Keyring lets you securely store digital secret keys on your Palm handheld computer. This information might include computer account passwords, credit card or banking numbers, GnuPG passphrases, or OPIE pads. (Previously "GNU Keyring for PalmOS".)
I've been using it since 2004 and it never let me down.
using since 2004. Totally great, especially with the password generation facility. Only place for improvement: the offline utility (I last checked/downloaded it in maybe 2008 or 2009) crashes when I (build and) run it in cygwin. Also, it extracts the Palm DB output to stdout or stderr, but -- perhaps due to the crash -- I can't pipe stdout or stderr into a file. I have to manually select/copy/paste the output into an editor.