Bucket o' Tab: Freeware tablature editor for Windows 3.1/9x. 4-7 strings. Includes MIDI support.
eTktab: Freeware ASCII tablature editor for Mac/Windows/Unix. 30 fretboard positions accessible by a single keystroke. 4-7 strings.
Gootar's Guitar Tab Generator: Online open source tab editing program, uses regular text files.
Guitar Pro: A multitrack tablature editor/player for guitar, banjo and bass. Free demo. Import/export MIDI and ASCII. Links to Guitar Pro tabs.
MusEdit: Notation software for guitar/bass tablature (4-6 strings, alternate tunings), treble/bass/drum notation, chord diagrams, and lyrics in any font.
Tab Book: Tablature organizer. Supports .tab and .crd formats.
TaBazar: A 10-track tablature editor with MIDI playback for guitar, bass, and banjo.
TabIt: Shareware program for creating, playing, and printing guitar, bass or banjo tablature and making MIDI files.
TablEdit Tablature Editor: A program for creating, editing, printing and listening to tablature and sheet music. Multiple tracks, 3-12 strings, MIDI playback.
TabPlayer 6.0: Edit, play, print and write guitar tablature. Also features an MP3 player and a chord dictionary.
Tabs, Lyrics & Chords: Tablature editor/database for transposing keys and other tab operations.
Web Chord: An on-line utility for converting ChordPro files to HTML, for viewing, printing or use on web pages.