Illustrator is primarily used to create and edit vector artwork and for one page graphic design projects.
This list is part of an Adobe Alternatives series. If you’re looking for desktop publishing software, check out the list of Adobe InDesign Alternatives. Adobe Illustrator can also be used to create and edit PDFs, but if you want a program primarily for this purpose, check out my list of Adobe Acrobat DC Alternatives. If raster graphics are more of your thing, check out my list of Adobe Photoshop Alternatives.
* Offers a free version that isn’t a trial, but has less features than the paid version.
** Has other pricing tiers with different feature sets.