Fluid Dynamics Search Engine
An easy-to-install search engine for local and remote sites. Returns fast, accurate results from a template-driven architecture. Freeware and shareware versions available, with Perl source code included.
www.xav.com/scripts/search/   reviews

Knowledge Revolution
www.krev.com/   reviews

CrystalMaker Software: crystal structure visualization
CrystalMaker real-time photo-realistic molecular & crystal structure visualization. CrystalDiffract x-ray powder diffraction software.
www.crystalmaker.co.uk/   reviews

Relativistic Flight Simulation Links
Links to free relativistic flight simulation software; shows what travel would be like at near the speed of light.
ourworld.compuserve.com/homepages/anima/rfslink.htm   reviews

Pulsar Physics and the General Particle Tracer (GPT) code
Pulsar Physics is specialized in developing scientific simulation software. Our main product, the particle tracer GPT, is currently in use worldwide for electron accelerator and beamline design.
www.pulsar.nl/   reviews

TOAST
Software for solving the forward and inverse problems in optical tomography.
www.ucl.ac.uk/MedPhys/toast/index.htm   reviews