gunicorn

gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.

hackney

simple HTTP client in Erlang

restkit

an HTTP resource kit for Python

offset

gaffer

control, watch and launch your applications and jobs over HTTP.

http-parser

HTTP request/response parser for python in C

tproxy

simple TCP routing proxy

erica

tool to manage couchapps

couchdbkit

CouchDB python framework

couchbeam

Apache CouchDB client in Erlang

flower

collection of modules to build distributed and reliable concurrent systems in Python.

socketpool

Generic socket pool