https://github.com/react-querybuilder/react-querybuilder https://github.com/FGRibreau/ui-predicate # Example Existing Systems Mailchimp segmentation | Zapier tweets filtering ------------ | ------------- |  |  Google Analytics segments | Uservoice rules ------------- | ------------ |  |  MacOS Finder | iTunes smart playlist ------------ | ------------- |  |  Google Issue tracker | Microsoft flow -------------------- | ------------- |  |  _Credit for the research: Thawab Alsubaie_