T3 has a red led, that is not used. Now you can use it to indicate sd card usage. Just install it and run.

This pack contains files from the Palm Tungsten T5 ROM. They can be installed according to the Hungarian instructions in the "Olvass.el" file (use Google Translate, Bing Translate, etc.) on a Palm Tungsten T3. After installed correctly, most of the new ...

Replace Hackmaster with TealMaster, the supercharged 100%-compatible system extensions manager. TealMaster adds enhanced stability, configuration and diagnostic features and PalmOS 5.0 hack emulation.

With numerous unique features, TealMaster ...

X-Master 1.4

X-Master manages PalmOS system extensions (aka Hacks)

HackMaster, developed by Edward Keyes in 1997, has been the de-facto standard for managing Palm OS system extensions that patch system traps (so-called ...

YAHM is a utility for managing system hacks, similarly to Hackmaster.

As well as supporting classic hacks on OS 3.1 to OS 4.1, it supports ARM-specific hacks on OS5. Some such OS5-hacks can be found on its ...