Below is a list of websites offering free video clips and soundtracks. You can download them and upload to your preferred hosting or​ Jukehost (free) so you can finally use them for your Slidezign projects.

Free Videos and clips
- https://www.pexels.com/videos/
- https://pixabay.com/videos/

Free soundtracks
- https://www.bensound.com/
- http://dig.ccmixter.org/
- https://www.royaltyfreemusiccl...
- https://cctrax.com/
- https://www.freesoundtrackmusi...
- https://mobygratis.com/
- https://www.newgrounds.com/aud...
- https://www.pacdv.com/sounds/f...
- https://archive.org/details/au...
- https://musopen.org/
- https://freemusicarchive.org/
- https://audionautix.com/
- https://www.pastemagazine.com/...
- https://www.purple-planet.com/
- https://www.freesfx.co.uk/

Paid Solutions
- https://audiojungle.net/
- https://videohive.net/