Apps which have been recompiled:
Apps which run un-modified
Native-ported libraries (mostly for developers/porters)
Apps removed for known issues:
  • MonoTorrent Client. BitTorrent client, both GUI and CLI. Currently experimental/alpha quality, many people have reported that they can't download anything. GUI, CLI, More info.
Win8/Windows RT projects:
List of desktop apps for hacked RT devices

WP8 projects:
Native Access WebServer and Libraries
WP8 Interop Unlocks
Storage Cleanup tool

WP7 projects:
XapHandler, Root Webserver, OEM Marketplace XAPs, Bookmarklets collection (Find On Page), Interop-unlock hacks.

Do not private message me with questions that should have been posted on the forum! Not only are you wasting your time - I'm not going to bother writing an answer to such a question for only one person - but I will probably block you from PMing me in the future as well.