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.

Business Rule Management System (BRMS)

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

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

Mathematical optimization software

Open Source

Build Python/Django process-driven workflow web apps for browsers or mobile devices.

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

Open Source

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

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