For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTMP, RTMP…

A C library for asynchronous DNS requests

tiny HTTP parser written in C (used in HTTP::Parser::XS et al.)

kumofs is a scalable and highly available distributed key-value store.

Growl Implementation For Linux #growl4linux

a memcached proxy with energy and pep

a fast http parser

libmemcached-based cache storage module for Apache2's mod_cache

libdrizzle bindings for perl5

a fast http parser