h2 SubEthaEdit 1.x
h2 SubEthaEdit 2.x
A new-format language "mode" for SubEthaEdit 2.x is available here.
VIM has been done by Alessio Pace here.
h2 TextPad 4
Guillaume Laforge wrote a syntax file for the TextPad text editor which can be downloaded here. This file should be installed in the Samples subdirectory of your TextPad installation.