Lambda School - A full Computer Science education - free until you get a job
Google Open Source - All of Googles open source projects under a single umbrella
Microverse - The global school for remote software developers.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
TripleTen - The beginner-friendly online coding bootcamps with the highest completion rate and grad employment
Open Source @IFTTT - A collection of IFTTT OSS projects.