eTktab
Freeware ASCII tablature editor for Mac/Windows/Unix. 30 fretboard positions accessible by a single keystroke. 4-7 strings.

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.

RandyTab
Freeware Windows 9x guitar tablature editor. Includes MIDI support.

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.

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.