Lucidchart
Free plan: 3 editable Lucidchart documents with 75 shapes each.
Productivity
What you get
Diagramming with 3 editable documents, 100 templates, basic data linking, presentation mode, commenting and Lucid AI.
How to get it
Click Start free under Free on lucidchart.com/pages/pricing.
What it requires
A Lucid account; the pricing page says no credit card is required.
The catch
Only 3 editable documents with 75 shapes each; unlimited documents and Visio import/export start on Individual ($9 a month billed annually).
From the official page · checked Oct 30, 2026