The playlist Computer Specialist (CS) Training for Public Servants (French subtitles) has several videos about git like:
Linus Torvalds created Git. Here's him speaking about its core features for 9 minutes.
What is GitLab? in 8 minutes.
Ten years of Git history in a short, visual article.
Linus Torvalds created Git. Here's him speaking at TED.
Markdown is a simple but powerful language used to write documents. This is a perfect way for non-technical, non-coders to understand and use git. Here's a GitLab talk about non-developers using Git.
In 2018 Microsoft acquired GitHub for 7.5 billion dollars. Here's a fairly neutral and energetic business analysis on why and the history of GitHub. See also Microsoft's statement on acquiring GitHub.
A list of federal, provincial, and municipal governments on GitHub.
Linux Torvalds created Git. He has a distinct, abrasive, and entertaining personality. Watch this hour talk he gave to Google in 2007.
The article "A successful Git branching model" is a classic, although its view of Git is disputed.
This article criticizes the previous article and offers an alternative.
There are many articles on merging versus rebasing. I thought this one was good.
Please send me an email if you know of a free learning resource I could add to this page, especially anything in French.