What people build with a query builder.
Each example is a working app on the same store: different UI, different output, same typed query underneath.
Linear-style filter bar
productInline filter chips: the same hooks, a completely different UI
Workflow automation triggers
product“When a booking is created and …, then …” with a live event log
Saved views & undo
productNamed views, dirty tracking, undo/redo, and queries as plain English
E-commerce product filters
dataFaceted search over a catalogue, filtered client-side with compile()
CRM audience segments
dataMarketing segments with a live audience count and parameterized SQL
Feature-flag targeting
platformSegment rules + percentage rollout, shipped to the edge as JsonLogic
Monitoring alert rules
platformThresholds, ranges and field-vs-field checks over a live metric stream
Access-control policies
platformAllow-if rules with NOT-group denies, plus a request simulator
Drop-in for react-querybuilder
integrationKeep your saved RQB JSON: the store speaks its format via `format: rqb`
One query, every backend
integrationThe same query as Postgres, MySQL, SQL Server, MongoDB and JsonLogic