There is a wiki at Warrior, Rogue & Mage to add notes about the system, and related materials, as well as impressions.
And then we have Play Warrior, Rogue & Mage to play, and Make a hypertext SRD for Warrior, Rogue, and Mage to make. For non-free TTRPGs I’ll probably create “read $RPG” quests, because I’m still interested. I just don’t care to contribute.