Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
Sketch - Professional digital design for Mac.
CiviCRM - A Constituent relationship management for the Civic Sector
Affinity Designer - Professional creative software, exclusively for Mac.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.