FretBoard is the most complete PalmOS freeware reference tool for players of stringed instruments. FretBoard displays the position of notes, chords, and scales on the fretboard of virtually any stringed instrument. It supports guitar, bass, banjo, bouzouki, mandolin, violin, dulcimer, and chapman stick to name just a few of the instruments and tunings. FretBoard currently sports 70 different tunings for instuments from 4 to 14 strings.
Studycard Studio Lite is a program to create and memorize multimedia flashcards, tests, and tutorials, including picture and sound identification. It is meant for educators, students, or anyone who has something to memorize. Students can create and study their own flashcards and track their progress. Educators can create quizzes or flashcards for their students.