Best Imixs-BPMN Alternatives & Competitors in 2025

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Open Source

The Universal Process Orchestrator

Open Source freemium

The most intuitive platform to manage projects and teamwork

Visit website paid Free Trial $14.0 / Monthly (per seat)

ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.

Online diagramming application

Open Source

Bonita BPM is a BPM-based application platform that is designed to help users build highly...

Automate your manual work tasks with the most intuitive workflow builder on the market!

yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.

Enterprise Architect - UML Design Tools and UML CASE tools for software development | Sparx Systems

StarUML

Forms On Fire provides a complete, customizable mobile forms and workflow system that is reliable and secure, works offline or online.

Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.

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

See how Appian, leading provider of modern low-code and BPM software solutions, has helped transform the businesses of over 3.5 million users worldwide.