inkscape

Inkscape is a vector graphics editor using SVG as its native format. It handles logos, icons, illustrations, and technical drawings, serving as a widely-used free alternative to Adobe Illustrator.

• SVG-native editing of W3C standard SVG format, ideal for web asset creation
• Vector drawing tools including pen, Bezier curves, calligraphy, and spiro curves
• Text processing with font management, text paths, and SVG font creation
• Live Path Effects for non-destructive creation of complex shapes
• Extensions via Python scripts and plugins for added functionality
• Multi-format support for SVG, PDF, EPS, PNG, and AI import/export

Built in C++ for Windows, macOS, and Linux, Inkscape is completely free for commercial use. With Japanese UI support, it serves as the standard open source tool for vector graphics as an Adobe Illustrator alternative.