The simple, stupid rules engine for Java

Lightweight, fast, stable, and programmable component-based rule engine/process engine. Component reuse, synchronous/asynchronous orchestration, dynamic orchestration, multi-language scripting support, complex nested rules, hot deployment, smooth refreshing. Let you improve your development efficiency!

An unofficial rules engine for the world's greatest card game.

100% open-source IoT Platform - Integrate your devices, add intelligence, build custom apps

100% Java, Lambda Enabled, Lightweight Rules Engine with a Simple and Intuitive DSL

Windup - Application Migration and Assessment Tool

Evrete is a lightweight and intuitive Java rule engine.

A pragmatic business rule management system

Power Flows DMN - Powerful decisions and rules engine

The Fleet Management/Telematics implementation on top of the OpenRemote open-source IoT device management platform.

Drools processor for Apache NiFi

rules-engine, based on easy-rules

Higson - Motor Insurance Demo App. This is a sample application to demonstrate capabilities of Higson.io library (Java Business Rules Engine (BRE)/Java Pricing Engine). The application demonstrates responsive quotations for Car/Motor Insurance based on decision tables and Rhino functions (for math calculations).

Prototype for a Coupon-Engine driven by Easy Rules and Spring Expression Language

Yet-Another-Rules-Engine -- A easy-to-understand Business Readable DSL for defining production rules.

规则引擎封装✔

The Dynamic Rules Engine is a serverless application that enables real-time evaluation of rules against sensor data, leveraging AWS Kinesis Data Streams, Amazon Managed Service for Apache Flink, and AWS Lambda.

基于 Java、Akka Actor 模型和 Aviator 表达式引擎构建的灵活、强大的规则引擎 (Rule Engine)，专注于高并发场景下的复杂业务规则定义、组合和执行，为企业提供快速决策和弹性调度能力。 在线体验：http://152.136.109.198:8080/

Simple and easy to use Java implementation of a decision table

基于AviatorScript实现的规则引擎包，只包括核心逻辑，小巧灵活，无过多依赖，能够快速与应用集成；可在线部署，支持蓝绿发布；零代码开发，支持多种规则配置方式；支持多种外置数据源配置，适用于风控等场景。