Logo - Clean, simple, hassle-free logo design
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Logo Dust - Free logo designs for your projects, added every week
Sketch - Professional digital design for Mac.
Logo Foundry - Logo Foundry is a professional Logo Design Suite App for Android and iOS that let's you create professional branding for your business in Minutes.
Invision - Prototyping and collaboration for design teams