2007
01
January
The company was developed by Chris Wanstrath, P. J. Hyett, Tom Preston-Werner, and Scott Chacon.
2009
24
February
GitHub had amassed over 46,000 public repositories.
2009
24
July
GitHub was being joined by over 100,000 users.
2009
27
July
GitHub had grown to host 90,000 unique public repositories.
2010
25
July
GitHub was hosting 1 million repositories.
2011
20
April
GitHub was hosting 2 million repositories.
2011
02
June
GitHub had surpassed SourceForge and Google Code in the total number of commits from January to May 2011.
2013
16
January
GitHub had passed the 3 million users and was hosting more than 5 million repositories.
2015
29
July
GitHub had raised $250 million in funding in a round led by Sequoia Capital.
Microsoft acquired GitHub for $7.5 billion.