A logic engine in js / ts

Construct complex rules with JSON & process them.

Faster Handlebars templating with JSON Logic Engine

Form schema, validation, logic engine and JS client for Fillo. Framework-agnostic.

A condition logic engine for JavaScript/TypeScript

The Full Plures Application Framework - declarative schemas, logic engine, component generation, and local-first data

Module to encode and decode MOI Logic Engine input and output.

Construct complex rules with JSON & process them.

Homebridge plugin for SleepMe devices using APL as core logic engine

The EYE Logic Engine: a JavaScript implementation of SPARQL 1.2 RL (SRL) with RDF 1.2 input via rdf-parse.

Core logic engine for copilot bot card SDK — no UI, pure logic (Expression Engine, Action Runner, Schema Parser, Lifecycle Manager)

The logic engine for computational recipes - validation, scaling, parsing, and Schema.org conversion

Framework-neutral schema, validation, and conditional-logic engine for FormKnot dynamic forms.

Extensible Enketo core containing the form logic engine and responsive form styling

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

Control logic engine using event based and reactive blocks written in Rust.

A smart logic engine for data validation using Graph concepts

Pure promotion logic engine for Shopify storefronts

Core logic engine for Zentto Studio — runtime UI builder. Schema validation, expression engine, data binding, and rule evaluation.

An open-source, framework-agnostic email template editor. Drag-and-drop block editing, HTML/MJML/React Email/JSON export, and a pluggable ESP-conditional-logic engine with zero required backend.