# Diagramming tools

8 apps ranked by verified data.
Source: https://altcatalog.com/category/diagramming-tools/

## Apps

- [Cacoo](https://altcatalog.com/alternatives/cacoo.md) — Online diagramming for flowcharts, wireframes, and network diagrams
- [Creately](https://altcatalog.com/alternatives/creately.md) — Visual workspace for flowcharts, UML, ERD, and diagrams
- [draw.io](https://altcatalog.com/alternatives/drawio.md) — Free open-source diagramming for flowcharts, UML, and network diagrams
- [Eraser](https://altcatalog.com/alternatives/eraser.md) — Diagram-as-code and docs tool for engineering teams
- [Gliffy](https://altcatalog.com/alternatives/gliffy.md) — Diagramming for flowcharts and UML, integrated with Confluence and Jira
- [Lucidchart](https://altcatalog.com/alternatives/lucidchart.md) — Web-based diagramming for flowcharts, UML, ERDs, and data-linked visuals
- [SmartDraw](https://altcatalog.com/alternatives/smartdraw.md) — Diagramming for flowcharts, org charts, and floor plans
- [Whimsical](https://altcatalog.com/alternatives/whimsical.md) — Flowcharts, wireframes, and mind maps on a collaborative canvas

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Ranked by verified data, never by who paid. https://altcatalog.com/trust/