressions for regexp-based muxes. • gorilla/rpc implements RPC over HTTP with codec for JSON-RPC. • gorilla/schema converts form values to a struct. • gorilla/securecookie encodes and decodes authenticated and optionally encrypted cookie values. • gorilla/sessions saves cookie and filesystem sessions and allows custom session backends. • gorilla/websocket implements the WebSocket protocol defined in RFC 6455.

* String manipulation. * Session and cookie support. * GET and POST methods manipulation etc... * LibCGI have also mailing list.