docmost

Docmost is an open source wiki and documentation tool built for teams that want to self-host their knowledge base. It provides a clean, distraction-free editor based on Blocknote and supports real time collaboration, so multiple people can write and edit pages simultaneously. You can create spaces to organize content by project or team, and everything is stored in a PostgreSQL database with optional S3 compatible storage for attachments.

The software runs in a Docker container and works on any Linux server. It supports Markdown formatting, code blocks with syntax highlighting, inline comments, and page history with diffs. You can embed images, videos, and files directly into pages. Authentication options include email/password, Google OAuth, GitHub OAuth, and OpenID Connect. Docmost also offers a REST API for programmatic access and webhooks for integrations.

Docmost is built by a small team and released under the AGPLv3 license, making it free to use and modify. It is a good fit for development teams, startups, or any organization that wants full control over their documentation without paying per user. The project is relatively new but active on GitHub with regular updates.