Best Imixs-BPMN Alternatives & Competitors in 2025

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

Key PlantUML features:

Simple Syntax Quick Diagram Creation Version Control Friendly Integrations

Open Source

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

Key ProcessMaker features:

User-Friendly Interface Extensive Integration Capabilities Open-Source Availability Cloud and On-Premises Options

The fastest way to send files over the internet.

Key Fileport features:

User-Friendly Interface Multi-Device Access Secure File Transfers Fast Upload and Download Speeds

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The Universal Process Orchestrator.

Key Camunda features:

Agentic Orchestration Process Orchestration Scalability Rich API's

Open Source freemium

Online diagramming application.

Key draw.io features:

Free User-Friendly Interface Collaboration Integrations

Open Source

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

Key BonitaSoft features:

Open-source Flexibility User-Friendly Interface Comprehensive BPM Features Strong Community Support

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

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

Key Enterprise Architect features:

Comprehensive Toolset Supports Multiple Standards Collaboration Features Extensible and Customizable

StarUML.

Key StarUML features:

User-Friendly Interface Cross-Platform Support Extensibility Wide Range of Diagram Types

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.

Key yEd features:

User-Friendly Interface Versatile Diagram Types Automatic Layouts Cross-Platform

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

Key Forms On Fire features:

User-friendly Interface Offline Functionality Customizable Forms Integration Capabilities

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

Key Modelio features:

Open Source Wide Range of Modeling Standards Extensible Built-In Code Generation

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.

Key DecisionRules.io features:

Easy Versioning DevOps Compatible Seamless Integration Secure & Scalable

freemium

UMLet - Free UML Tool for Fast UML Diagrams.

Key UMLet features:

Simplicity Open Source Quick Diagramming Lightweight