
Dia
Open SourceDia is a free and open-source diagramming software suitable for creating a variety of diagrams including flowcharts, UML diagrams, and network layouts.
Discover best Flowchart softwares, apps and websites.
Dia is a free and open-source diagramming software suitable for creating a variety of diagrams including flowcharts, UML diagrams, and network layouts.
draw.io is a versatile online diagramming tool providing a rich feature set for creating professional diagrams of all types. It offers robust integrations with major cloud storage providers and office suites, enabling seamless collaboration and accessibility. Its intuitive interface makes diagram creation straightforward for users of all skill levels.
PlantUML is an open-source tool that allows users to generate a wide variety of UML and other diagram types from a simple human-readable text description. It supports sequences, use case, class, activity, component, state, object, deployment, timing diagrams, and more, making it accessible and efficient for technical documentation and visualization.
Calligra Flow (formerly Kivio) is a free and open-source diagramming software included in the Calligra Office Suite developed by KDE. It specializes in creating various types of diagrams like flowcharts, BPMN diagrams, UML entities, and network maps. Its lightweight nature and extensibility make it a versatile tool for visual communication and planning.
Diagramo is a robust, open-source web-based diagramming tool perfect for creating flowcharts, graphs, and various diagrams directly in your browser. Built on HTML5, it offers real-time collaboration and flexible export options, making it accessible and versatile.