ObjectAid has been discontinued. Similar apps include Pencil Project, which is free and open source. Other options are Lucidchart, PlantUML, Axure RP and StarUML. You're spoiled for choice with UML Modeling Tools like ObjectAid: we list more than 25 alternatives for Windows, Linux, Mac, the web and Android.
GenMyModel is an online modeling plateforme for UML, BPMN2, Database, Flowchart and more. It supports realtime collaboration, centralized model repository, versioning and full traceability.
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The Model Development Tools (MDT) project focuses on big "M" modeling within the Modeling project. Its purpose is twofold:
Whether you are a Business Architect, System Architect, Developer, Analyst or Designer, Modeliosoft meets your needs through its high quality solutions for modeling, and report, architecture or code generation.
ckwnc is a uml sequence diagram creation tool that uses an intuitive c-style language to automatically create uml diagrams that can be saved as an image or embedded directly into other pages
