2.2.6 LilyKDE
LilyKDE is a plugin for KDE’s text editor Kate. It has a powerful Score Wizard to quickly setup a LilyPond document and an embedded PDF viewer.
LilyKDE can use Rumor, so music can entered by playing on a MIDI keyboard.
Other features are lyric hyphenation and running LilyPond on multiple files at once from within the KDE file manager.