Invision - Prototyping and collaboration for design teams
Toolabs DSM - Design System Manager plugin for creating themeable designs
Axure RP - The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.
Evie by unDraw - MIT licensed illustrations for your next project
Webflow - Build dynamic, responsive websites in your browser. Launch with a click. Or export your squeaky-clean code to host wherever you'd like. Discover the professional website builder made for designers.
Haiku - Haiku is an open source OS catered specifically to the needs of personal computing.