Compare Camunda vs. Drools vs. OpenRules

Camunda helps organizations coordinate and automate processes involving people, systems, and devices—removing complexity, improving efficiency, and making AI workflows operational. Designed for both business and IT teams, Camunda’s platform runs any process with the speed and scale needed to stay competitive while meeting security and governance standards. More than 700 companies, including Atlassian, ING, and Vodafone, use Camunda to design, automate, and optimize core business processes. Learn more at camunda.com.

Drools serves as a comprehensive Business Rules Management System (BRMS) that includes a core Business Rules Engine (BRE) and a web-based application for authoring and managing rules, known as Drools Workbench. Additionally, it offers complete runtime support for Decision Model and Notation (DMN) models, adhering to Conformance level 3, along with an Eclipse IDE plugin to facilitate core development tasks. As an open-source solution released under the Apache License 2.0, Drools is developed entirely in pure Java™ and is compatible with any Java Virtual Machine (JVM). Furthermore, it can be readily accessed through the Maven Central repository, making it convenient for developers to integrate into their projects. This accessibility and flexibility highlight its appeal in various business environments.

With OpenRules®, business professionals can create and evaluate decision models and subsequently collaborate with IT to seamlessly integrate these models into existing information systems. The platform clearly defines all necessary integration points for ease of use. If your organization seeks to automate intricate business logic to enhance operational decision-making in a cost-effective manner, you’ve found the perfect solution. OpenRules® provides tools that empower business analysts to develop, test, and manage Operational Decision Services while working alongside developers for deployment either on-premise or in the cloud. Furthermore, OpenRules® Decision Manager enables business users to create, test, and maintain rules-based decision models that can be effortlessly deployed in various environments, whether cloud-based or on-site. It operates business rules with exceptional performance and scalability. Notably, OpenRules® does not require users to master proprietary graphical interfaces or unique rule languages, allowing them to utilize familiar tools such as MS Excel® or Google Sheets® alongside the standard file manager or OpenRules Graphical Explorer, making the process even more accessible and user-friendly. This focus on simplicity ensures that all team members can contribute effectively to the decision-making process without extensive training.