Dia Alternatives for Mac OS X

Lucidchart is a web-based application to draw diagrams.

yEd is a free general-purpose diagramming program with a multi-document interface.

LibreOffice is a full-featured office productivity suite that provides a near drop-in replacement for Microsoft Office.

OmniGraffle is a diagramming and digital illustration application for macOS and iOS.

Mindomo is an online mind map Software where users can create, view and share mind maps in their browser.

ConceptDraw PRO is diagramming software used to create business graphics, including ConceptDraw Flowcharting Suite.

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.

Creately is a collaborative diagramming and design software used by teams around the world to communicate more effectively.

PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.

TreeSheets is a free form data organizer.

Edraw Max is comprehensive mind mapping and planning tool network diagrams, floor plans, workflow diagrams, business charts, and engineering diagrams.

Umbrello UML Modeller is a free software UML diagram tool available natively for Unix-like platforms and Windows.

Visual Paradigm (VP-UML) is a UML CASE Tool.

Vectr is a free online vector graphics editor.

Nevron Draw is a software for creating flowcharts and diagrams.

Diagrammix is a tool for efficiently building attractive diagrams and flowcharts.