Atenza's (also named Neo-B5F) Firefox builds from previous B5F (Big-5 Fixed) Community Edition. It gives most common tune up so that can be work on computer can run Firefox. Both SFX file and installer are available.
KompoZer is a wysiwyg HTML editor (Nvu/Composer fork) aimed towards advanced users. My cutsom veriosn will take more cutsomizations.