a group of developers wrote an open letter to GitHub, expressing their frustration with the lack of tools to manage an ever-increasing work load, and requesting that GitHub make important changes to its product.
We’re in a brave, new post open source world
Nadia Eghbal

Fortunately, a FOSS competitor to github is rising and they responded to the letter to github https://about.gitlab.com/2016/01/15/making-gitlab-better-for-large-open-source-projects/