Communication

Hublin

Hublin

Hubl.in is a free and open source video conference solution.

HumHub

HumHub

HumHub is a free social network software and framework built to give you the tools to make teamwork easy and successful.

Let's Chat

Let's Chat

Self-hosted chat for small teams that ships with killer features such as LDAP/Kerberos authentication, a REST-like API and XMPP support.

Mastodon

Mastodon

Mastodon is a free, open-source social network.

Mattermost

Mattermost

An easy to use multi-channel webchat solution for small and large groups.

Mumble Server

Mumble Server

Mumble is a low-latency voice chat software that provides excellent audio quality and is perfect for gaming.

Openfire

Openfire

Openfire is an efficient and lightweight real time collaboration server that helps you to build your own IM network.

RainLoop

RainLoop

RainLoop Webmail is simple, modern and fast email solution.

Rocket.Chat

Rocket.Chat

Prepare to take off with the ultimate chat platform and experience the next level of team communications

Roundcube

Roundcube

Roundcube is a webmail solution with an application-like user inteface that's easy to install and configure.

Zulip

Zulip

A powerful open source group chat software.

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