Pixabay

Pixabay (also acquired by Canva) is a fiercely pragmatic, deeply entrenched veteran titan that mathematically defines the "Free Multi-Media Utility" market. It doesn't just offer photos; it engineered a highly chaotic, massive database of free vectors, illustrations, and music. It is the absolute weapon of choice for scrappy indie game developers and DIY marketers who mathematically demand to download a free 2D vector graphic, a free sound effect, and a free background image all from one single CC0 portal.