Finsterwalder GmbH is a German aircraft manufacturer specializing in hang gliders, paragliders and related accessories.

[1] Most of the company's hang glider designs are intended to be folded down to a small size for man-packing up mountains.

Charly Products is located in Seeg and produces paragliders, harnesses and rescue systems.

[2] The company was formed in 1974 by Thomas Finsterwalder as a kayak design and production enterprise.

The first hang glider designed and produced was the Finsterwalder Bergfex (English: Mountain Freak), which weighed 11 kg (24 lb) and could be broken down in 8 minutes to a package 1.80 m (5.9 ft) long for ground transport.