Palm OS
- https://freeware.palmclub.nl/ (Dutch site)
- https://palmdb.net/#
- https://palmarchive.com/files/
- https://download.unirc.eu/PalmOS/
- https://hpc.ru/pda/soft/index.phtml?pl167=on (in Russian)
- https://www.oldhandhelds.com/?dir=Palm Os
- https://www.mobyware.org/palm-os-software-download-all-1-date.html
Great games on my Palm Tungsten:
- Bejeweled 2
- Bike or Die!
- Fish/Plant/Lemonade Tycoon
- Village Sim
- Jack BBQ
- SimCity
- Poket Civ
- Little John Palm / Phoinix
- Mazera
- Monopoly
- Monsta
- Spy Hunter
- Zuma
- BeBop
- The Prison
- Space Trader
- Strategic Commander
- Warfare Incorporated
Psion EPOC
- https://www.neuon.com/software.htm (great Neuon apps with official serial)
- https://www.mypsion.ru/software.php (in Russian, but with screenshot for each app)
- https://psion.wz.cz/index.php?pg=programy (in Czech)
- https://tobidog.com/programs.htm
- https://www.bioeddie.co.uk/Psion/main/Programs/epoc-utilities.html
I installed Empire (similar to Monopoly) and Chess on my 5MX Pro.