78 RPM Digitized Records over 25,000 classic 78RPM and cylinder recordings from the George Blood archival project, including classics from many genres available for research, study and private use.

Community Audio Internet Archive Past and contemporary audio clips from the Internet Archiev. Extensive filters to browse and help you find what you need.

CC Mixter Find and download music for media projects such as films. Licencing information.

FMA Free Music Archive  free to download music. Check individual licences for permitted use. Licencing information.

Freesound is a collaborative database of Creative Commons Licensed sounds. Browse, download and share sound.

NASA SoundCloud  a collection  of authentic original audio from recent and historic space missions historic spaceflights. You can hear the roar of a space shuttle launch or Neil Armstrong's "One small step for (a) man, one giant leap for mankind"

Moving Image

British Council: The British Council Film Collection is an archive of over 120, short documentary films made by the British Council during the 1940s designed to show the world how Britain lived. Download Copyright free.

Home Movies Bot a curated  Twitter account that showcases  preview  gif links to Home Movies from the Prelinger Archives.

Florida Memory Historical films covering the social and political life of Florida including Civil Rights, Culture, environment and tourism.

Mazwai:  HD video clips &  stock footage including slow motion and other special effects. Creative Commons CC BY Licence.

Moving Image Archive on the Internet Archive. A vast collection of over a million contemporary 
and historic films and videos including, news, documentary, lifestyle, music, animations and ephemera.

Open Images from the Netherlands is an open media platform that offers online access to audiovisual archive material from across Europe to stimulate creative reuse, over 10,500 films in the Public Domain are now available to download.

Videvo Stock video footage site that offers short high quality video clips under Creative Commons licences or Videvo’s own Attribution Licence - info here. The clips are ideal for including in other video projects.

Vimeo Creative Commons  Over 7.8 million, mainly contemporary, films and videos available for reuse - covering the full spectrum of Creative Commons and Public Domain licences.

The OER Project is a family of free, online history courses for middle and high school classrooms everywhere. Students relive the past, rethink the present, and reimagine the future. The UK World History includes The Industrial Revolution, MaCartney Expedition, Victorian nail-makers, FWW, Medieval Guilds, and more! All *free* for you to use as you wish! Creative Commons CC BY licence.

ZDF the German Television Channel has released 50  Creative Commons Licenced science focussed video’s from it’s Terra X platform. In German.

3D Modelling

Sketchfab an extensive collection of high quality downloadable 3D models available under various Creative Commons licences. 

Share3D Storymaker Create educational 3D stories and resources from Downloadable Sketchfab and Europeana resources

The Smithsonian has over 2300 models digitized from their collections available for download under a CC0 Open Access licence

Checkout …. Ideas for using Open Media