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Open Source Projects using Google Calendar

A curated collection of the 2 best open source software using Google Calendar. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Langflow

AI
Visual builder for AI agents and RAG pipelines

  • Stars

    156,345

  • Last commit

    9 hours ago

  • License

    MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Open Source Alternative to:

Voiceflow

Cal.com

Self-host your own scheduling page, no vendor required

  • Stars

    49,700

  • Last commit

    2 days ago

  • License

    MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.

Open Source Alternative to:

Calendly
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