Reptile is:

"[...] an easy way to share information with others on the Internet in a distributed and efficient manner. Generally this information is news syndicated through RSS but Reptile can support any content type including other XML formats and potentially binary data [...] Reptile also includes integration of a Reputation Management Framework (RMF) which is used to eliminate useless information. [...] Basically you could think of reputation in terms of a very advanced collaborative filtering system or an Advogato type trust metric (which we plan on implementing)."

Update: this project turned into Newsmonster in 2002.