Communication
Showing 35 Communication self-hosted open-source projects
A free, open-source social network server based on ActivityPub for self-hosted, federated microblogging communities.
A 100% open-source community discussion platform for those who want complete control over their forum.
An open-source notification infrastructure with a unified API for in-app, email, SMS, push, and chat notifications.
An open source, self-hosted collaboration platform with chat, workflow automation, voice calling, screen sharing, and AI integration.
An open-source, self-hosted customer support platform with live chat, email, and omnichannel messaging.
Open-source video conferencing platform with HD quality, content sharing, and end-to-end encryption for self-hosted or embedded meetings.
Open-source team chat with topic-based threading that combines the best of email and chat for productive remote work.
A Python library and CLI tool for sending notifications to over 75+ services (Telegram, Discord, Slack, email, SMS, etc.) with a unified API.
A fully featured open source mail delivery platform for incoming and outgoing email, designed for websites and web servers.
Node.js-based forum software with real-time interactions, mobile responsiveness, and a plugin-driven architecture.
A self-hostable, decentralized link aggregator and forum for the fediverse, similar to Reddit.
A privacy-aware, distributed, open source social network that puts you in control of your data.
A private messaging platform with no user identifiers, using disposable relay nodes for metadata protection.
A scalable, language-agnostic real-time messaging server for building chat apps, live features, and collaborative tools.
Mautic is the world's largest open source marketing automation software, enabling businesses to run fully integrated campaigns.
A federated photo sharing platform that lets you share photos without algorithmic barriers, part of the fediverse.
An open-source email alias service to protect your online identity by creating disposable email addresses.
A modern, responsive, cross-platform, self-hosted web IRC client that stays connected.
A composable, all-in-one mail server that implements SMTP, IMAP, DKIM, SPF, DMARC, and more in a single daemon.
A modern, full-featured, secure mail server designed for low-maintenance self-hosted email.
A private, fast, and lightweight front-end for Reddit written in Rust, with no JavaScript, ads, or tracking.
An open-source online collaborative whiteboard for real-time drawing, teaching, and design.
A collaborative decision-making tool for organizations to discuss proposals and reach consensus.
A script that automates the installation and configuration of a full-featured email server (Postfix, Dovecot, SpamAssassin, OpenDKIM) on Debian/Ubuntu.
A 100% open-source, carrier-grade observability framework for real-time SIP, VoIP, and RTC packet capture, monitoring, and troubleshooting.
A 100% open-source, privacy-focused email service with forwarding, SMTP, IMAP, POP3, CalDAV, and CardDAV support.
A fast, lightweight, and federated messenger designed for self-hosting with minimal resource consumption.
A modern web frontend for the WeeChat IRC client that works on any device with a browser.
A multi-channel notification service for sending emails, web, web push, mobile push, and SMS notifications with user subscription management.
A self-hosted trashmail solution with a built-in mail server, web interface, JSON API, RSS feeds, and webhooks.
A tiny Flask app to create encrypted secrets and share them securely, keeping sensitive info out of emails and chat logs.
A federated personal profile with social networking functionality, supporting ActivityPub and Diaspora protocols.
A self-hosted server for sending push notifications via Matrix, compatible with Gotify's API.
A self-hosted, fully-automated ActivityPub bridge that connects static sites to the Fediverse.
A comprehensive, modular, and scalable SIP server suite written in C++17 for building VoIP services.