Tunnel enables you to draw cave surveys based on Survex-compatible centreline data. Drawings will be adjusted to fit if the underlying data moves due to loop closures. Original drawings/scans/pockettopo imports can be used as a basis to draw over. Complex multi-layered surveys can be drawn, with flexible facilties for colour-grouping and adding images or background maps. The application can use data stored online and works on all major platforms.

Minicom is a clone of the MS-DOS "Telix" communication program. It emulates ANSI and VT102 terminals, has a dialing directory and auto zmodem download.

PythonCAD is a scriptable (with the Python language) and easy to use drafting program.

This is a GM SoundFont, for use with any modern MIDI synthesiser: hardware (like the emu10k1 sound card), or software (like FluidSynth).

The Free Pascal Compiler is an Object Pascal compiler supporting both Delphi and Turbo Pascal 7.0 dialects, as well as Mac Pascal dialects. It provides a completely portable RunTime Library (RTL) available on many platforms and compatible with Turbo Pascal, along with a platform-independent class-based Free Component Library (FCL) adding many Delphi extensions and interfacing with many popular open source libraries.