| A Plane is Born: Accompanies a Discovery Channel series in which the presenter learns to fly and builds a Europa kit plane. |
| AirCrafters LLC: A builder assistance center providing expert technical assistance to builders of custom and experimental aircraft. |
| Airlink Tech: Assists builders of GlaStar and other kits in the assembly of their airplanes. Details of services, build instructions and catalog of products for sale. |
| EAA SportAir Workshops: Offering weekend workshops designed to prepare you for building your own airplane. |
| Homebuilt Homepage: An index and reference on homebuilt aircraft, and other areas of Sport Aviation. |
| HomeBuiltAirplanes.Com: Discussion forum dedicated to homebuilt aircraft and the techniques for building and flying them. |
| Innovative Wings: Professional aircraft building and builder assist services. Builds both full size and kit planes. Details of projects, resources and kit planes. |
| KRnet Internet List: Rand Robinson Engineering KR aircraft mailinglist for KR1, KR2, and KR2S experimental aircraft builders and pilots. |
| Popular Rotorcraft Association: A group of homebuilt rotorcraft enthusiasts that get together to exchange ideas, information, and help. |
| Spacewalker.org: Articles and pictures about open-cockpit aircraft building and flying |
| Sport Aircraft and General Aviation Directory: Resource for enthusiasts. Links and descriptions for manufacturers, associations, builder sites and publications. |
| Top Flight Services: Offering help to the builder of homebuilt aircraft with everything from prep to paint, including airframes and engines. |
| Van's Air Force: Online community for Pilots and builders of Van's RV kitplanes. Includes forums, news, and resources. |
| Wings Forum: Forum for homebuilt kit and plans built experimental aircraft pilots and homebuilders, monitored by aviation experts. |