Compiler for Pascal and Object Pascal, runs on many platforms: Amiga, DOS, Linux, OS/2, Win32. Compatible with Turbo Pascal, supports advanced features such as function overloading. IDE available. [Open Source, modified LGPL]

The class libraries and development environment for Free Pascal that emulate Delphi.

A full-featured integrated development environment (IDE), which is able to create Windows or console-based Pascal programs using the Free Pascal compiler.

Official FreePascal GTK+ translation

An open-source Pascal Compiler project in hopes to establish a freeware Pascal compiler for the Macintosh platform.

List of websites related to Free Pascal compiler and programming.