Tools

a self-hosted server tracking what you read/watch/listen/play, powering a global distributed community federating via ActivityPub and (a bit of) ATProto.

Nextcloud Talk – chat, video & audio calls for Nextcloud

Federated single-user microblogging software

The software powering Stoat

FreeScout — Free self-hosted help desk & shared mailbox (Zendesk / Help Scout alternative)

Insular email distribution - mail server as Docker images

The Secure CommsOS™ for mission-critical operations

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

Synapse: Matrix homeserver written in Python/Twisted + Rust

Open source video conferencing app powered by LiveKit.

Mail-Archiver is a web application for archiving, searching, and exporting emails from multiple accounts. Featuring folder sync, attachment support, mailbox migration and a dashboard.

Webmail built for the 21st Century. A modern, self-hosted email client for Stalwart Mail Server powered by the JMAP protocol. Email, calendar, contacts and files. Fast, private, and open source.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc.

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Fully-featured Matrix client for Web, iOS & Android.

Notifuse is an open-source & modern emailing platform

Mail hosting and management platform including a modern and simplified web user interface.

ActivityPub (https://www.w3.org/TR/activitypub/) server for individual users and small groups.

Social reading and reviewing, decentralized with ActivityPub

Fast, highly extensible, and event driven SMTP server.

Scalable no-SPOF IMAP/POP3 mail server.

High-performance and feature-rich chat server for Matrix, and the successor to conduwuit (fork of Conduit).

A simple CalDAV (calendar) and CardDAV (contact) server.

mailcow: dockerized - + =

The Roundcube Webmail suite

Mumble is an open-source, low-latency, high quality voice chat software.

Micro-blog tool offering built-in syntax highlighting, mobile publishing and more (alternative to Twitter, Bluesky)

Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing. Built for small groups who want privacy, simplicity, and full control over their data.

Real time collaboration (RTC) server.

Your self-hosted, globally interconnected microblogging community

With a fresh new take on traditional bulletin board forum software, Storyden is a modern, secure and extensible platform for building communities.

A complete web conferencing system for virtual classes and more!

Modern, open source, self-hosted customer support desk. Single binary app.

Next-Gen self-hosted chat server and clients.

Movim - Decentralized social platform

Live Support chat for your website.

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Dovecot mail server

A completely free and open interplanetary-microblogging platform

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

XMPP instant messaging server.

Mbin: a federated content aggregator, voting, discussion and microblogging platform

Modular IRC server written in C++ for Linux, BSD, Windows, and macOS.

Typebot is a powerful chatbot builder that you can self-host.

SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and Web interface.

Open Source Newsletter Tool.

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

Easy to use but advanced IP PBX system, VoIP gateway and conference server.

Preserve your emails with this open-source self-hostable email archive! This repository is a read-only mirror, please go to the gitlab repo at https://gitlab.com/Dacid99/eonvelope to contribute code.