OnFlApp

VipRiser
FreeExtensible virtual PDF printer driver.
Mac
TagoMan
FreeTag, Document and Note Manager
Mac
Tactor
FreeTurn text into actions.
Mac
LinCastor
FreeRegister your own URL scheme and associate it with an application, shell or AppleScript
Mac
ActoTracker
FreeKeeps track of activities on your desktop so you don't have to.
MacMarkedPub
FreeWrite in Markdown from any text editing app.
Mac