Projects using erlang otp

• GitHub egitd,[15] a replacement for stock git-daemon that ships with Git
• CouchDB, a document based database that uses MapReduce
• ejabberd, an Extensible Messaging and Presence Protocol (XMPP) instant messaging server
• Facebook chat system,[13] based on ejabberd[14]
• RabbitMQ, an implementation of Advanced Message Queuing Protocol (AMQP) *SimpleDB, a distributed database that is part of Amazon Web Services[16] *Delicious, a online bookmarks service part of Yahoo! *T-Mobiles SMS Global Authentication System *Erlyvideo, high efficiency multiprotocol videostreaming server *Issuu, an online digital publisher *Membase, database management system optimized for storing data behind interactive web applications. *Twitterfall, a service to view trends and patterns from Twitter[17][18] *Wings 3D, a 3D modeller *Yaws web server *Much more.