What is Inkscape? “Inkscape is a free and open-source vector graphics editor. This software can be used to create or edit vector graphics such as illustrations, diagrams, line arts, charts, logos, icons and complex paintings. Inkscape's primary vector graphics format is Scalable Vector Graphics (SVG); however, many other formats can be imported and exported.”
SOURCE: https://en.m.wikipedia.org/wiki/Inkscape
Adobe Illustrator, is Inkscape’s main non-open-source pay-to-use competition and is 33 years old:
https://en.m.wikipedia.org/wiki/Adobe_Illustrator
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Use both, they’re both great products depending on your needs.