GitHub raised approximately $354M in venture funding prior to acquisition, including a $251M Series B in July 2015and earlier Series A and grants. Founded in 2008, GitHub rapidly became the leading developer collaboration platform hosting code, pull requests, CI workflows and community tooling. Its funding helped scale engineering, platform reliability, and enterprise features that attracted large customers. Microsoft acquired GitHub in 2018 for $7.5B, integrating the platform into its developer and cloud ecosystem while preserving open development and expanding enterprise capabilities globally.