Rule Engine

Drools introduces the Business Logic integration Platform which provides a unified and integrated platform for Rules, Workflow and Event Processing.

Open Source

Business rule engine that lets you create and deploy business rules, while all your rules run in a secure and scalable cloud. Unlike other rule engines, you can create your first rule in 5 minutes and make 100k decisions in a minute via API.

freemium

Open-source business rules engine for automating decisions

Open Source freemium

DotNet simple BRMS XML rule engine

MiniZinc is a free and open-source constraint modeling language.

Hyperon is a BRMS, that was created with very large decisions and hyper-performance in mind. It stands out with the concept of the business domain which organizes the whole configuration in easy to manage way.

paid Free Trial

Business Rule Management System (BRMS)

Mathematical optimization software

Open Source

Evrete is a lightweight, open-source Java Rule Engine that is compliant with Java Rule Engine Specification (JSR-94)

An in-app, open-source design review tool for iOS apps

Open Source

Your online learning hub.

Ruote is a workflow engine written in Ruby. Ruote is not a state machine library.

Decisimo - decision intelligence services and decisioning system. An engine for deployment of rule based and machine learning driven decisioning

paid Free Trial €500.0 / Monthly