Looka - Make a logo you’ll love with Looka Logo Maker.
Bynder - Bynder is a cloud-based digital asset management solution for marketing professionals looking to simplify how they manage digital content via one central portal.
Logo Dust - Free logo designs for your projects, added every week
Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp
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.
Frontify Style Guide - Create beautiful web-based brand manuals in minutes