A professional vector graphics editor for Windows, Mac OS X and Linux.
Ranked in these QuestionsQuestion Ranking
Pro Free and open source
Inkscape is GPL-licensed and maintains public repositories.
Pro It's really easy and fun
Edit and create vector graphics with Inkscape.
Pre-built binaries are available for Windows, Mac and Linux. Inkscape can be built from source on additional platforms.
Pro Opens lots of file types
Inkscape supports many common formats for import (including SVG, Photoshop and Illustrator) and its plugin architecture allows more to be added.
Con Very slow startup on some systems
Depending on factors like how many fonts you have installed, Inkscape can take upwards of 30 seconds to launch.
Con No Gradient Mesh tool
Gradient Mesh or a comparable tool is not available in Inkscape.