bingo-cards is a program to create number, word/letter, and picture bingo cards. These cards can be used for entertainment in the car, in a classroom (for example, to teach the element symbols for the Periodic Table), or just with your kids. You could also create bingo cards with little pictures of everyday objects, then call the names out in Spanish, French, Italian, or German (or whatever you fancy).
Pavlov is a multiple choice study system in which flashcards magically shuffle themselves to optimize study time. They sing and otherwise entertain you while you study. It uses easy-to- write "pluglets" for feedback mechanisms (entertainment) and question choice strategies (efficiency).
Ten Thumbs Typing Tutor is a complete typing course suitable for beginners, advanced typists, adults, and children. It features two games, animated diagrams, comments, progress reports, and much more. It also includes networking capabilities, updated graphics, the ability to import your own music, and password protection for student files.
CBT Combo is a Computer-Based Training program for K-12 teachers who use Linux. It is text based and supports full internationalization and localization. It is a combination of authoring and playback software, and allows everyone to create training courses for others on most subjects. It supports access through serial TTYs, telnet, console, and xterms. X11 is not required but is supported through xterm. It runs extremely well on older 386 and 486 systems as well as more modern systems.
Asymptopia Flashcard System uses Motif and LaTeX to produce, manage, and use attractively formatted flashcards. You load some or all of your "collections" and set the timer for pop-up frequency. The GUI interface and "Collection Manager" make creating and modifying flashcards as simple as pushing a single button. A knowledge of LaTeX is only required when entering special symbols.