Darktable - darktable is an open source photography workflow application and raw developer.
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.
RawTherapee - RawTherapee is a free RAW converter and digital photo processing software.
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.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Pics.io - Pics.io is a cloud service that people can use to manage their creative content and files, collaborate with their peers on this content, and then share it with their clients. Read more about Pics.io.