The best open source alternative to Nuclino is Affine. If that doesn't suit you, we've compiled a ranked list of other open source Nuclino alternatives to help you find a suitable replacement. Other interesting open source alternatives to Nuclino are: AppFlowy, SiYuan, Outline, and Focalboard.
Nuclino alternatives are mainly Collaborative Notes & Wikis but may also be Collaborative Workspaces or Personal Knowledge Management (PKM) Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Nuclino.
All-in-one workspace for note-taking, whiteboarding, and task management with real-time collaboration and local-first architecture.

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:
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.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
An open-source alternative to Notion, offering powerful note-taking, task management, and database features in a customizable interface.

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:
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.
SiYuan is a personal knowledge management system that prioritizes privacy, supports Markdown, and offers block-level referencing and bidirectional linking.

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

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:
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.
Open-source project management tool for teams. Create kanban boards, tables, and tasks to streamline workflows and boost productivity.

Important: This repository is currently not maintained.
Focalboard is a powerful, open-source alternative to traditional project management tools. It offers a flexible and intuitive platform for teams to organize their work, collaborate effectively, and boost productivity.
Key benefits of Focalboard include:
Whether you're managing complex projects, organizing personal tasks, or coordinating team efforts, Focalboard provides the tools you need to stay focused and achieve your goals. Experience the power of visual project management and take control of your workflows with Focalboard.
A feature-rich wiki platform with real-time collaboration, rich-text editing, advanced permissions, and support for diagrams, translations, and file management.

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:
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.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.

A powerful document collaboration platform that brings teams together for seamless content creation and editing. Real-time collaboration allows multiple users to work simultaneously on documents, with changes reflected instantly across all users.
The platform offers robust version control to track changes and maintain document history, making it easy to review edits and revert to previous versions when needed. Smart commenting and annotation features enable contextual discussions right within documents.
Key features include:
Whether you're writing business proposals, technical documentation, or creative content, Docs provides the tools needed for efficient document management and team collaboration.
A versatile, open-source tool for organizing thoughts, notes, and data with customizable objects and relational structures.

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:
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.
Open-source collaboration platform combining real-time chat, document editing, file sharing, and project management. Self-host for complete control.

Colanode is a comprehensive collaboration platform that brings together all the tools your team needs in one self-hosted solution. Unlike traditional cloud-based alternatives, this local-first application gives you complete control over your data while providing instant access to your content.
Key features include:
The platform is designed for teams who value data ownership and privacy while maintaining the collaborative features found in popular tools like Slack and Notion. With self-hosting capabilities, you can deploy Colanode on your own infrastructure, ensuring sensitive information never leaves your control.
Whether you're managing projects, writing documentation, or coordinating with team members, Colanode provides a unified workspace that works both online and offline, making it ideal for distributed teams and organizations with strict data governance requirements.
XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.

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:
Structured Knowledge: XWiki goes beyond traditional wikis by allowing users to create structured content, making information easier to organize and find.
Customization: The platform is highly adaptable, supporting custom applications and workflows to meet specific organizational needs.
Collaboration Tools: XWiki provides robust features for team collaboration, including real-time editing, comments, and version control.
Security and Access Control: Granular permissions and access controls ensure that sensitive information remains protected.
Integration: XWiki can integrate with various third-party tools and systems, enhancing its functionality and fitting into existing workflows.
Open Source: As an open-source solution, XWiki offers transparency, community support, and freedom from vendor lock-in.
Scalability: XWiki is designed to handle large amounts of data and users, making it suitable for organizations of all sizes.
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.
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.

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.