Here is a list of best free Illustrator alternative software for Windows.Adobe Illustrator is a popular vector graphics editing software that is used by creators to make logos, book illustrations, Billboards, etc. There’s no question about it: the Adobe suite of graphic design and illustration software isn’t going anywhere anytime soon as the industry champion. Your workflow is the foundation of a great design, so Affinity Designer gives you unlimited artboards, detailed version history, customizable keyboard shortcuts, and the ability to save your file in the most popular vector and raster formats.