What is the best alternative to Calendar.app?

The top-rated alternatives to Calendar.app in the Developer Tools category include Icloud Calendar, CalendarMCP, Dav MCP. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do Calendar.app alternatives differ in installation and runtime?

Calendar.app and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

Are alternatives to Calendar.app free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare Calendar.app with a specific alternative?

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.

Best Alternatives to Calendar.app (Developer Tools)

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
C Calendar.app (Target)	npx	Free/None	Free	1	—	Current
Icloud Calendar	npx	Free/None	Free	—	—	Compare →
CalendarMCP	npx	Free/None	Free	—	—	Compare →
Dav MCP	npx	Free/None	Free	31	—	Compare →
O Odds API MCP Server	npx	Free/None	Free	1	—	Compare →
Luma Events	Remote (SSE)	Free/None	Free	—	—	Compare →
Mockmcp	Remote (SSE)	Free/None	Free	—	—	Compare →
S Skiddle	Remote (SSE)	Free/None	Free	—	—	Compare →
Calendly MCP Server	uvx	Free/None	Free	—	—	Compare →
Labelhead Artist Momentum	npx	Free/None	Free	80,077	—	Compare →
PraisonAI	npx	Free/None	Free	9,023	—	Compare →
C Calendly	Remote (SSE)	Free/None	Free	—	—	Compare →
Joomil — Swiss Classifieds MCP	npx	Free/None	Free	—	—	Compare →