itrcz/calab

OneCamp: self-hosted all-in-one workspace (chat, tasks, video calls, docs, calendar & AI)

Open-source and local-first Slack and Notion alternative that puts you in control of your data

Notes, Diagrams, Chat, Calls, Files, Projects, Calendar. One private workspace, everything talks back. Plus an optional agent harness on top of it designed for Work Infrastructure

Open-source, self-hosted workspace with installable tools. Mail, boards, docs, chat, todos, files, calendar, and video rooms. Deploy with ONCE, Kamal, or Docker.

The only workspace you need.

Open-source Slack alternative you can self-host in minutes. Built with Next.js, Supabase & LiveKit.

A self-hosted home for your team's conversations, calls, meetings, and AI-assisted follow-up.

Your own workspace. A self-hosted, open source alternative to Google Workspace: mail, drive, docs, sheets, slides, drawings, stickies, calendar, contacts and chat. Syncs with your own apps over IMAP, SMTP, CalDAV, CardDAV and WebDAV, and opens and saves Word, Excel and PowerPoint files.