There are 2 repositories under psion topic.
An Psion to USB keyboard controller
Arduino and Python code to transfer Psion Organiser II pack images between a PC and a datapak/rampak via an Arduino
Tool to manipulate FEFS volumes (Psion Solid State Disk images). Currently only extracts files from FEFS images. (Formerly siboimg.)
RISC OS filing system that provides access to SIBO and EPOC computers via the Psion Link Protocol (PLP)
An exploratory tool developed for investigation into Psion's 16 bit SIBO architecture and EPOC16 operating system. Designed to work on the Psion Series 3a/c/mx, Siena, Workabout 1, Workabout mx, Acorn Pocket Book II and Xemplar Pocket Book III.
Recreation of CTRAN.EXE, the Psion OO C preprocessor from the SIBO C SDK.
A VT100 terminal emulator for Psion EPOC16 machines.
A Patience Card Game for the Psion Series 3.
experimental emulator for Psion Series 5mx (Windermere)
Things for Psion PDAs, from the Organiser to the netBook, including EPOC, SIBO, and Organiser abandonware, thing files for replacement parts, and FOSS Psion software.
A tool to show you the ROW and COL of keys on a Psion SIBO/EPOC16 machine.
Repository containing my C++ EPOC32 projects
Setting the system clock in Psion SIBO computers via an attached GPS
Service for Raspberry Pi to update the pimoroni inky pHAT e-ink display with Psion connectivity statuses