Savahapp - The all-in-one design sharing, collaboration, workflow and app prototyping platform
Asset Bank - None
Conceptzilla - Get competitive design for a fraction of the industry cost
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.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
ResourceSpace - Open-source digital asset management (DAM) software