Package for expressing logical operations in JSON. Useful for storing logical procedures in a database.

TypeScript definitions for json-logic-js

Generate JSON Logic objects using JavaScript syntax.

Graphql query support for json-logic-js using Lodash methods

Build complex rules, serialize them as JSON, and execute them in JavaScript

Construct complex rules with JSON & process them.

Visual rule and expression builder for Praxis UI with JSON Logic authoring, validation and context variables.

High-performance JSON Logic evaluator with schema validation for React Native

Faster Handlebars templating with JSON Logic Engine

Zero-trust JSON Logic to parameterized SQL converter

Extended JSON - pluggable JSON logic for dates, includes, and more

Schema-driven requirements engine with JSON Logic rules for conditional evaluation, validation, and computed fields

Construct complex rules with JSON & process them.

Excel-like formula language that compiles to JSON Logic (via Peggy) and executes on json-logic-engine — over arbitrary data, not just a grid.

JSON Logic integration for Ajv validator

JSON Logic Virtual Machine (JLVM) for Constellation metagraphs: the evaluator, gas metering, and zk/crypto opcodes. Self-contained.

Graphql query support for json-logic-js using Lodash methods

JSONLogic (json-logic) rules engine for browsers, edge, Deno, Bun, and Node — Rust core compiled to WebAssembly. A fast alternative to json-logic-js with identical semantics across 8 runtimes; flagd-compatible operators for OpenFeature-style feature flags

Node-RED node utlizing json-logic rules & operations.

A lightweight, type-safe adaptive form system for React with JSON-Logic for conditional fields, dynamic validation, and computed values