unDraw is an open-source SVG illustration library offering 300+ free, commercially usable, attribution-free illustrations with online color customization and SVG/PNG export, ideal for website and app visuals.
ManyPixels is an illustration and design service based in Singapore. Its free gallery offers 5 styles usable commercially at $0, while the unlimited design subscription from $699/month has served 2,000+ customers and delivered 150k+ designs.
DrawKit is a free commercial-use vector illustration library founded by James G in 2020, with thousands of MIT-licensed SVG illustrations across business, tech, and education, free for designers and developers in personal and commercial projects.