Free, Open Source Object Persistence Framework for
Free Pascal & Delphi

About the tiOPF

The tiOPF is an Open Source framework for Delphi & Free Pascal that simplifies the mapping of an object oriented business model into a relational database. The framework is mature and robust having been in use on production sites since 1999. It is free, open source, and available for immediate download with full source code.


For a birds eye summary of the tiOPF, read the overview document.


Download source code installer from Sourceforge

tiOPF Source code repository

Daily build history


News group for support


Installing the tiOPF

An overview of the tiOPF

tiOPF Quick Start

tiOPF Concepts manual

Building a user interface with tiOPF

* New Persisting objects and their relationships with tiOPF

More information

Applications built with the tiOPF

tiOPF vs InstantObjects


Code submission guidelines

Things we love and things we hate about tiOPF

Frequently Asked Questions (FAQ)

tiOPF Licence (Mozilla Public Licence Version 1.1)

Build tools used by the tiOPF project

Other downloads you may require