Open 2sky is a full-featured planetarium application for Palm OS, released as open source by Kevin S. Polk in 2010.

Some of its features include:

  • Star catalogs up to magnitude 11 (and smaller catalogs for devices with limited ...

DrawIt is a multi-page drawing program for PalmOS 3.5, written by Andrew Empson. The application is freeware up to version 1.43; it became shareware starting with version 2.0.

Version 1.43 contains the application, as well as bitmap converters ...

Six sides not enough? Roll a whole collection of dice arranged in a user-friendly layout that makes it easy to decide the fates of many different kinds of game. Dice Roller works great for D&D, Dungeon Crawl Classics, Pathfinder, and more. Tested ...

Following the removal of Palm OS apps from its online store, prolific handheld games publisher Astraware posted a list of registration codes matched to Astra ID's used to register their software.

This archive contains the complete list of ID's ...

An abacus.

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The Tungsten T3 famously featured a sliding screen to switch between 1:1 and 3:2 aspect ratios, offering the best of both worlds between old and new apps. However, not all apps may correctly recognize the T3’s 3:2 mode and continue running in 1:1 ...

HeadCold is a small PalmOS utility that will allow you to direct the sound output of a Treo600 or a Treo650 to either the built-in speaker or the headphone jack.

HeadCold is FREE software, released under the GPL license. You may download both ...

AsciiChart is a simple character set and font display utility for Palm OS devices. Use AsciiChart to view the characters available in each of the Palm OS built-in fonts or as a reference for the ASCII character set.

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A bullet hell game where your only objective is to survive countless waves of bullets. The further you get, the more difficult it gets. Use the stylus to dodge, but beware: A trail will be momentarily created when moving fast that can be hit.