Whatever is listed here:
https://wowdev.wiki/Community_Projects
MPQ Editor
http://www.zezula.net/en/mpq/download.html
Meshes BFA/SL -> WOTLK 3.3.5a M2
https://github.com/MaxtorCoder/MultiConverter/tree/master
Youtuber reference
https://www.youtube.com/@PhilipTheNoobModder/videos