Direct Video & B-Roll Platforms (No Attribution Required):
SplitShire
Pexels Video
Pixabay Video
Mixkit
Coverr
Dareful
Mazwai
Vidsplay
Life of Vids
Videvo (Free Filter)
Gratisography
Clipstill
Free Nature Stock
Videezy (Filter for “Standard” or “Creative Commons 0”)
Beachfront B-Roll
Vecteezy (Free Filter)
Monzoom (Free Section)
Ignite Motion
Canva (Free Video Library)
Flickr The Commons (Video Filter)

Global Technical & Government Assets (Public Domain):
DVIDS
NASA Media Archive
JPL Visions of the Future
Human Studies Film Archive (Smithsonian)
National Park Service (NPS) B-Roll
U.S. Fish and Wildlife Service (FWS) Video Archive
National Oceanic and Atmospheric Administration (NOAA) Library
United States Geological Survey (USGS) Multimedia

Historical & Open-Source (Copyright-Free/Expired):
Moving Image Archive (The Internet Archive)
The Internet Archive (Prelinger Archive)
Public Domain Day 2026 (The Class of 1930)
PublicDomainFootage
Pond5 (Public Domain Project)
Hypha Archive
Wikimedia Commons
National Screen Room (LOC)
British Pathé (Public Domain Collection)