Alternatives to Cacoo

Cacoo: Online diagramming tool for collaborative diagramming. 8 products similar to Cacoo, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 7 of 8 have an API, 4 of 8 offer an MCP server, 1 of 8 is open source.

Nuclino
Your team’s collective brain
Developer productivity free tierAPI
Miro
AI Innovation Workspace
Frontend & design free tierMCP
Slack
AI work platform and productivity tools
Email & messaging free tierAPIMCPSDK
Zoom
One platform to connect
Other free tierAPIMCPSDK
Webvizio
Visual website feedback and bug tracking tool with AI prompt generation for coding agents
Testing & QA free tierAPIMCP
Wufoo
Online form builder with cloud storage database
No-code & automation free tierAPI
Mocko
Dynamic HTTP mocking tool for creating mock APIs, proxying REST APIs, and inspecting requests.
Testing & QA free tierAPISDKopen source
cDox
A private alternative to Google Docs and Sheets
Other free tierAPI

Side by side

Product	Pricing	Free tier	API	MCP server	SDK	Open source
Cacoo	Freemium	yes	—	no	—	no
Nuclino	Freemium	yes	yes	no	no	no
Miro	Freemium · from $8/month per member (Starter, billed yearly)	yes	no	yes	no	no
Slack	Freemium	yes	yes	yes	yes	no
Zoom	Freemium	yes	yes	yes	yes	no
Webvizio	Freemium	yes	yes	yes	—	no
Wufoo	Freemium · from 0	yes	yes	no	—	no
Mocko	Freemium	yes	yes	no	yes	yes
cDox	Freemium · from Free plan with 150 pages and sheets; Pro at $8/month or $70/year CAD; Teams at $1,500/year for up to 10 people	yes	yes	no	no	no

Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.

API

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