Recently, I went to check on an open-source drawing program called Draw, which used to be from Cumulate Labs, and was a pretty good tool for creating diagrams; effectively an online equivalent of Microsoft Visio. When I went to the site, I found that it’s been transitioned to a project from Autodesk Labs and is now called Project Draw. It’s still a great online diagramming tool, and you can use it for free, and watch an introductory video, here . While it’s not quite as full-featured as Visio,