Software for planning technical scuba dives and for training divers in the physics and physiology of diving. Also provide scuba instruction and dive travel for training and recreation.

Plans for homemade interfaces for Mares dive computer, free software, and links.

Offers 9 different dive table formats in both metric and imperial.

Free online scuba dive log book for divers.

GAP is a free downloadable decompression program that utilizes unpadded bulhmann's decompression algorithm for mixed gas decompression.

Equipment utilizing gradient factor calculations, allowing safety factors and deep stops to be customized across multiple diving profiles for mixed gas diving.

Internet Dive Log is a web-enabled scuba diving application. Free demo download available and allows up to 20 dives to be recorded. Also offers video production and travel services.

IDL is a complete scuba diving application, tracking all aspects of diving, and works with all major brands of dive computers. Still Beta testing and free.

Software for divers and fish watchers and dive logs.

Dive Log for Windows. Useful software with versions for divers, instructors, SAR Teams, and Divemasters.

Technical and recreational custom air, nitrox and mixed gas decompression software.

Free online divelog for those that register. Includes features, message board, and classifieds.

Decompression software which uses a VPM bubble model with deep stops inbuilt. Can set conservatism levels, create lost gas and bail out plans, extended stops, and air breaks.