draw.io is a sophisticated diagramming plugin for Confluence and JIRA, created by JGraph. With draw.io you can quickly and easily create a wide range of diagrams in both Confluence and JIRA: flow charts, network diagrams, org charts, UML diagrams, mind maps, and many more. Here are some examples. The underlying core technology, mxGraph, has been in development since 2005 and today is the market reference implementation. In 2012, the draw.io plugin for Confluence was created for the Atlassian Marketplace, these are some of the advantages of draw.io for Confluence and JIRA.