Intro

Individuals and organizations form this awesome open source community. Below is a collection of some organizations I love. The second column is the GitHub url of the organization and the third column are websites of the organization including engineering blog, developer website, API reference, etc.

Organizations

Organization	GitHub	Websites
Google	https://github.com/google	Google Developers Blog, Google Open Source
Google Samples	https://github.com/googlesamples	Google Developers
Facebook	https://github.com/facebook	Facebook Code
Facebook Incubator	https://github.com/facebookincubator	Facebook Code
Android	https://github.com/android	Android Developers, AOSP, Android Studio Project Site, Android Developers Blog
The Apache Software Foundation	https://github.com/apache	The Apache Software Foundation
Square	https://github.com/square	Square Open Source, Square's engineering blog
Evernote	https://github.com/evernote	Evernote Tech Blog
Microsoft	https://github.com/Microsoft	Open Source at Microsoft
Pinterest	https://github.com/pinterest	Pinterest Engineering
Pocket	https://github.com/Pocket	Pocket Blog
Twitter	https://github.com/twitter	The Twitter Engineering Blog, The Twitter Developer Blog
Vine	https://github.com/vine
LinkedIn	https://github.com/linkedin	LinkedIn Engineering
Flipboard	https://github.com/Flipboard	Flipboard Engineering
GitHub	https://github.com/github	GitHub Engineering, The GitHub Blog: Engineering
Instagram	https://github.com/Instagram	Instagram Engineering
Uber	https://github.com/uber, https://github.com/uber-common	Uber Engineering
Snapchat	https://github.com/Snapchat
Yahoo	https://github.com/yahoo	Yahoo Developer Network
Tumblr	https://github.com/tumblr	Tumblr Engineering
Flickr	https://github.com/flickr	code.flickr.com
Reddit	https://github.com/reddit	upvoted
500px	https://github.com/500px	500px Engineering Blog
The White House	https://github.com/WhiteHouse	Developers
US Army Research Laboratory	https://github.com/USArmyResearchLab
Atom	https://github.com/atom	Atom
Realm	https://github.com/realm	Realm
Yelp	https://github.com/Yelp	Yelp Engineering and Product
Medium	https://github.com/Medium	Medium Engineering
Airbnb	https://github.com/airbnb	Airbnb engineering & data science
material-foundation	https://github.com/material-foundation	material.io
Trello	https://github.com/trello	Tech at Trello
Netflix	https://github.com/Netflix	Netflix Open Source Software Center, The Netflix Tech Blog
Slack	https://github.com/slackhq	The Slack Engineering Blog
Lyft	https://github.com/lyft	Lyft Engineering

Contribute

Feel free to send pull requests. But make sure that organizations you add meet the following requirements:

• Internet company or organization
• Contribute to open source community
• Famous and high quality