abcm2ps is a package that converts music tunes from ABC format to PostScript. Based on abc2ps version 1.2.5, it was developed mainly to print baroque organ scores that have independant voices played on one or more keyboards, and a pedal-board. It introduces many extensions to the ABC language that make it suitable for classical music.
JedABC is an extension to the JED editor that turns it into a powerful and easy to use IDE (Integrated Development Environment) for ABC files, with full integration with players, and previewers. It is similar in concept to BarFly or runabc, with several advantages. It works on Windows and Linux, and possibly other Unix variants.
latex4jed is an S-Lang file for the Jed editor which provides a greatly enhanced LaTeX mode, similar to AUC TeX. It features menus, shortcuts, templates, syntax highlighting, document outlines, integrated debugging, symbol completion, full integration with external programs, and more. It was designed with both the beginner and the advanced LaTeX user in mind.