The second is much older (mid/earlyish 90s) that had the same p2p based donate space on your drive and fragments of your files will be stored on other connected

The second is much older (mid/earlyish 90s) that had the same p2p based donate space on your drive and fragments of your files will be stored on other connected machines. I think you are thinking of MojoNation, which died and forked off several sub-projects/companies based on its original codebase: Allmydata was just like Wuala but five or six years earlier that never gained any traction and now lives on in the Tahoe-LAFS project, and BitTorrent (which you have probably heard of...)