Images, Illustrations & Icons
- unDraw - open-source illustrations, free to use without attribution (license)
- Unsplash - high-resolution photography, free to use without attribution (license)
- Freepik - large library of vectors, photos, and icons; many free with attribution — check the license per asset
- Flaticon - extensive icon library; many free with attribution — check the license per asset
Audio
- YouTube Audio Library - royalty-free music and sound effects; accessed within YouTube Studio — check the license per track