Offering weekend workshops designed to prepare you for building your own airplane.

A group of homebuilt rotorcraft enthusiasts that get together to exchange ideas, information, and help.

Online community for Pilots and builders of Van's RV kitplanes. Includes forums, news, and resources.

Rand Robinson Engineering KR aircraft mailinglist for KR1, KR2, and KR2S experimental aircraft builders and pilots.

A builder assistance center providing expert technical assistance to builders of custom and experimental aircraft.

Forum for homebuilt kit and plans built experimental aircraft pilots and homebuilders, monitored by aviation experts.

Discussion forum dedicated to homebuilt aircraft and the techniques for building and flying them.

Assists builders of GlaStar and other kits in the assembly of their airplanes. Details of services, build instructions and catalog of products for sale.

Professional aircraft building and builder assist services. Builds both full size and kit planes. Details of projects, resources and kit planes.

Accompanies a Discovery Channel series in which the presenter learns to fly and builds a Europa kit plane.