Best Docker Chat & Communication for self-hosting

Open-source customer engagement and live-chat platform

Replaces Intercom, Zendesk

Real-time collaborative document editor

Replaces Google Docs

Scalable real-time messaging server for apps and websites

Replaces Pusher, Firebase Realtime Database

Conversational app builder (alternative to Typeform and Landbot)

Low-latency, high-quality voice chat application

Replaces Discord, TeamSpeak

Modern, self-hosted web IRC client

Replaces IRCCloud, Slack

Open-source live chat and customer messaging

Replaces Intercom, Drift

Web-based helpdesk and customer support system

Replaces Zendesk, Freshdesk

Virtual office / virtual conference application presented as a 16-bit

Self-hostable WebSocket server compatible with Pusher

Replaces Pusher

Privacy-focused lightweight commenting engine

Replaces Disqus

Lightweight self-hosted commenting server

Replaces Disqus

Free WebRTC video conferencing and meeting rooms

Replaces Zoom, Google Meet

Free self-hosted help desk and shared inbox

Replaces Help Scout, Zendesk

Self-hosted local Telegram Bot API server

Minimal collaborative real-time text editor

Replaces Google Docs, Etherpad

Modern IRC server with IRCv3 and bouncer features

Replaces Slack, Discord

XMPP gateway providing phone-number based messaging

Replaces WhatsApp, Signal

Lightweight, privacy-friendly embeddable comment system

Replaces Disqus

Real-time WebSocket server for in-app messaging

Replaces Pusher, Ably

Self-hostable, open-source Discord-compatible chat backend

Replaces Discord

Troubleshooting and monitoring VoIP calls

Lightweight SIP proxy, location server, and registrar for a reliable

Whistleblowing software enabling anyone to easily set up and maintain

Collection of Matrix bridges for popular chat networks

Replaces Beeper

Federated, end-to-end encrypted messaging service for the web, iOS,

Modular C++ Internet Relay Chat daemon

Replaces Slack, Discord

User-friendly IRC bouncer with multi-network support

Replaces IRCCloud

Hosted-anywhere modern web IRC client

Replaces Slack, Discord

Web front end for the WeeChat IRC relay

Replaces IRCCloud, Slack

Federated social networking toolkit for communities

Replaces Facebook Groups, Discord

Distributed IRC client with an always-on core

Replaces Slack

Browser-based client for Mumble voice servers

Replaces Discord, TeamSpeak

Privacy-friendly, self-hosted web comments engine

Replaces Disqus

Scalable signaling backend for Nextcloud Talk

Replaces Zoom

Real-time cam-2-cam video calls & screen sharing, end-to-end

Bridge connecting Matrix rooms to IRC channels

Replaces Slack IRC gateway

Minimal email server tuned for Delta Chat messaging

Replaces WhatsApp, Signal

Matrix bridge for GitHub, GitLab, Jira and webhooks

Replaces Slack

Transport and gateway framework for messaging networks

Replaces Bitlbee

Self-hosted name registry and bridge for the Jami network

Replaces Skype, Zoom

E2E-encrypted personal-server messaging app

Replaces Discord, Slack

Bouncer-style Matrix to IRC bridge

Replaces ZNC

Self-hosted backend for syncing Ferdium settings

Replaces Franz Server

Moderation bot for Matrix communities

Replaces Discord moderation bots

Self-hosted AI assistant bot for Matrix rooms

Replaces Slack AI assistants

Standalone media storage for Matrix homeservers

Replaces Slack file storage

Federated commenting system built on Matrix

Replaces Disqus

Complete, modular and scalable SIP server, includes a push gateway, to

Next-Gen self-hosted chat server and clients

Matrix bot that generates news summaries from chat

Replaces Slack workflows

Platform for your corporate communications, based on the advanced