Recife

BlackHole 2
A tried-and-tested bin and undelete system.
www.geocities.com/

Stone Design
Provides productivity applications and software engineering for Mac OS X and related systems.
www.stone.com/

Labcenter Electronics
Authors of Proteus schematic, simulation and PCB design software [requires Java].
www.labcenter.co.uk/

Formation Design Systems
Developers of CAD software for naval architecture and structural engineering and industrial design. Maxsurf is one of the most powerful tools available, for the design of small or very large projects.
www.formsys.com/

Vacanti Yacht Design
The program PROLINES has been used to design everything from model sailboats to tugboats. The keel and rudder design software has been used extensively on winning racing yachts world wide.
www.vacantisw.com/

Software Information
Basic introductory information regarding the development of software. Seems to be targeted towards novices.
www.softinfo.20m.com/

Architectural Lighting Design Software - Rayfront
Radiance based lighting design and architectural visualisation software. Comprehensive lighting design glossary.
www.schorsch.com/

LightCalc Lighting Design Software
Lighting calculation software for Windows and Macintosh. Allows to determine lamp selection and fixture spacing for general, task, and art lighting.
www.lightcalc.com/

Dr. Dobb's Journal: Design Patterns
An online publication for the professional programmer devoted to the coverage of languages, platforms, and tools.
www.ddj.com/

Aerodynamics Software for Sailboat Appendages
SailingAerodynamics, a software package for computing the lift and drag acting on keels, rudders and fins. 3-D aerodynamics design and analysis software also analyzes airfoils.
www.hanleyinnovations.com/