NASA

EngineSim
FreeExplore EngineSim: NASA's Educational Simulation Tool
Windows
G.Projector
FreeNASA G.Projector: Professional Map Projection and Transformation Tool
Windows
TunnelSim
FreeNASA's TunnelSim: Simple Wind Tunnel Design Tool
Windows
RocketModeler 3
FreeNASA's RocketModeler 3: Simulate Design and Flight
Windows
Wright-01
FreeSimulate Historic Wright Brothers Wind Tunnel Tests
Windows
Panoply for Linux
FreeComprehensive Overview of Panoply for Linux
LinuxKiteModeler
FreeKiteModeller: Design, Trim, and Simulate Kite Flight
WindowsAtmosphere Applet
FreeNASA WorldWind: Explore Earth and Mars Atmospheres
WindowsSound Wave Simulator
FreeExplore Sound Waves with NASA's Simulator
Windows
GLOBE Data Entry
FreeEducational Tool for Environmental Data Collection
iOS
World Wind
FreeVisit virtually any place in the world.
Windows
Isentropic Flow Calculator
FreeNASA Tool Solves Complex Isentropic Flow Equations
Windows
NASA HIAD
FreeExplore Space with NASA HIAD App
iOSSOHO Screensaver
FreeExplore Space with the SOHO Screensaver
Mac
Rocket Science 101
FreeExplore Space with Rocket Science 101
iOS
FoilSim 3
FreeNASA FoilSim 3: Visualize Airflow and Lift
Windows
NASA TLX
FreeStreamline Your Workload with NASA TLX
iOS
TunnelSys
FreeNASA's TunnelSys: Powerful Wind Tunnel Simulation Tool
WindowsThe GasLab
FreeNASA's GasLab Visualizes Ideal Gas Law Dynamics
Windows