draw.io is free online diagram software. You can use it as a flowchart maker, network diagram software, to create UML online, as an ER diagram tool, to design database schema, to build BPMN online, as a circuit diagram maker, and more. draw.io can import .vsdx, Gliffy™ and Lucidchart™ files .
To create a new diagram, enter a Diagram Name and click the location where you want to save the file. To open an existing diagram, click OneDrive or Sharepoint, navigate to and select the diagram file, then click Open to see a preview.
b. modify, adapt, translate and/or create derivative works of the Software or any part of it other than in accordance with your statutory rights; c. reverse engineer, decompile, disassemble or otherwise attempt to discover the source code of the Software; d. use the Software in an unprofessional, irresponsible, malicious or unlawful manner; and
