Sketch - Professional digital design 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.
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.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Logology - Get a designer-quality logo for your startup in 5 minutes.