HEATKEYS

RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums, blogs, videos and classifieds.

Boat design and boatbuilding projects, plans, concepts, reviews, and resources. Sailboat, multihull, powerboat, and yacht manufacturers and custom builders. Directory of yacht designers and naval architects, gallery of design work, and active boat de...

Boat plans from Science and Mechanics and Boat Builder Handbooks. Plans for Hydroplanes, Sailboats, Inboards, Runabouts, Canoes, Kayaks and many other boats.

Cruisers Forum is an online forum community of cruisers from around the world!

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

Explore how the principles behind open source--collaboration, transparency, and rapid prototyping--are proven catalysts for innovation.

News, market insights, ocean data, interviews, product updates.

The largest amateur Unmanned Aerial Vehicle (UAV) community on the web.

Seriously Amazing, Speed Challenge - Radio Controlled Speed Sailing, setting the world record for R/C sailboats

RC Yacht Tech manufactures fittings, plugs and moulds for RC- yachts and other RC- equipments.

Open Source Underwater Robots for Exploration and Education.