DevExpress: it has some more functionnal components like calendar: angular2+/React/Vue/VanillaJS, Not all js frameworks has the same components for instance. Oh, i forgot: it's free for open-source project (or non commercial ?).
SyncFusion: like DevExpress a quite complete list of components: Angular/React/ES6/ES5
Smart Elements : lots of components available as webcomponentrs or for framework Angular, Vue, React ... [https://www.htmlelements.com]