Open-source alternatives offer extensive customization through public code access. Most of them provide free / paid cloud service. Some might require self-hosting to use.
Professional-grade vector graphics software for creating scalable illustrations and designs, free and open-source.
Inkscape is a powerful, open-source vector graphics editor that provides a comprehensive set of tools for creating and manipulating scalable graphics. It offers capabilities comparable to commercial software like Adobe Illustrator, including advanced path operations, text tools, and object manipulation features, all within a customizable interface.
A dynamic tool for crafting stunning vector graphics effortlessly