Lucidchart
Freemium
Lucidchart is a web-based application to draw diagrams.
Google Drawings is a free, web-based diagramming software developed by Google.
Mindomo
Freemium
Mindomo is an online mind map Software where users can create, view and share mind maps in their browser.
Compare Dia with alternatives
Compare Google Drive - Drawings and Dia and decide which is most suitable for you.