The best open source alternative to IBM Operational Decision Manager is GoRules. If that doesn't suit you, our users have ranked more than 10 alternatives to IBM Operational Decision Manager and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to IBM Operational Decision Manager are Drools, OptaPlanner, Simple Rule Engine and MiniZinc.
Gorules.io is a flexible and intuitive rules engine that helps organizations automate decision-making processes. Its drag-and-drop interface and powerful rule engine make it easy for non-technical users to create and manage complex business rules.
A business logic integration platform which provides a unified and integrated platform for rules, workflow and event processing
OptaPlanner is a constraint satisfaction solver. It optimizes business resource planning. Every organization faces scheduling puzzles: assign a limited set of constrained resources (employees, assets, time and money) to provide products or services to customers.
DotNet simple BRMS XML rule engine Open source. Does most of what's needed from a top down rule system Fast and simple to implement and run.
Business Rule Management System (BRMS) A 5 star mature open-source DotNet based Business Rule Engine (BRE)
United States
Australia
it's open source and provide good features