Many projects do include obituaries in the project itself. Many coders who made considerable contributions to the OpenSource world remain virtually unknown.
Python has many many ways to be useful, it might just be a script. I have seen people with far less py skills than me use Python for a small Gui app or a simple script and they are very happy as it helped them. Try teaching what you know, it can make a big difference to someone and ... you will get new insights. You tried OpenSource?
Free - you don't have to pay money. Legally - to emphasize it is not pirated books, to differentiate with many articles claiming to show free books when they in reality show links to pirated materials