HEATKEYS

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

Easy-to-use aeordynamics software for designing airfoils, wings, hydrofoils, aircraft, UAVs and race cars.

The NATO Research and Technology Organisation (formerly AGARD) promotes and conducts co-operative scientific research and exchange of technical information amongst 26 NATO nations and 38 NATO partners.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

OpenPilot is a next generation Free Software autopilot for small UAVs. OpenPilot offers easy of use, powerful hardware and first class software architecture.

IEEE Xplore. Delivering full text access to the world

MIT is devoted to the advancement of knowledge and education of students in areas that contribute to or prosper in an environment of science and technology.