RISC OS filing system that provides access to SIBO and EPOC computers via the Psion Link Protocol (PLP)

Tool to manipulate FEFS volumes (Psion Solid State Disk images). Currently only extracts files from FEFS images. (Formerly siboimg.)

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.

A VT100 terminal emulator for Psion EPOC16 machines.

Psion MC400 ROM image & software repository plus some hardware (ROM chips & keyboard) details

Spoof voice-calling APP originally written in 1996 for the Psion Series 3a

A Patience Card Game for the Psion Series 3.

A tool to show you the ROW and COL of keys on a Psion SIBO/EPOC16 machine.

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.

SIBO/EPOC Compiled OPL interpreter written in Python

Some Pi scripts and Psion OPL to link the Psion MC400 to the internet via an attached Raspberry Pi

A New Psion EPOC16 Word Processor

MF dialling for the Psion MC400 - written in 1995

Service for Raspberry Pi to update the pimoroni inky pHAT e-ink display with Psion connectivity statuses