Privacy-focused diagramming software supporting real-time collaboration, offline mode, and cloud storage without ads or registration.
- Diagram Editor
- Free • Proprietary
- Mac
- Windows
- Linux
- Online
- Chrome OS
- Notion
- Self-Hosted
- Microsoft SharePoint
- Microsoft OneDrive
- PortableApps.com
- Google Drive
- Google Docs
- Microsoft Teams
- Google Slides
- Google Sheets
+9Open-source diagram editor with cross-platform support offering entity relationship, UML, flowchart, and network diagram creation with editable objects.
- Diagram Editor
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
- FreeBSD
- Xfce
- DragonFly BSD
- NetBSD
- OpenBSD
yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams...
- Diagram Editor
- Free • Proprietary
- Mac
- Windows
- Linux
- Online
- BSD
+2Cloud-based tool for diagramming and collaboration, with 20M users globally, supports Visio import/export and features UML modeling and more.
- Mind Mapping Tool
- Freemium • Proprietary
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
+6PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
- Diagram Editor
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- Chrome OS
Create flowcharts, mind maps, org and business diagrams with AI-enhanced features and OCR. Ideal for personal and team project planning.
- Mind Mapping Tool
- Paid • Proprietary
- Mac
- Windows
- Linux
- Online
- iPhone
- Android
+3Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
- Diagram Editor
- Free • Open Source
- Windows
- Linux
- Snapcraft
- Flathub
- Flatpak
A daily drawing tool that supports low code for learning or office use. It can be used for flowchart, mind map, UML diagram, ER diagram, network topology diagram, BPMN, Venn diagram, database model diagram, whiteboard drawing, infinite canvas, and more.
- Diagram Editor
- Free Personal • Open Source
- Windows
- Mac
- Linux
- Online
+6Visual Paradigm for UML (VP-UML) is a UML design tool and UML CASE tool designed to aid software development. VP-UML supports key modeling standards such as Unified Modeling Language (UML) 2.4, SysML, ERD, DFD, BPMN 2.0, ArchiMate 2.0, etc.
- Diagram Editor
- Paid • Proprietary
- Mac
- Windows
- Linux
+2StarUML is a program to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform. The goal of the StarUML project is to build a software modeling tool and also platform that is a compelling replacement of commercial UML...
- UML Modeling Tool
- Paid • Proprietary
- Mac
- Windows
- Linux
Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI. It allows to draw all UML2 diagrams and specific diagrams for business process modeling. It is easy and powerful with the capacity to add new functionalities to the application.
- UML Modeling Tool
- Free • Open Source
- Windows
- Linux
- Eclipse
+2Gaphor is a WYSIWYG (What You See Is What You Get) UML and SysML modeling environment easy to use that will help you create your applications.
- Diagram Editor
- Free • Open Source
- Mac
- Windows
- Linux
UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.
- Diagram Editor
- Free • Open Source
- Windows
+7Cacoo is a user-friendly online diagramming tool that allows you to create a variety of diagrams such as wireframes, flowcharts, UML diagrams, network diagrams, mindmaps, sitemaps, database diagrams, and more.
- Mind Mapping Tool
- Freemium • Proprietary
- Online
- Software as a Service (SaaS)
+1An online diagramming tool with built-in productivity features to create diagrams faster. Draw flowcharts, mind maps, org charts, network diagrams, Venn diagrams and 50+ other diagrams types. Readymade templates to get started fast.
- Diagram Editor
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Online