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Open Source Notion Alternatives

A curated collection of the 16 best open source alternatives to Notion.

The best open source alternative to Notion is Notesnook. If that doesn't suit you, we've compiled a ranked list of other open source Notion alternatives to help you find a suitable replacement. Other interesting open source alternatives to Notion are: AppFlowy, Affine, Joplin and Logseq.

Notion alternatives are mainly Knowledge Management Tools but may also be Notetaking Tools or Productivity Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Notion.

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End-to-end encrypted note-taking app with cross-platform sync, rich text editing, and offline support for ultimate privacy and productivity.

Screenshot of Notesnook website

Notesnook is the ultimate solution for privacy-conscious individuals who want to keep their thoughts, ideas, and information secure. This powerful note-taking app combines robust security features with a user-friendly interface, making it the perfect choice for both personal and professional use.

Key benefits of Notesnook include:

  • End-to-end encryption: Your notes are encrypted on your device before being synced, ensuring that only you can access your information.
  • Cross-platform synchronization: Seamlessly access your notes across all your devices, including Windows, macOS, Linux, iOS, and Android.
  • Rich text editing: Create beautifully formatted notes with support for Markdown, tables, and code blocks.
  • Offline support: Work on your notes anytime, anywhere, even without an internet connection.
  • Organization tools: Keep your notes organized with notebooks, tags, and powerful search capabilities.
  • Import and export: Easily migrate your notes from other platforms or export them in various formats.
  • Customizable themes: Personalize your note-taking experience with light and dark modes.
  • Regular updates: Benefit from continuous improvements and new features added by the dedicated development team.

With Notesnook, you can focus on capturing your ideas and staying productive, knowing that your privacy is protected. Whether you're a student, professional, or creative individual, Notesnook provides the tools you need to manage your digital life securely and efficiently.

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An open-source alternative to Notion, offering powerful note-taking, task management, and database features in a customizable interface.

Screenshot of AppFlowy website

AppFlowy is a versatile, open-source productivity tool that combines the best features of note-taking apps and project management software. It provides a flexible workspace where you can organize your thoughts, tasks, and projects with ease.

Key benefits of AppFlowy include:

  • Customizable workspace: Tailor your digital environment to fit your unique workflow and preferences.
  • Rich text editing: Create beautiful, formatted notes with support for Markdown and various media types.
  • Powerful databases: Organize and visualize your data with customizable views, including tables, boards, and calendars.
  • Task management: Keep track of your to-dos and projects with built-in task lists and Kanban boards.
  • Open-source and privacy-focused: Your data remains under your control, with the option for self-hosting.
  • Cross-platform compatibility: Access your workspace on Windows, macOS, Linux, and mobile devices.
  • Regular updates: Benefit from continuous improvements and new features driven by an active community.
  • Extensibility: Enhance functionality with plugins and integrations.

AppFlowy combines the flexibility of a note-taking app with the structure of a project management tool, allowing you to capture ideas, plan projects, and organize information all in one place. Whether you're a student, professional, or creative, AppFlowy adapts to your needs, helping you stay organized and productive.

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All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

Screenshot of Affine website

Affine is a powerful, open-source platform that revolutionizes the way teams and individuals create, organize, and share knowledge. With its innovative approach to collaborative work, Affine combines the best features of note-taking, whiteboarding, and task management into a seamless, intuitive interface.

Key benefits of Affine include:

  • Versatile workspace: Effortlessly switch between structured note-taking and freeform whiteboarding, adapting to your workflow needs.
  • Real-time collaboration: Work together with your team in real-time, seeing changes instantly and fostering creativity.
  • Local-first architecture: Enjoy the security and privacy of local storage while still benefiting from cloud synchronization when needed.
  • Cross-platform compatibility: Access your work from anywhere with support for web, desktop, and mobile devices.
  • Customizable and extensible: Tailor Affine to your needs with themes, plugins, and integrations.
  • Open-source foundation: Benefit from a transparent, community-driven development process and the ability to self-host.

Affine's unique blend of features makes it an ideal choice for researchers, project managers, designers, and anyone looking to enhance their productivity and creativity. Experience the future of collaborative knowledge work with Affine.

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A free, cross-platform note-taking and to-do application with end-to-end encryption for seamless organization and productivity.

Screenshot of Joplin website

Joplin is a powerful, open-source note-taking and to-do application that puts your privacy and productivity first. With its intuitive interface and robust features, Joplin makes it easy to capture, organize, and access your thoughts, ideas, and tasks across all your devices.

Key benefits of Joplin include:

  • End-to-end encryption: Keep your notes secure with military-grade encryption, ensuring your data remains private and protected.
  • Cross-platform synchronization: Seamlessly access your notes on Windows, macOS, Linux, Android, and iOS, with real-time syncing across devices.
  • Markdown support: Create beautifully formatted notes using Markdown, with a live preview to see your changes instantly.
  • Rich media integration: Easily embed images, audio, and other file types directly into your notes for comprehensive documentation.
  • Customizable organization: Use notebooks, sub-notebooks, and tags to create a structure that fits your unique workflow.
  • Web clipper: Save web pages and screenshots directly to Joplin with the browser extension for effortless research and reference.
  • Search and filter: Quickly find the information you need with powerful search capabilities and customizable filters.
  • Import and export: Seamlessly transition from other note-taking apps by importing your existing notes, and export your data in various formats.
  • Plugin system: Extend Joplin's functionality with a growing ecosystem of community-developed plugins.

Experience the freedom of open-source note-taking with Joplin, where your ideas flow freely, and your data remains yours.

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A privacy-first, open-source platform for networked thought. Organize, connect, and discover your ideas with ease.

Screenshot of Logseq website

Logseq is a powerful, open-source knowledge management tool that revolutionizes the way you capture, organize, and explore your thoughts. At its core, Logseq functions as a local-first, non-linear notebook that empowers users to create a personalized knowledge graph.

Key benefits of Logseq include:

  • Flexible organization: Use bidirectional links to connect ideas organically, creating a network of knowledge that grows with your understanding.
  • Privacy-focused: Your data stays on your device, ensuring complete control and privacy of your information.
  • Markdown & Org-mode support: Write in familiar formats, making it easy to migrate existing notes or export your work.
  • Daily journaling: Effortlessly maintain a daily log of thoughts, tasks, and progress.
  • Graph view: Visualize connections between your notes, uncovering new insights and relationships.
  • Customizable workflows: Adapt Logseq to your needs with plugins, themes, and custom CSS.
  • Collaboration-friendly: Share specific pages or graphs with others while maintaining control over your private notes.
  • Cross-platform: Access your knowledge base on desktop or mobile devices, ensuring your ideas are always at your fingertips.

Whether you're a student, researcher, writer, or professional, Logseq provides a robust framework for capturing, connecting, and cultivating your ideas. Experience the power of networked thought and unlock your full cognitive potential with Logseq.

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Secure, fast, and beautiful wiki platform that scales with your team, integrating seamlessly with your existing tools.

Screenshot of Outline website

Outline is a powerful, open-source wiki and knowledge base platform designed for modern teams. It offers a clean, intuitive interface that makes documenting and sharing information effortless.

Key benefits of Outline include:

  • Real-time collaboration: Work together on documents simultaneously, with changes synced instantly across all devices.
  • Markdown support: Write and format content easily using familiar Markdown syntax.
  • Powerful search: Find information quickly with full-text search and customizable filters.
  • Integrations: Connect with popular tools like Slack, Google Docs, and Figma to streamline your workflow.
  • Version history: Track changes and revert to previous versions of any document with ease.
  • Customizable structure: Organize your knowledge base with a flexible hierarchy of collections and nested documents.
  • Self-hosted option: Maintain full control over your data with the ability to self-host Outline on your own infrastructure.
  • API access: Extend functionality and integrate Outline into your existing systems using the robust API.

Outline prioritizes security with features like SSO, 2FA, and granular access controls. Its sleek, minimalist design ensures a distraction-free writing environment, while its responsive layout adapts seamlessly to any device. Whether you're documenting processes, collaborating on projects, or building an internal knowledge base, Outline provides the tools you need to keep your team aligned and productive.

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FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.

Screenshot of FastGPT website

FastGPT is a powerful, open-source AI knowledge base platform that simplifies the creation of complex LLM applications. It offers a comprehensive suite of features designed to streamline the development of AI-powered systems.

Key features include:

  1. Domain-Specific AI Assistants: Create specialized chatbots by training models with imported documents or Q&A pairs.

  2. Automated Data Preprocessing: Save time with automated text preprocessing, vectorization, and QA segmentation.

  3. Visual Workflow Orchestration: Design complex AI workflows using a drag-and-drop interface, integrating tasks like database queries and inventory checks.

  4. Seamless API Integration: Connect with existing GPT applications and platforms using OpenAI-aligned APIs.

  5. Multi-Model Compatibility: Works with various LLM models, with ongoing expansion of supported models.

  6. Debugging Tools: Refine your models with comprehensive debugging features.

FastGPT is ideal for:

  • Building custom AI knowledge bases
  • Developing complex Q&A systems
  • Creating AI-powered customer support solutions
  • Integrating AI capabilities into existing applications

The platform is free and open-source, making it suitable for both personal and commercial use. It can be freely deployed in private environments and used as a backend service for other applications.

For those requiring additional features and support, a Commercial Edition is available, offering:

  • Customization and development
  • Dedicated support
  • Custom copyright notice
  • Web application synchronization
  • Full commercial licensing

FastGPT's flexibility and powerful features make it an excellent choice for businesses and developers looking to harness the power of AI in their projects.

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Docmost is a versatile software for creating, collaborating, and sharing knowledge through wikis, knowledge bases, and documentation.

Screenshot of Docmost website

Docmost is an open-source collaborative wiki and documentation software designed to streamline knowledge management and team collaboration. It offers a comprehensive set of features that make it ideal for various use cases, from internal wikis to public documentation.

Key features of Docmost include:

  1. Real-time Collaborative Editor

    • Multiple users can edit pages simultaneously
    • Support for rich-text formatting, tables, math equations (LaTeX), and callouts
  2. Robust Permissions System

    • Fine-grained control over viewing, editing, and managing content
    • Ensures information security and proper access management
  3. Spaces and Groups

    • Organize content into distinct spaces for different teams or projects
    • Create and manage user groups for unified permissions and role assignments
  4. Commenting and Version History

    • Inline commenting system for meaningful discussions
    • Page history tracking with the ability to view and revert to previous versions
  5. Powerful Search Functionality

    • Utilizes Postgres full-text search for quick and efficient information retrieval
  6. Nested Pages and Easy Navigation

    • Support for unlimited page nesting
    • Drag-and-drop functionality for easy page reordering and management
  7. Attachment Support

    • Easily attach images and videos by pasting from clipboard
    • Supports both S3 and local storage drivers

Docmost's user-friendly interface and powerful features make it an excellent choice for teams looking to improve their knowledge management and collaboration processes. Whether you're managing internal documentation, creating a public knowledge base, or collaborating on project wikis, Docmost provides the tools necessary for efficient and organized information sharing.

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Cross-platform note-taking app with end-to-end encryption, offline access, and powerful organization features for privacy-conscious users.

Screenshot of Standard Notes website

Standard Notes is a powerful, open-source note-taking application designed for those who value privacy and security in their digital lives. With a focus on simplicity and robust encryption, it offers a seamless experience across all your devices.

Key benefits of Standard Notes include:

  • End-to-end encryption: Your notes are protected with AES-256 encryption, ensuring that only you can access your data.
  • Cross-platform synchronization: Seamlessly access your notes on desktop, mobile, and web browsers.
  • Offline access: Work on your notes anytime, anywhere, even without an internet connection.
  • Markdown support: Write and format your notes efficiently using Markdown syntax.
  • Customizable experience: Extend functionality with editors, themes, and components through the Extensions system.
  • Long-term data integrity: With encrypted backups and data portability, your notes are safe and accessible for years to come.
  • Open-source transparency: The codebase is open for review, fostering trust and community-driven improvements.
  • No ads or tracking: Your privacy is respected with a clean, distraction-free interface.

Standard Notes offers both free and paid plans, allowing users to choose the level of features that best suits their needs. Whether you're jotting down quick thoughts, managing complex projects, or safeguarding sensitive information, Standard Notes provides a secure and versatile solution for all your note-taking requirements.

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A versatile, open-source tool for organizing thoughts, notes, and data with customizable objects and relational structures.

Screenshot of AnyType website

AnyType revolutionizes personal knowledge management by offering a flexible, open-source platform that adapts to your unique way of thinking. At its core, AnyType allows you to create and connect customizable objects, representing anything from notes and tasks to projects and contacts.

Key benefits of AnyType include:

  • Infinite customization: Design your own object types and relations to match your specific needs and workflows.
  • Powerful linking: Create meaningful connections between your ideas, tasks, and information for a truly interconnected knowledge base.
  • Local-first approach: Your data stays on your device, ensuring privacy and control over your information.
  • Cross-platform synchronization: Seamlessly access and update your knowledge across all your devices.
  • Open-source foundation: Benefit from community-driven development and the ability to extend functionality.
  • Markdown support: Write and format your content with ease using familiar Markdown syntax.
  • Graph view: Visualize the connections between your objects for better insight and discovery.
  • Customizable views: Organize and display your information in tables, boards, or galleries to suit your preferences.

AnyType empowers you to build a digital second brain that truly reflects your thought processes, making it an indispensable tool for researchers, writers, students, and anyone seeking to organize their digital life more effectively.

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Simplify asset tracking, boost productivity, and gain real-time insights with our user-friendly, open-source inventory solution.

Screenshot of Shelf website

Shelf revolutionizes inventory management for businesses of all sizes. This powerful, open-source platform offers a seamless approach to tracking assets, equipment, and resources.

Key benefits of Shelf include:

  • Intuitive Interface: Navigate effortlessly through a clean, user-friendly design that requires minimal training.
  • Real-time Tracking: Monitor your inventory in real-time, ensuring accurate stock levels and asset locations.
  • Customizable Fields: Tailor the system to your specific needs with flexible, customizable data fields.
  • QR Code Integration: Quickly scan and manage items using built-in QR code functionality.
  • Collaborative Features: Foster teamwork with multi-user access and role-based permissions.
  • Detailed Reporting: Generate comprehensive reports for data-driven decision-making.
  • Open-source Flexibility: Adapt and extend the platform to meet your unique requirements.
  • Cloud-based Solution: Access your inventory data securely from anywhere, on any device.

Shelf streamlines operations, reduces errors, and provides valuable insights into your inventory. Whether you're managing IT assets, equipment rentals, or retail stock, Shelf adapts to your workflow, saving time and resources while improving overall efficiency.

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A powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.

Screenshot of Vrite website

Vrite revolutionizes technical content creation with its innovative approach to collaborative writing. This powerful platform is designed to meet the unique needs of technical teams, offering a seamless blend of features that enhance productivity and quality.

Key benefits of Vrite include:

  • Real-time collaboration: Work together effortlessly with your team, seeing changes instantly and avoiding conflicts.
  • Version control: Keep track of your content's evolution with built-in versioning, making it easy to review and revert changes when needed.
  • Markdown support: Write in familiar Markdown syntax, with a live preview to ensure your content looks perfect.
  • Customizable workflows: Tailor the platform to fit your team's specific needs with flexible content pipelines and approval processes.
  • API-first architecture: Integrate Vrite seamlessly into your existing tech stack, allowing for automated content updates and deployments.
  • Content components: Create reusable blocks of content to maintain consistency across your documentation and reduce duplication.
  • Rich media support: Enhance your content with images, videos, and interactive elements to create engaging technical documentation.
  • Advanced search: Quickly find the information you need with powerful search capabilities across your entire content library.

Vrite empowers technical teams to create, manage, and publish high-quality content more efficiently than ever before. Whether you're working on API documentation, technical guides, or product manuals, Vrite provides the tools you need to streamline your workflow and deliver exceptional results.

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XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

Screenshot of XWiki website

XWiki is an enterprise-grade, open-source platform for knowledge management and collaboration. It offers a unique "Structured Wiki" concept, combining the flexibility of wikis with powerful organization features.

Key benefits include:

  1. Structured Knowledge: XWiki goes beyond traditional wikis by allowing users to create structured content, making information easier to organize and find.

  2. Customization: The platform is highly adaptable, supporting custom applications and workflows to meet specific organizational needs.

  3. Collaboration Tools: XWiki provides robust features for team collaboration, including real-time editing, comments, and version control.

  4. Security and Access Control: Granular permissions and access controls ensure that sensitive information remains protected.

  5. Integration: XWiki can integrate with various third-party tools and systems, enhancing its functionality and fitting into existing workflows.

  6. Open Source: As an open-source solution, XWiki offers transparency, community support, and freedom from vendor lock-in.

  7. Scalability: XWiki is designed to handle large amounts of data and users, making it suitable for organizations of all sizes.

  8. Multiple Deployment Options: Available as a cloud service or for on-premises installation, providing flexibility in deployment.

XWiki is trusted by over 800 teams worldwide, including major organizations like Amazon, SNCF, and CNFPT. It's particularly well-suited for creating knowledge bases, managing procedures, building intranets, and developing custom collaborative applications.

Whether you're looking for a standard solution or a custom-tailored platform, XWiki offers the tools and services to streamline your organization's knowledge sharing and collaboration processes.

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OpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality.

Screenshot of OpenNotas website

OpenNotas is a versatile and user-friendly note-taking application designed for personal use across multiple platforms. Here are its key features and benefits:

  1. Simplicity: OpenNotas boasts an intuitive interface, allowing users to start writing notes immediately without navigating complex settings.

  2. Multi-platform support: Available on various devices and operating systems, including mobile phones, computers, Windows, Linux, and macOS.

  3. Synchronization: Users can sync their notes across devices through Adapter configuration, ensuring access to their information from anywhere.

  4. End-to-End Encryption (E2EE): Utilizes AES algorithm to encrypt note data before storing it on the server, guaranteeing data security and privacy.

  5. Offline functionality: OpenNotas can be used without an internet connection, with data stored locally and synced when connectivity is restored.

  6. Free and open-source: The application is completely free to use and has its source code openly available.

  7. Customizable sync options: Users can set up note syncing across devices through Adapter configuration, providing flexibility in how data is managed.

  8. Data control: OpenNotas does not store user note data on its servers, giving users full control over their information.

  9. Multiple language support: The application is available in various languages, including English, Vietnamese, and Traditional Chinese.

OpenNotas strikes a balance between simplicity and functionality, making it an excellent choice for users who prioritize privacy, ease of use, and cross-platform availability in their note-taking solution.

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A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.

Screenshot of Orgnise website

Orgnise is a powerful project management solution designed to help teams of all sizes streamline their workflows and boost productivity. With its user-friendly interface and comprehensive feature set, Orgnise makes it easy to plan, track, and execute projects from start to finish.

Key benefits of Orgnise include:

  • Intuitive Task Management: Create, assign, and prioritize tasks with ease. Use drag-and-drop functionality to organize tasks into customizable lists, boards, or timelines.

  • Team Collaboration: Foster seamless communication with built-in chat, file sharing, and commenting features. Keep everyone on the same page and reduce email clutter.

  • Workflow Automation: Set up automated workflows to handle repetitive tasks, notifications, and status updates, saving time and reducing human error.

  • Customizable Dashboards: Get a bird's-eye view of your projects with personalized dashboards. Monitor progress, track deadlines, and identify bottlenecks at a glance.

  • Time Tracking and Reporting: Log time spent on tasks and generate detailed reports to analyze team performance and project profitability.

  • Integration Ecosystem: Connect Orgnise with your favorite tools through a wide range of integrations, including calendar apps, file storage services, and communication platforms.

Whether you're managing complex projects or simply organizing your daily tasks, Orgnise adapts to your needs, helping you stay focused and productive. Experience the power of efficient project management with Orgnise today.

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Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.

Screenshot of Justnote website

Justnote is a privacy-focused note-taking app designed for simplicity, speed, and data ownership. Key features include:

• Simple and fast interface for quick note-taking on any device • End-to-end encryption to keep your notes private and secure
• Cross-device syncing to access notes anywhere • Web3 technology that gives you full control of your account and data • No ads or data mining • Rich text editor with formatting options • Dark mode for comfortable night-time use • Available on web, iOS, and Android

Justnote uses blockchain technology from Stacks to create a truly decentralized app where only you can access and control your account and notes. Your data is encrypted and stored on servers of your choice.

With Justnote, you can quickly jot down ideas, to-do lists, and other notes without worrying about privacy or losing access to your data. The clean, distraction-free interface lets you focus on your thoughts.

Whether you need a simple notepad for quick memos or a secure place to store sensitive information, Justnote provides an easy-to-use and private note-taking experience across all your devices.

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