When comparing Lucidchart vs Diagrams.net, the Slant community recommends Diagrams.net for most people. In the question“What are the best mockup and wireframing tools for websites?” Diagrams.net is ranked 8th while Lucidchart is ranked 14th.
Ranked in these QuestionsQuestion Ranking
Pro Integrates with a variety of services
Lucidchart has Google Drive, Google Apps, JIRA, Confluence, Jive, and Box integration.
Pro Revision history
Keeps track of previous version of files and is capable of reverting any changes made.
Pro Simple UI
A selection of tutorials are available.
Pro No data ownership
Users keep all rights to documents created using Lucidchart services.
Pro Can import and export Microsoft Visio documents
Pro Completely free
Pro Rich functionality for a web-based application
Pro There is also a Desktop version
Pro Integrates with multiple cloud storage services
Draw.io offers saving files directly to services such as Google Drive, OneDrive or Dropbox along with saving to to computer.
Pro Good list of different output formats
Draw.io supports export for PNG, GIF, JPEG, PDF, SVG, HTML, and XML.
Pro Internet Explorer 6-8 and touch device support
Draw.io works with every browser (even IE 6) without plugins.
Pro Real-time collaboration
Con Limitation for free users
Limit to 60 components per document and up to 3 document
Con Only web version available
Dekstop or other platforms are not supported
Con Import from Visio .vsd is useless
Even simple diagrams get all scattered.
Con Behaves strangely for certain diagram types
For example the snapping function for arrows doesn't work properly for the sequence diagram template.