Best Gentleware Poseidon for UML Alternatives & Competitors

Diagramo is an online flowchart software - diagrams (create, edit and share)

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

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

UML Designer provides a set of common diagrams to work with UML 2.5 models.

Discover YAKINDU Statechart Tools – a free statechart tool for the specification and development based on the concept of state machines.

BOUML : An UML toolbox running under Linux, MacOS X and Windows to specify and generate code in C++, Java, Php, Python, Idl and MySQL

ARIS Express is based on the proven ARIS methodology and industry standards.

The IYOPRO BPM Platform is a comprehensive online BPM Suite based on the BPMN 2.0 standard. The IYOPRO PLM Components combine innovative process management with solid PDM technology.

IBM Rational Rose Enterprise is a functional unified modeling language software based on object-orientation.

MagicDraw | No Magic is one of the most respected providers of standards-compliant modeling, simulation and analysis solutions in the industry.

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.

Open Source

A multi-platform data driven 2D diagram editor.

Enterprise Explorer provides professional business process modeling on Microsoft platforms.

Open-source ASCII art editor for browser-based, raster-style editing