Intro
What is Open Source explained in LEGO, a video made by Socialsquare, can help you easily understand the idea of Open Source, even for people with no prior knowledge of Open Source or Free Software.
FOSS
Starting with Computer Science
Communities
Specific Guides
Media
References:
https://github.com/pingcap/talent-plan/blob/master/courses/tp101-intro-to-oss.md