Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
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.
YouiDraw - Draw and Design Vector Graphics, Logo, Text, icon in the Cloud.
Brandfolder - One link to all your marketing assets. Brandfolder is your convenient source to visually organize, quickly find and easily share all your final brand assets.
Sketch - Professional digital design for Mac.
Brandpad - Host your brand guidelines and assets in the cloud