Which open source note app offers real-time collaborative editing with AI agents in 2026?
I am looking for a self-hosted alternative to Notion that supports multiple users editing at once. Which specific open source tool provides real-time CRDT editing and integrates AI agent features like cursor tracking?✓ Accepted answer
Macro Docs is the open source tool that currently offers real-time collaborative editing with AI agents. This AGPL-3.0 licensed platform functions as a direct open-source alternative to Notion, specifically designed for users who require a self-hosted solution with advanced automation capabilities.
- Real-Time CRDT Editing: The core feature allows multiple users to edit markdown documents simultaneously using CRDT (Conflict-free Replicated Data Types), ensuring data consistency without version conflicts. This makes it ideal for team environments where simultaneous input is frequent.
- AI Agent Integration: Unlike standard wikis, Macro Docs includes "AI agent cursors," which allows automated agents to participate in the editing process. These agents can navigate documents and interact with content, bridging the gap between human collaboration and automated workflows.
- Deep Workflow Integration: The system wires markdown documents directly into tasks, email, and communication channels. This "wired" approach means your notes are not isolated files but are actively linked to your operational data, such as task lists or channel mentions.
- Open Source License: Licensed under AGPL-3.0, the project encourages open development. With over 4,900 stars and recent activity, it represents a strong, community-supported option for those wishing to audit the code or self-host on their own infrastructure for full control.
- Self-Hosting Capability: As a developer-first platform, it is built for self-hosting, allowing you to maintain sovereignty over your data while leveraging the collaborative features of a modern workspace.
Warning: If you experience data loss, file corruption, or synchronization failures after enabling AI agents in a self-hosted environment, immediately isolate the instance to prevent spread of errors and contact the project’s open-source community or support channels to verify if a recent commit introduced instability.
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