Casuarina Aquatics, Inc.
   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.
   http://www.casuarina-aquatics.com

Dive Table Formats
   Offers 9 different dive table formats in both metric and imperial.
   http://www.flash.net/~table/table/index.htm

DiveLogOnline
   Free online scuba dive log book for divers.
   http://www.divelogonline.com

Gas Absorption Program
   GAP is a free downloadable decompression program that utilizes unpadded bulhmann's decompression algorithm for mixed gas decompression.
   http://www.gap-software.com/

Global Underwater Explorers
   Equipment utilizing gradient factor calculations, allowing safety factors and deep stops to be customized across multiple diving profiles for mixed gas diving.
   http://www.gue.com/

Immersions
   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.
   http://www.immersions.com

Internet Dive Log
   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.
   http://www.immersions.com/idl

ReefNet Software
   Software for divers and fish watchers and dive logs.
   http://reefnet.ca/

Sea Wolff Diving Software
   Dive Log for Windows. Useful software with versions for divers, instructors, SAR Teams, and Divemasters.
   http://www.seawolff.com

Technical & Recreational Divers Support
   Technical and recreational custom air, nitrox and mixed gas decompression software.
   http://www.diverssupport.com

Travel Diver
   Free online divelog for those that register. Includes features, message board, and classifieds.
   http://www.traveldiver.com

V-Planner
   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.
   http://www.v-planner.com/

Voyager Desktop Decompression System
   Full featured decompression planning software allows you to plan and execute dives more intelligently, safely, and efficiently. Complete table generation and bailout schedules for all gas mixtures and depths. Suited to all levels of expertise. Available f
   http://www.divevoyager.com