Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Adobe Illustrator CC - Adobe Illustrator CC is a commercial vector graphics editor.
Sketch - Professional digital design for Mac.
Boxy SVG - Boxy SVG is a vector graphic editor built for the modern web.
AutoDraw - A Google Experiment that helps you draw with relevant suggestions.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.