draw.io
draw.io (also known as diagrams.net) is a free, open-source diagramming tool.
Our verdict
Who it's for
Free, open-source diagramming for any use case
Who should look elsewhere
Less polished UX
Pros
- +Completely free
- +No account required
- +Works offline
Cons
- −Less polished UX
- −Limited collaboration
Key features
- ✓Diagram creation
- ✓Flowcharts
- ✓UML diagrams
- ✓Cloud storage integration
- ✓Offline support
- ✓Free and open source
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | Unlimited diagrams; All diagram types; Google Drive integration |
| Confluence/Jira Cloud | $1.7 | month | All Free features; Atlassian integration; Team collaboration |
| Data Center | — | year | Self-hosted; Enterprise features; SSO integration |
Integrations
Google SheetsGoogle DriveMicrosoft TeamsJiraGitHubDropboxNotion