search engine

Next generation playout and ingest engine for the Mac.

Widget creation and customization engine.

Lean and fast Web browser with Gecko rendering engine.

Web browser w/Safari engine & many enhanced features; now free.

Xcore, a new torrent engine built only for Mac OS X.

Lets you play go on a 9x9 board against the GNU Go engine.

The free player with a Mathematica engine.

Swfdec is an engine that loads and runs Adobe Flash animations.

High performance transactional storage engine.

Today is a task manager shares iCal data engine.