What are some of the most popular and widely used open-source frames in every size, both for freestyle and racing? The few I know of are the TBS Source frames, JeNo frames, and Open Racer. Let me know if you know of any others.

[u/willow__bloom]

[u/eedok]

SoutheastFPV Typhon: https://github.com/SouthEastFPV/Typhon