I can also recommend https://game-icons.net https://game-icons.net. As the name suggests, it mostly focuses on icons for games, but I find a lot of them are als

I can also recommend https://game-icons.net https://game-icons.net. As the name suggests, it mostly focuses on icons for games, but I find a lot of them are also usefull for other purposes. Most importantly they have a consistent style, so your stuff looks less like you've thrown-together art from 19 different sources.