Self-hosted apps that integrate with PlantUML

4 open-source, self-hostable projects list PlantUML as an integration.

• CodiMDSelf-hosted, open-source collaborative markdown notes — the community edition of HackMD — with per-note permissions, PDF export and SAML, LDAP or OAuth sign-in.
• YankNoteYank Note is a self-hosted, open-source Markdown editor for Windows, macOS, and Linux with AI writing, version control, encryption, code execution, and embedded diagrams.
• TypemillOpen-source, self-hosted flat-file CMS for documentation sites, manuals and knowledge bases: write Markdown, publish websites, PDFs and EPUBs, no database needed.
• collabmdSelf-hosted realtime collaborative Markdown editor turning folders into shared workspaces with diagrams, git sync, comments, and MCP AI agent access.