Mattermost is described as 'Self-hosted platform for chat, workflow automation, voice calls, screen sharing, AI-powered features, third-party integrations, and team messaging' and is a very popular Group Chat app in the social & communications category. There are more than 100 alternatives to Mattermost for a variety of platforms, including Web-based, Android, iPhone, Windows and Mac apps. The best Mattermost alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Discord. Other great apps like Mattermost are Slack, Stoat Chat, Zulip and Rocket.Chat.
Open source encrypted group-chat platform focused on privacy and efficiency, featuring Rust-based backend for speed, customizable interface, minimal data collection, real-time messaging, community-driven improvements, and ergonomic design for various use cases.
RemoteHQ is revolutionizing collaborative browsing for teams with our Remote Browser, a multiplayer cloud-based browser.
RelayBeam is a messaging platform with an innovative multi-port feature for enhanced communication.
Get more done – with Grape (also called ChatGrape). Grape is an European Business-Messenger with an On-Premise and Cloud solution. It is GDPR compliant and prioritizes data security and safety.
AstraChat is a standalone and lightweight Jabber (XMPP) client application for mobile and desktop that connects directly to your XMPP server without any proxies in-between.
This simple Matrix client written in Python allows you to send and receive messages and files, verify other devices, and interact with your Matrix account or other Matrix users in many ways. You use it from the terminal (CLI) or integrate it into other simple Python programs.
Circuit collaboration software improves teamwork by bringing voice, video, screen-share, messaging, and file sharing together into a single platform with one unified view.
A Collaboration workspace that acts as a virtual office for remote workers and distributed teams. Provides features like chat, voice channels, screen sharing, meeting rooms & task management and more.
PrivMX Fusion is safe and easy collaboration software for all kinds of teams, with virtual workspace protected by end-to-end encryption. Each team uses desktop/laptop client software and its own (zero-knowledge) PrivMX Team Server.
The future of Team collaboration. Secure. Cross platform. Manage Teams, Groups, Private & Public Channels. Invite. Meet. Work. Automate with over 700'000 Apps. Built-in Webinar & Webmeetings. Available as PrivateCloud or On Premise. Decentralized.
Cardinal is a team communication and knowledge management platform that avoids negative motivations like fear of missing out and hero syndrome and instead helps teams build efficient and effective communication through using the right tool for the job.
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