10 Best Open Source Confluence Alternatives
A curated collection of the 10 best open source and self-hosted alternatives to Confluence in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Confluence in 2026? The top open-source alternative is Macro Docs — Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email..
Other highly rated open-source Confluence alternatives include AppFlowy, Affine and Outline.
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
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.
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.
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
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.
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.
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The leading collaboration software and enterprise wiki for intranets and knowledge management.