Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Looka - Make a logo you’ll love with Looka Logo Maker.
GIMP - GIMP is a multiplatform photo manipulation tool.
Logo Dust - Free logo designs for your projects, added every week
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
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.