Best Self-Hosted Collaboration & Communication Tools in 2026

Open-source virtual whiteboard for creating hand-drawn style diagrams and sketches.

Open-source project management platform — an alternative to Jira, Linear, Monday, and ClickUp.

Decentralized social network server that federates with the broader Fediverse — run your own instance instead of relying on Twitter/X.

Open-source scheduling infrastructure — a self-hostable alternative to Calendly for booking meetings and appointments.

The most popular self-hosted cloud platform for file storage, collaboration, and communication.

Jitsi Meet is a free, secure, open-source video conferencing platform you can use in the browser or self-host. No account required to join any meeting.

Focalboard is an open-source, self-hosted project management tool — a free alternative to Trello, Notion, and Asana for boards, docs, and team planning.

Modern, lightweight self-hosted music server compatible with Subsonic/Airsonic clients — stream your music everywhere.

WeKan is an open-source kanban board built with Meteor — a free, self-hosted Trello alternative for tracking tasks, lists, cards, and shared team workflows.

Open-source real-time collaborative text editor you can self-host.

OpenProject is open-source project management software for agile teams. A powerful alternative to Jira, Asana, Trello, and Monday.com — fully self-hosted.

Federated, decentralized video hosting platform built on ActivityPub.

Federated link aggregator and community discussion platform — a decentralized, self-hostable alternative to Reddit.

Open-source survey and experience management platform for product and customer research.

Self-hosted live video streaming server with built-in chat and Fediverse integration.

BigBlueButton is an open-source web conferencing platform built for online learning. Whiteboard, breakout rooms, and live polls make classes feel real.

CryptPad is an end-to-end encrypted, zero-knowledge collaborative office suite. Write, edit, and share documents, sheets, and code without servers reading them.

Self-hosted office suite with real-time collaboration.

Collabora Online is a powerful open-source office suite built on LibreOffice. Edit documents, sheets, and slides together in self-hosted environments.

A beautiful terminal email client built with Go and Bubble Tea. An open source alternative to Superhuman and Outlook for the command line.

Element Call delivers end-to-end encrypted group video and voice calls built on the open Matrix protocol. No accounts, no tracking, fully self-hostable.

Straightforward realtime kanban boards for intuitive task tracking with dark mode and collaborative features.