The Psionics Files
A project for collating information about programming the Psion Series 3 and 3a which is not in the manuals provided with the machines.

Konstantin Saliy
Software for the S3a, programmers' FAQ and a Russian Psion page (Windows 1251).

Dynasys-Psion Solutions Provider
Accessories for Psion WorkAbout

SeePsion
Read, write directly Psion Base serial 3 with logical synchronization. For PC Windows 95, 98, NT.

Personal Web page for M.C.Wheadon (mcw@ukc.ac.uk)
Patsiena - Patience on your Siena

Phil Spencer
Popular shareware and freeware programs for the Psion 3a, 3c, Siena, Series 5 and Geofox-One machines.

Psion General Utilities
General Utilities for SIBO.

Kylom
Productivity software for Symbian phones.