Voynetch - Share your visual notes and graphic recordings.
Looka - Make a logo you’ll love with Looka Logo Maker.
Ziteboard - Ziteboard is an zoomable online whiteboard that lets team to collaborate in real-time.
Logo Dust - Free logo designs for your projects, added every week
AuthorBee - Organize Twitter around your interests
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.