This post contains free audio and video resources:

BINUMI

https://www.binumi.com/

Make amazing videos in minutes. Choose from millions of royalty-free footage and audio clips.

CCMIXTER

http://ccmixter.org/

ccMixter.org is a diverse, international music community. We collaborate and create music that is free for others to use in their videos, remixes, games, and apps — down to the individual instrument components. We use Creative Commons licenses (not copyright lockdown!) so you can interact with our music.

COVERR

http://www.coverr.co/

Beautiful, free videos for your homepage.

DAREFUL

https://dareful.com

Download Free Stock Video Footage in 4K & HD.

FOV GUIDE.COM

EDUCATION

http://www.ovguide.com/education

On OVGuide.com, users can search and discover free high-quality videos on the Web. The site offers an easy way to watch videos across all categories including Education.

HISTORY

http://www.history.com/

History.com Topics are text articles which can also feature related video and audio clips, interactives, and photo galleries for a rich experience related to the selected “topic.” History.com uses multiple sources for its topical content. Users are advised to check the bottom of the article for the source.

LECTORA

https://hub.elearningbrothers.com/authoring-suite-lectora-trial

Author eLearning to conquer business challenges. Build it once and blast it everywhere. 30 days free trial.

LIFE OF VIDS

http://www.lifeofvids.com/

Free videos, clips & loops, no copyrights restrictions (personal & commercial).

MAZWAI

https://mazwai.com/stock-video-footage

Free video clips.

MIXKIT

https://mixkit.co

Free assets for your next video project.

PEXELS VIDEOS

https://www.pexels.com/es-es/videos/

Los mejores vídeos de stock gratis compartidos por la comunidad de Pexels.

SOUNDCLOUD

https://soundcloud.com/

SoundCloud is the world’s leading social sound platform where anyone can create sounds and share them everywhere.

Recording and uploading sounds to SoundCloud lets people easily share them privately with their friends or publicly to blogs, sites and social networks.

SPACE WEATHER

THE MSFC ONLINE METEOR RADAR

https://www.spaceweather.com/glossary/nasameteorradar.html

Choose one of these links to listen to NASA’s forward scatter meteor radar system at the Marshall Space Flight Center (MSFC) in Huntsville, AL.

STOCK FOOTAGE FOR FREE

https://www.stockfootageforfree.com/

We’re your headquarters for professional quality stock footage and video. Our footage comes with a royalty-free license allowing you to use it in all types of productions for worldwide distribution, forever. The greatest part, there are never any fees!

VIDEVO

https://www.videvo.net/stock-video-footage/video/sort/random/

Videvo offers free stock videos and motion graphics for use in any project. You may use these video clips free of charge, in both personal and commercial productions. Video clips that carry the Creative Commons 3.0 license must be attributed the original author.