Photo with CC license
- flickr.com/search/?text=portrait&view_all=1&license=2%2C3%2C4%2C5%2C6%2C9
- pexels.com/search/portrait/ — free photos and videos.
- pxhere.com/ru/tag/633
- rawpixel.com/
- freepik.com
- pixnio.com/popular-public-domain-galleries
- www.needpix.com/search/headshot
- pixabay.com/photos/search/portrait/
- pngegg.com — PNG images without background. Drawings and photos.
- pickpik.com/tag — free photos sorted with AI.
Music for free
- pixabay.com/music/
- ccmixter.org and http://dig.ccmixter.org
- youtube.com/@freemusicfactorydownloadan3190 or facebook.com/FreeMusicFactory/
Sound effects
- pixabay.com/sound-effects/
- zvukipro.com Interface in Russian
3D models