Rules engine for cloud security, cost optimization, and governance, DSL in yaml for policies to query, filter, and take actions on resources

The simple, stupid rules engine for Java

A fast and reliable .NET Rules Engine with extensive Dynamic expression support

A rules engine expressed in JSON

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

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

Rules engine for .NET, based on the Rete matching algorithm, with internal DSL in C#.

Powerful implementation of the Specification pattern in PHP

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

Low-code tool for automating actions on real time data | Stream processing for the users.

Node-rules is a light weight forward chaining rule engine that can be used in JavaScript and TypeScript based projects.

Rule engine/process engine, committed to solving flexible and complex hard-coded problems, for complex/flexibly changing business, provide a new abstract orchestration solution that is lightweight, high-performance and provides visual operation pages. Java规则引擎-ice，针对复杂/灵活变动业务，提供一个新的抽象编排解决方案，轻量级，高性能并提供可视化操作页面

A business logic micro-framework for .NET and .NET Core

Editor for Microsoft RulesEngine - Blazor UI library intended for integration in Web or Desktop

gamification-engine (gengine) is a framework for developing gamification features for your application

🎉🔥PandaX是Go语言开源的企业级物联网平台低代码开发基座，基于go-restful+Vue3.0+TypeScript+vite3+element-Plus的前后端分离开发。支持设备管控，规则链，云组态，可视化大屏，报表设计器，表单设计器，代码生成器等功能。能帮助你快速建立IOT物联网平台等相关业务系统。

轻量级边缘物联网网关开发框架

Enterprise Security Data Pipeline Platform (SDPP) — Real-Time Threat Detection + Deeply Integrated LLM Agents

Generic Rules engine in golang

Windup - Application Migration and Assessment Tool