来源于互联网，不保证准确性

北京圈非游戏的Erlang大概有

联想智能家居、

新浪微博私信、

360某小team、

环信IM平台、

美团IM平台、

网信金融IM平台、

国美IM平台。

其他没名气的，就不一一说了，像什么中搜、巨微米不值一提的太多。

淘宝-分布式数据库（阿里云mysql云平台基本上用erlang做的，代码达到10万行左右）
极光推送 – 推送服务器
云巴推送 – 推送服务器
去哪儿网 – 推送系统
携程网 – IM服务器
美团网 – 云通信平台
国美在线 – 消息推送
4399游戏、明朝网络 – 游戏服务器

佳缘佳信 ： http://im.jiayuan.com/

webqq：erlang的mochiweb实现的

whatsapp:  在ejabberd基础上实现的，被facebook以190亿美元收购

爱立信，亚马逊，facebook，英雄联盟聊天服务，

Couchdb，Rabbitmq

以下来自维基百科：

Erlang in Industry

Software projects written in Erlang

• Configuration management:
  • Chef (software), for which the core API server, originally written inRuby, was completely re-written in version 11 in Erlang^[26]
• Content Management System:
  • Zotonic, a content management system and web framework written in Erlang
• Distributed databases:
  • Cloudant, a database service based on the company's fork of CouchDB,BigCouch
  • CouchDB, a document-based database that usesMapReduce
  • Couchbase Server (née Membase), database management system optimized for storing data behind interactive web applications^[27]
  • Mnesia, a distributed database
  • Riak, a distributed database
  • SimpleDB, a distributed database that is part ofAmazon Web Services^[28]
• Message broker:
  • RabbitMQ, an implementation ofAdvanced Message Queuing Protocol (AMQP)
• Online messaging:
  • ejabberd, anExtensible Messaging and Presence Protocol (XMPP) instant messaging server
  • MongooseIM, a massively scalable XMPP platform
• Solution stacks
  • LYME (software bundle), to servedynamic web pages
  • LYCE (software bundle), to servedynamic web pages
• Tools
  • Wings 3D, a 3D subdivision modeler, used to model and texture polygon meshes
• Web servers:
  • Cowboy (Erlang), a small, fast, modular HTTP server written in Erlang.
  • Yaws web server

Companies using Erlang

Companies using Erlang in their production systems include:

• Amazon.com uses Erlang to implementSimpleDB, providing database services as a part of the Amazon Web Services offering.^[29]
• AOL's digital advertising business is using Erlang for its real time bidding exchange systems.^[30]
• Battlestar Galactica Online game server byBigpoint
• Bet365, the online gambling firm uses the language in production to drive its InPlay betting service, pushing live odds of sporting events to millions of customers in near real-time.^[31]
• Call of Duty server core^[32]
• Discord^[33]
• DNSimple, a DNS provider that uses Erlang to run DNS servers in a globally distributed Anycast network, managing billions of requests per day.
• Ericsson uses Erlang in its support nodes, used in GPRS, 3G and LTE mobile networks worldwide.^[34][35]
• Facebook uses Erlang to power the backend of its chat service, handling more than 200 million active users.^[36] It can be observed in some of its HTTP response headers.^{[citation needed]}
  • Facebook Chat system was running on ejabberd based servers^[37][38][39]
• GitHub, a web-based hosting service for software development projects that use theGit version control system. Erlang is used for RPC proxies to ruby processes.^[40]
• Goldman Sachs,high-frequency trading programs^{[citation needed]}
• Huffington Post uses Erlang for its commenting system on HuffPost Live.^[41]
• Issuu, an online digital publisher^[42]
• Klarna, a Swedish e-commerce company, has been using Erlang to handle 9 million customers and 50 million transaction since 2005.^[43]
• League of Legends chat system byRiot Games, based on ejabberd
• Linden Lab uses Erlang in its games.^[44]
• Machine Zone, a developer of Free-to-play games, uses Erlang in Game of War: Fire Age.^[45]
• Smarkets, sportsbetting exchange
• Tuenti chat is based on ejabberd^[46]
• Twitterfall, a service to view trends and patterns fromTwitter^[47][48]
• Rackspace uses Erlang in some of its internal applications to manage networking devices.^[49]
• Rakuten uses Erlang for its distributed file system.^[50]
• Vendetta Online Naos game server^[51]
• World of Tanks uses Erlang for message delivery and communication between game players.^[52]
• WhatsApp uses Erlang to run messaging servers, achieving up to 2 million connected users per server.^{[53][54][55][56]}
• Whisper, an anonymous social network on mobile^[57]
• Yahoo! uses it in its social bookmarking service, Delicious, which has more than 5 million users and 150 million bookmarked URLs.^[58]