@EterNity#0001's Guide to modern paper optimisation.
An excellent reference to understand the meaning of each configuration. It also features recommendations and justifies how to choose them. [Link]
NordicGamerFE's Useful Mods
“NordicGamerFE” maintains a list of useful Forge & Fabric mods broken down by version with descriptions, compatibility details and whether it targets the client or Server. [Link]