Over the course of 4 years I've created over 40,000 game assets (2D sprites, 3D models, fonts, audio, and more) which are all public domain licensed. This means that anyone, anywhere can use it for any sort of project.
This has helped hundreds of developers create their first game, finish their education, teach others, or create a prototype for their next big game project. All of the assets work perfectly in conjunction with Unity.
Donations are vital to the creation and publication of game assets under a public domain license, a lot of developers have donated in the past. If you really like the assets, find use out of them, or simply want to support me; consider a donation, no matter how big or small!