Discover best Diagram softwares, apps and websites.
Apache OpenOffice Draw. Makes drawing business processes and diagrams a snap! Draw - from a quick sketch to a complex plan, Draw gives you the tools to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for technical or general posters, etc.
LibreOffice is a full-featured office productivity suite that provides a near drop-in replacement for Microsoft Office.
ThinkComposer is a flexible visual tool, which allow users to create enriched diagrams based on their domain of knowledge.
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.
UMLet is an open-source Java-based UML tool designed for teaching the Unified Modeling Language and for quickly creating UML diagrams.
Calligra Flow (Kivio) is free diagramming software that is a part of Calligra Suite, an integrated graphic art and office suite by KDE.
Diagramo is an online flowchart software. It's FREE and Open Source ( GPL ) It's pure HTML5 Share and collaborate.