Looka - Make a logo you’ll love with Looka Logo Maker.
Spine - Spine is 2D animation software designed specifically for software and game development.
Logo Dust - Free logo designs for your projects, added every week
Synfig Studio - Just another WordPress site
Canva Logo Maker - Create your own custom logos without having to hire a designer with Canva's impressively easy to use logo maker. Completely free, completely online.
Unity 2D - Unity 2D is a powerful and feature-rich game design solution built from the ground up to fulfill every basic and advanced need of the developer.