Mattermost is described as 'Secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams' 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, Zulip, Stoat Chat and Utopia.
Conduit is a simple, fast and reliable chat server powered by Matrix. Conduit is an alternative to Synapse and tries to be lightweight and easy to install, but it is still in development.
Experience a new way to connect with your people online. Join an existing community space or launch your very own branded platform tailored to your audience.
Secure self-hosted platform unites private and group messaging, voice and video meetings, meeting recording, file transfer, issue tracking, screen sharing, remote control, and flexible permissions for on-premises collaboration in both corporate and personal use cases.
Mostlymatter is a fork of Mattermost meant to remove the users and messages limits. Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.
Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.
Priority Matrix software helps managers prioritize, focus, and work smarter. It allows you to seamlessly communicate team priorities and keep track of the moving parts of your projects, promoting accountability and clarity across multiple platforms.
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
kChat is a secure instant messaging for businesses, which makes it possible to discuss matters live and organise projects.
Kahla is a free and open-source, cross-platform business messaging tool that supports end-to-end encrypted message communication and automatic destruction of messages.
Your team's workspace that records & transcribes meetings automatically. Stork is a voice and video messenger with a powerful screen recording for asynchronous presentations. Fewer meetings & no missed meetings. PLAY IT BACK IN STORK.
AirSend is a simple collaboration space for professionals and small teams that brings all your conversations, files, notes, and to-do lists into one place so that you can get work done faster and easier.
It is cloud hosted and free
Almost everyone thinks AirSend is a great Mattermost alternative.
United States
India
Switzerland
easy to use, completely online and can create fully private channels with files, wiki and work items.