Diagrams.net (formerly draw.io) is a free, open-source online diagramming software developed by JGraph Ltd. It allows users to create flowcharts, network diagrams, and UML models with a focus on privacy and data sovereignty, as it does not store user data on its own servers.
Brand Authority Index (BAI): 88/100
Archetype: Challenger
Category: Software
https://optimly.ai/brand/drawio-diagramsnet
Last analyzed: April 11, 2026
Founded: 2000 (JGraph Ltd)
Headquarters: Northamptonshire, UK