License
reelcn's code is MIT. Remotion, which it renders with, has its own license.
reelcn
Every file in the registry — everything under src/reelcn/ once you install it — is MIT licensed. Copy it, change it, ship it.
Remotion
reelcn builds on Remotion, which has its own license. Individuals, non-profits and companies of up to 3 people use it free; larger companies need a Remotion company license.
Fonts
Theme fonts (Inter, Instrument Serif, Space Grotesk, JetBrains Mono, Bricolage Grotesque) load from Google Fonts under the SIL Open Font License, at render time. Nothing is redistributed by reelcn.