I have finally completed the encyclopedia section of
https://opcodeexplained.com/. One page for each opcode, all 256 of them. You can use them as references in blog posts, stack overflow answers, general online discussions.
There is much more to be done, including all of the tapscript variants on them, but it's in a good place to start using it! Next up is beefing up the bitcoin Script section...
If you know a lot about bitcoin script (and particularly tapscript!) and would like to help out, send me a DM!