Vector Magic - Easily convert JPG, PNG, BMP, GIF bitmap images to SVG, EPS, PDF, AI, DXF vector images with real full-color tracing, online or using the desktop app!
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
AutoTrace - It is tracing program, so converts bitmap to vector graphics.
Invision - Prototyping and collaboration for design teams
Karbon - Karbon is the scalable vector drawing application in KDE.
Sketch - Professional digital design for Mac.