EPOC Developers Page
Good starting points for OPL developers, and freeware OPXs.

OPL Miscellany
3lib's hints page for OPL.

OPX List at McAleely.com
A list of OPXs (OPL extensions) for EPOC, Psion and Geofox PDA's.

Twiddlebit Software
EPOC and SIBO (Psion) project planning and advanced OPL development tools (Plan, Plan5, OPP, OPPDBG, GPRINTER.OPX).

EikonWizard for Visual C++ and EPOC
An Eikon GUI creation wizard for VC5++.

Symbian Developer Network: Technical Library
EPOC C++, Java, PC-side connectivity and OPL system documentation: all the docs from the SDKs readable on-line.

Software Development Tools for ARM Architecture
Software Development Tools for the ARM Architecture

AppForge
AppForge and Visual Basic allow to write multi-platform applications that will run on Symbian, Pocket PC, Palm OS, and WinCE devices.

Symbian Developer EXPO 2002
The Symbian Developer Expo 23-24 April 2002, London, UK. Symbian developers can meet, greet, focus and create new products.

GnuPoc
EPOC SDK for GNU/Linux. Works for ER5, Quartz, 9210 and Series 60 SDKs.

Symbian Developer
The people behind the EPOC operating system. Symbian's mission is to set the standard for mobile wireless operating systems and to enable a mass market for Wireless Information Devices.

Appforge Symbian OS
Develop applications for the Symbian OS (Nokia Communicator 9200 series) using Visual Basic and AppForge.

Olaf Flebbe
Perl on EPOC, documentation on the Psion Link Protocol (PLP) and a Psion5 SDK for Linux.

LEA Netbook Olten
Tools and programs for the PSION Netbook running on LEA system. In german.

AppForge
Develop applications for the Symbian Operating System using Visual Basic and AppForge.