10 Best Open Source Nuclino Alternatives
A curated collection of the 10 best open source and self-hosted alternatives to Nuclino in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Nuclino in 2026? The top open-source alternative is AppFlowy — Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options..
Other highly rated open-source Nuclino alternatives include Affine, SiYuan and Outline.
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open-source Notion & Miro alternative with docs, whiteboards, databases, and AI in one local-first workspace
AFFiNE is a next-generation workspace that merges docs, whiteboards, and databases into a single local-first platform. Built for creativity and productivity, it combines the best of Notion, Miro, and Obsidian with integrated AI capabilities. - All-in-one workspace: Unified interface for documents, whiteboards, and databases - Local-first architecture: Works offline with real-time sync across devices - AI integration: Built-in AI assistant for writing, drawing, and planning - Collaboration tools: Edgeless whiteboards for limitless team creativity - Team hub: Unified document space for teams of all sizes - Cross-platform: Available as desktop, web, and mobile apps - Extensible: Supports templates and custom workflows - Privacy-focused: Self-hosting and private cloud options available AFFiNE is open-source and can be self-hosted for complete data control. The platform supports private cloud deployments and offers enterprise solutions with dedicated support. The codebase is available on GitHub under the MIT license, making it suitable for both personal and commercial use.
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.
Self-hosted wiki platform for enterprise teams with real-time collaboration, built-in AI, SSO, RBAC permissions, and compliance support for ITAR, FedRAMP, and GDPR.
Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.
Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.
A local-first, encrypted workspace for notes, tasks, databases, and chats. Your data stays on your device, syncs peer-to-peer, and never passes through a central server.
A local-first, encrypted workspace for notes, tasks, databases, and chats. Your data stays on your device, syncs peer-to-peer, and never passes through a central server.
Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.
Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.
XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.
XWiki is a flexible, feature-rich wiki software that helps organizations structure and share knowledge efficiently.
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.
A versatile project management platform that combines task organization, team collaboration, and workflow automation in one intuitive interface.
About Nuclino
A modern, simple, and blazingly fast way to collaborate – bring knowledge, docs, and projects together in one place.