Ranked in these QuestionsQuestion Ranking
Pro Written by a SVG Guru and pioneer
Dmitry Baranovskiy also wrote Raphael (project now owned by Sencha), this is the updated modern version of that library. Dmitry also is a champion directly affecting the future of SVG standards with W3C
Pro Backed by Adobe
Adobe is backing the development of snap.svg
Supports the newest SVG features like masking, clipping, patterns, full gradients, groups, and more
Pro Pure SVG library
Con Not actively developed
During 2016 was few updates, more updates in 2017
Con Weak documentation
Explanations provided in the documentation can often be unclear, with some features missing from the documentation all together.
Con Spotty exporting
Exporting doesn't work well (if at all sometimes) with SVGs exported from anything other than Adobe products.