Zulip : Powerful slack-like open source group chat
Garage : An open-source distributed storage service you can self-host to fullfill many needs.
Feedbin : Feedbin is an open source web based RSS reader. It provides a user interface for reading and managing feeds as well as a REST-like API for clients to ...
CryptPad : CryptPad is the Zero Knowledge realtime collaborative editor.
Encryption carried out in your web browser protects the data from the server, the cloud ...
Mailtrain : Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). Mailtrain supports subscriber list management, ...
Astuto is a free, open source, self-hosted customer feedback tool. It helps you collect, manage and prioritize feedback from your users.
Rocket.Chat : Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
It is a great solution for communities and companies ...
Zulip : Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conve...
Riot : Riot allows teams to communicate across a wide range of collaboration apps. If some team members use Riot while others use IRC, Slack or Gitter, Riot ...
Astuto : Astuto is a free, open source, self-hosted customer feedback tool. It helps you collect, manage and prioritize feedback from your users.
Matrix : Matrix is an open standard for decentralised communication, providing simple HTTP APIs and open source reference implementations for securely distribu...
Fider is an open platform to collect and organize customer feedback. By using the platform, your community can share, vote and discuss on ideas they have to make your product or company even better.