Public Knowledge movement
OpenLibra
Open Textbook Library
Libre Texts
Library Freedom Project
Question Copyright movement
Library Futures
Internet Archive
Libre Arts
Libre.fm
Unsigned Band Web
FilmMusic
Liberated Pixel Cup
Open Source Game Clones
Open Library
Intechopen
Librivox
Project Gutenberg
Biblioteca do Comum
Movies/Series/Documentaries
Prelinger Archive
Libreflix
Pixabay
Pexels
HeroPatterns
Zondicons
FreeSound
Snapmuse
Unsplash
Free Music Archive
Freepd
Mutopia Project
Codeberg
Savannah