I remember this question was actually helpful, but search results are a bit outdated, it would be nice to have some new responses.
You must log in or # to comment.
free but you can pay for certs for a bunch of them too: https://ocw.mit.edu/ https://www.businessinsider.com/guides/learning/free-mit-online-computer-science-classes
Depends on your area if it’s free but you can never go wrong with CPR/First Aid
Being a religious officiant is an easy credential. In the US at least.
Mind exposing what this is and what it’s used for?
You can perform weddings!
There’s the Universal Life Church, the Church of the Flying Spaghetti Monster, the American Marriage Ministries, and I have no idea how many others.
Deleted.
