DIYGasTurbines Community of home-based gas turbine builders. Includes chat, database and photos.
Garret AiResearch ATF3 Online Museum Retrace the history of a unique, three spool gas turbine aircraft propulsion engine. Includes technical information, bulletin board and links.
How Gas Turbine Engines Work Explains the basics of jet gas turbine engines. Includes background information, images and useful animations. [HowStuffWorks]
Jet Engine Design Software Free software to aid the engineers in designing and building turbocharger based gas turbine engine. Includes version history and downloads.
The Junkyard Turbojet Engine Information on designing and building an experimental, homebuilt turbojet engine from junkyard parts. Includes how-to, news, FAQ, links and references.
Wikipedia - Gas Turbine Free encyclopedia article covers gas turbine technology and applications. Addresses technical and theoretical background, thermodynamic aspects and research.
