Commons:Free media resources/Free content search engines
- Creative Commons Search - Official search of Creative Commons work.
- Google Advanced Search (Usage Rights) Searches works under Creative Commons licenses.
- http://opensourcegis.org/ - an index of open source/free GIS-related software. Licenses such as GPL and LGPL are allowed here.
- Flickr: Creative Commons - Click the "see more" links for each license. Then search further within images with that particular license.
- Flickr: Advanced Search - See the Creative Commons search options at the bottom.
- Ipernity CC BY(-SA) search - Search for freely licensed photos on Ipernity
- With OpenAlex you can search for free media in studies (for example many studies in Nature journals are CC BY but nature.com does not have a search filter for them)