Database components for Delphi, FreePascal/Lazarus, Kylix, C++ Builder
Math library for Free Pascal and Lazarus.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Game library for Pascal
Image library for Object Pascal.
A suite of RPN calculators and a class library for Object Pascal
Scripting engine for Pascal compilers.
ALFOUR Programming language. Simple, safe, power, multi-platform.
Library designed for the Arduino Uno platform and AVRPascal editor
Useful methods for Free Pascal and Lazarus (some are TP)
Coroutines for Delphi and Free Pascal
Various libraries for Freepascal, Lazarus, PHP and .NET
Units to help dealing with IFF files in Pascal.
A Python program/library aimed at GD-ROM image files.
Using MuPDF library in FreePascal/Lazarus
The best library to work with .Net Assemblies in Delphi.
Fully virtual ListView for Delphi/Lazarus
The best library to work with .Net Assemblies in Pascal.
biOP [bio~ObjectPascal/bio~Delphi] bioinformatics libraries
Open source set of instrumentation controls.
Library for reading files created by HEKA Pulse and Patch-master.
Comprehensive library of .Net UI Controls and components for Delphi.
Most comprehensive Library of .Net components for Delphi.