There are numerous online resources where you can find free, copyright-free media. This includes images, videos, music, and other forms of digital content. Here's a list of popular platforms and websites where you can access such media:

Images

Unsplash - Offers a large collection of high-quality photos provided by a community of photographers.

Pixabay - Features a wide range of photos, illustrations, vector graphics, and videos.

Pexels - Provides high-quality and completely free stock photos licensed under the Pexels license.

StockSnap.io - A large selection of beautiful free stock photos and high-resolution images.

Burst by Shopify - Offers free stock photos for entrepreneurs. Some photos are licensed under Creative Commons CC0 while others fall under Shopify’s own photo license.

Videos

Pixabay Video - In addition to images, Pixabay also offers free stock video footage.

Pexels Video - Provides a range of stock videos similar to its photography collection, all under the same license.

Videezy - Free HD stock footage and 4K videos, available under different licensing terms.

Coverr - Offers beautiful free stock video footage for use in various projects.

Music and Sound Effects

Free Music Archive - An interactive library of high-quality, legal audio downloads directed by WFMU.

Incompetech - A large collection of royalty-free music tracks created by Kevin MacLeod under Creative Commons.

Bensound - Offers a variety of music tracks for free provided they are credited.

Purple Planet Music - All the music is free to use as long as credit is provided.

SoundBible - Offers free sound clips, sound bites, and sound effects licensed under Creative Commons.

Icons and Graphics

Flaticon - Offers a massive database of free icons.

Iconfinder - Provides both free and premium icons for various applications.

SVG Silh - Features a wide range of SVG images that are free to use under Creative Commons CC0.

Fonts

Google Fonts - A wide range of fonts available for free.

Font Squirrel - Handpicked free fonts for commercial use.

DaFont - Offers a variety of fonts; you need to check if they are available for commercial use.

These resources often operate under licenses such as Creative Commons (CC0) which do not require attribution, or they may require attribution depending on the specific item's license. Always check the licensing details for each resource before using it in your projects to ensure compliance with the licensing terms.