Self-Hosted Dialog Messenger Alternatives
There are many alternatives to Dialog Messenger as a self-hosted solution if you are looking to replace it. The most popular Self-Hosted alternative is 
Element, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Dialog Messenger and many of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Dialog Messenger are 
Wire (Free Personal, Open Source), 
Matrix.org (Free, Open Source), 
Mumble (Free, Open Source) and 
Mattermost (Freemium, Open Source).
- A newly open sourced self hosted Slack like alternative for building persistent chat communities.
- Self-hosted chat for small teams.Features and Stuff BYOS (bring your own server) Persistent messages Multiple rooms New message alerts / notifications
- An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared through peers using the ZeroNet stack.
- eXo Platform is a Digital Workplace solution for enterprises. It helps people work together in a collaborative workplace.
- hack.chat is a minimal, distraction-free chat application.
- VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC that can provide communication features within your web browser.
- Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.
- TribeScale is a startup that aims to enhance teamwork in companies through the improvement of communication, coordination, and the pace on the basis of targets set.
- Open Source private chat server. Your own private Chat server in minutes, plus additional features. No credit card required.
A fast, secure and stable solution based on Rails. - Free software on-premises video conferencing server with strong UC capabilities and native apps for all major platforms.