Pasdoc
- A documentation generator for Pascal code, with support for Object Pascal. Creates HTML, LaTeX, and PDF docs from comments in the source code [freeware, GPL].
- http://pasdoc.sipsolutions.net/

Turbo Pascal Lex/Yacc
- a compiler generator for Turbo Pascal and compatibles. The package contains two programs, TP Lex and Yacc, which are approximately compatible with the UNIX utilities Lex and Yacc, but are written in and produce code for the Turbo Pascal programming la
- http://www.musikwissenschaft.uni-mainz.de/~ag/tply/

Graphics Vision
- Pixel-oriented graphical reimplementation of Borland's Turbo Vision, targeted for the Free Pascal Compiler.
- http://www.math.uni-magdeburg.de/~mkoeppe/gvfpk/gvfpk.html

MKM Software
- Add-on packages extending the graphics and font capabilities of Turbo Pascal and Free Pascal. Contains links to Graphics Vision, an open source project. Other products are mostly shareware and come with object code only.
- http://www.math.uni-magdeburg.de/~mkoeppe/mkm/mkmeng.html

Pascal Graphical Environment
- PGE is a form of graphical Pascal. It is easy to use and it is modular so that controls can be added easily. PGE compiles under Turbo Pascal 7. [Open source]
- http://pge.sourceforge.net/