Anima App - Design, get feedback, convert to code, publish, iterate.
99designs - The #1 marketplace for graphic design, including logo design, web design and other design contests. Start a contest now with 100% Money-Back Guarantee!
Sketch Repo - Collection of resources for anyone who uses Sketch
RealMatch - RealMatch is an online recruitment company that builds a recruitment advertising network to connect employers with job seekers.
Git Sketch Plugin - Version control for designers
Wirkn - Wirkn makes it simple, easy, and personal for employers and candidates to connect.