Free version of VoodooPad, while not as powerful, it still gets the job done.
[License: Freeware| Requires: OSX 10.5+ | Size: 4.6Mb]
VoodooPad Lite 4.1
[License: Freeware| Requires: OSX 10.5+ | Size: 4.6Mb]
VoodooPad Lite 4.1