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Open Source Projects using Notion

A curated collection of the 11 best open source software using Notion. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Build and deploy AI agents and RAG pipelines visually
  • Stars

    160,446
  • Last commit

    5 hours ago
  • License

    Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.

Open Source Alternative to:

Multi-model AI desktop client with local-first privacy
  • Stars

    53,267
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.

Open Source Alternative to:

Build internal tools rapidly without coding
  • Stars

    41,196
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface

Open Source Alternative to:

Visual builder for AI agents and LLM workflows
  • Stars

    55,552
  • Last commit

    3 months ago
  • License

    Apache-2.0
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.

Open Source Alternative to:

Fast, collaborative wiki for teams who need organized docs
  • Stars

    41,177
  • Last commit

    11 hours ago
  • License

    BUSL-1.1
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.

Open Source Alternative to:

Automate workflows with no-code integration platform
  • Stars

    25,378
  • Last commit

    8 hours ago
  • License

    MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.

Open Source Alternative to:

Privacy-first knowledge base with any AI model you choose
  • Stars

    16,786
  • Last commit

    7 hours ago
  • License

    Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.

Open Source Alternative to:

Privacy-first survey and experience management platform
  • Stars

    13,217
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Build powerful AI agents with cutting-edge LLM technology
  • Stars

    14,980
  • Last commit

    13 hours ago
  • License

    MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.

Open Source Alternative to:

Your all-in-one marketplace for digital creators and products
  • Stars

    Stars growing over the last 30 days10,095
  • Last commit

    5 hours ago
  • License

    MIT
A digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.

Open Source Alternative to:

AI agents that transform merchant risk decisions at scale
  • Stars

    2,453
  • Last commit

    27 days ago
  • License

    Unknown
Reduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.

Open Source Alternative to: