CC Search is a tool that allows openly licensed and public domain works to be discovered and used by everyone. Creative Commons, the nonprofit behind CC Search, is the maker of the CC licenses, used over 1.4 billion times to help creators share knowledge and creativity online.
The Health Education Assets Library (HEAL) is a digital library of multimedia teaching resources for the health sciences. HEAL provides access to several thousand, videoclips, animations, presentations, and audio files that support healthcare education.
Pixabay is a searchable site sharing copyright free images and videos. All contents are released under the Pixabay License, which makes them safe to use without asking for permission or giving credit to the artist - even for commercial purposes.