QRMC: Quiet Revolution Motor Company, L.L.C. - Dedicated to advancing Stirling engine technology in aircraft and other commercial uses.

Dustin Symanski Stirling Site - Stirling engine enthusiast's site with explanations, projects (a working wood burning Stirling), pictures, links.

Tamin Enterprises - Developing a series of Stirling engines of up to 15 kW (20 hp) output for light commercial and household use. Also useful Stirling links.

MIT course: Mechanical Engineering Tools - Focus: using Stirlings in education.

AirSport Corporation: Stirling Engine - Aircraft powerplant of the future: power rises with altitude, no airport noise problems/restrictions.

Idaho Stirling Engine (ISE) Team - Focus: using Stirlings in education. Good animation.

Submarine: Swedish Armed Forces: Navy: Gotland class submarines - Use Stirling engines for doubled range/endurance, and silent running.

Stirling Technology, Inc. - Makes and sells ST-5 Stirling engines, and RecoupAerator, energy recovery ventilators that cut heating/cooling costs.

Submarine: Naval Technology: Stirling AIP System - Cutaway of Stirling powered, Gotland class submarine, by Kockums, Sweden.

American Stirling Co. - Transparent model Stirling engines, Stirling fans, hand heated Stirling engines, and 'full power' Stirling engine consulting.

Stirling Engine and Hot Air Engines - Site for collectors of hot air engines, model engineers who build hot air engines, and Stirling cycle engine enthusiasts.

The Stirling Outlet: A Stirling Engine Mecca - Dedicated to the wonderful and fascinating world of Stirling engines. Our main goal: to share this world with you, by offering you the opportunity to build actual working model Stirling engines.

Los Alamos National Lab: Acoustic Stirling Heat Engine - Links to animation, PowerPoint slide.

Los Alamos National Lab: Acoustic Stirling Heat Engine - New heat engine efficiently converts heat to intense acoustic power in a simple device made of only pipes and conventional heat exchangers; no moving parts.

mechanical engineering: Stirling renewal - Refrigerators and generators that use an alternative thermodynamic cycle are a green engineering hotbed.

Sunpower, Inc. - Dedicated to the design and development of stirling engines, stirling coolers, free-piston compressors and linear compressors.

The Little Engine Pages - Focus: model building, pictures.

Bailey Craftsman Supply - Stirling books, videos, kits; and some benchtop machine tools.

Stirling Engine Animation - by Maurice Al-Khaliedy. Slow, simple animation of Stirling cycle Pressure-Volume diagram. Makes Stirling thermodynamics very clear and easy to follow and understand.

WebRing: Stirling and Hot Air Engine - Growing ring, mostly model builders.

Stirling Hot Air Engine - Introduces low pollution environment friendly Stirling engine. Also links to engine history, inquiries, and other related sites.

Whisper Tech Ltd - Privately owned, New Zealand research and development company. Focus: Stirling engine development. Preparing to sell home-scale generators: Micro Combined Heat and Power: MCHP.

A Compendium of Solar Dish/Stirling Technology - Issued by Sandia National Laboratories. Comprehensive.

Submarine: Stirling engine for the fish robot - How best to power underwater vehicles, more so small ones? For some uses, Stirlings may be very useful.

Study Group Stirling-Engines - Develops and produces Stirling engines. Goal: In spite of knowing of Stirling engines for a long time, they have not been used to produce energy; 'Our aim is to change this situation.'

NASA: Goddard: Space Sensors and Instrument Technology - Developing a 2-stage linear Stirling cycle cryocooler to cool instruments, such as sensors, used in spacecraft.

HowStuffWorks: How Stirling Engines Work - Describes the Stirling cycle, with several animations, shows how two different engine configurations work. Links to speculations on Dean Kamen IT/Ginger device.