I'm proud to annouce that HashBin v3 is out, using the latest improvements to dkGeshi (old sfGeshi, soon public) and the brand new dkAntispamPlugin, which can give a text a note about its probability of being spam, or junk. If everything goes well with hashbin, and after some required (i guess) tuning to the plugin, it will go opensource to let you take advantage of it.

For thoose who never used it, HashBin is a free PasteBin service, a collaborative debugging tool allowing developpers to share source code snippets. Hashbin is powered by the Symfony Framework and PHP Doctrine ORM.