potrace - Open source program that transforms bitmaps into vector graphics.
GEES - GEES is an all-in-one AI design platform that is shaping a future where you can brainstorm, design, hand-off in one file — without changing any other tools.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Miro - Scalable, secure, cross-device and enterprise-ready team collaboration tool for distributed teams. Join 2M+ users & 8000+ teams from around the world.
DragPotrace - A GUI for potrace using Objective-C for OS X 10.11
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.