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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.

SiYuan is a robust personal knowledge management system designed with privacy at its core. It offers a unique blend of features that cater to users who value data security and efficient information organization.

Key features of SiYuan include:

• Complete offline usage: Work on your knowledge base without an internet connection, ensuring your data remains under your control.
• End-to-end encrypted sync: Securely synchronize your data across devices without compromising privacy.
• Block-level editing: Organize your thoughts and knowledge at a granular level, making it easier to reference and link information.
• Bidirectional linking: Create a web of interconnected knowledge, enhancing the discoverability and context of your notes.
• WYSIWYG editor: Enjoy a user-friendly interface that supports Markdown formatting.
• AI integration: Access OpenAI capabilities to assist with writing, translation, and idea generation.
• Database functionality: Create relational databases within your knowledge base for more structured data management.
• Spaced repetition: Improve memory retention with built-in review algorithms.

SiYuan stands out by combining the power of block-level referencing, bidirectional links, and a privacy-first approach. This makes it an ideal tool for users who need to manage complex information structures while maintaining control over their data. Whether you're a researcher, writer, or knowledge worker, SiYuan provides the tools to refactor your thinking and build a comprehensive personal knowledge base.

Docmost transforms team documentation with its powerful collaborative features. The real-time rich-text editor supports simultaneous editing with integrated tools for diagrams (Mermaid, Draw.io, Excalidraw), tables, math equations, and embedded content.

Organization is seamless with nested pages and dedicated spaces for different teams or projects. The robust permissions system with group management ensures precise access control. Content discovery is efficient through Postgres-powered full-text search.

Notable features include:

• Inline commenting for team discussions
• Comprehensive page history and version control
• File attachments with S3 or local storage support
• Import/export in Markdown and HTML formats
• Multilingual interface available in 10+ languages
• Built-in diagramming tools for technical documentation

The platform combines security, flexibility, and ease of use while avoiding vendor lock-in through open standards. Perfect for companies seeking a self-hosted solution for knowledge management, technical documentation, and team collaboration.

Reor is an innovative AI-powered personal knowledge management app designed for high entropy thinkers. It offers a suite of powerful features to help you organize, connect, and leverage your ideas:

• Private and Local: All your data, including LLMs, embedding models, and vector databases, runs and stores locally on your device, ensuring complete privacy and control over your information.

• AI-Powered Q&A: Chat with an LLM that has full context of your notes, allowing for deep exploration and understanding of your knowledge base.

• Automatic Idea Connections: Never manually link your notes again. Reor intelligently connects related ideas, creating a web of knowledge that enhances your thinking process.

• Semantic Search: Find information quickly without needing to remember exact phrasing, making it easier to retrieve and utilize your stored knowledge.

• WYSIWYG Markdown Editor: Write and format your notes effortlessly with a What-You-See-Is-What-You-Get Markdown editor, combining the simplicity of Markdown with the convenience of visual editing.

• Writing Assistant: Boost your productivity with the world's first local writing assistant, helping you craft better content without compromising your privacy.

Reor is the perfect tool for researchers, writers, students, and anyone who values deep thinking and wants to enhance their personal knowledge management. With its focus on privacy, powerful AI capabilities, and intuitive interface, Reor empowers you to organize your thoughts, generate new insights, and unlock the full potential of your ideas.

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.

Blinko is a powerful self-hosted note-taking solution that puts you in control of your personal knowledge management. With its intuitive interface, you can:

• Create and organize notes with rich text formatting and markdown support
• Build connections between related notes to create a personal knowledge graph
• Keep your data private and secure by self-hosting on your own infrastructure
• Access your notes from anywhere through web and mobile interfaces
• Import and export notes in standard formats for data portability
• Customize the experience with themes and plugins

Perfect for students, researchers, writers, and anyone who wants to build a structured personal knowledge base while maintaining complete control over their data.

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.

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.