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DevExpress/DevExtreme
HTML5 JavaScript Component Suite for Responsive Web Development
DevExtreme is a commercial UI component library from DevExpress covering data grids, charts, schedulers, Gantt, pivot grids, and ~80 other widgets. It targets enterprise line-of-business apps and ships first-class wrappers for Angular, React, Vue, and jQuery. The GitHub repo is the open-source core — the license still requires a paid subscription for production use.
The DataGrid and PivotGrid are genuinely among the most capable in the JavaScript ecosystem — server-side operations, virtual scrolling, column fixing, and Excel export all work without stitching together separate libraries. The framework wrappers are not thin shims; they're proper idiomatic components with TypeScript declarations maintained alongside the core. The demo gallery is unusually thorough: every component has runnable examples in all four supported frameworks. CI setup is serious — QUnit, TestCafe, CodeQL, visual regression, and separate wrapper test pipelines all in GitHub Actions.
The commercial license is the elephant in the room: you need a paid DevExpress subscription to ship a production app, which the README buries under a polite 'Pricing' link. Bundle size is large; pulling in even one or two components drags in the full runtime. The jQuery path is still first-class, which signals the component architecture carries significant legacy weight — the renovation/React-native-rendering internal project has been in flight for years and still isn't fully complete. With only 1,900 stars for a library this mature, the open-source surface area is thin: most real discussion, bug triage, and roadmap happen behind the DevExpress support portal, not in public GitHub issues.