eMule - eMule is a free peer-to-peer file sharing application for Microsoft Windows.
TideTask - Control your procrastination and never miss a task again
Soulseek - Soulseek® is a unique ad-free, spyware free, and just plain free file sharing application.
Motion Firefox - All-in-one time management tool in Firefox
Shareaza - Shareaza is the most luxurious and sophisticated file sharing system you'll find.
Taskable - Using multiple work apps leads to tons of context switching, breaking flow and killing productivity.