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 Stoat Chat, Slack, Zulip and Element X.
Real-time chat platform structured with threads, custom feeds, project tagging, and AI moderation. Provides privacy controls, instant file and code sharing, multiple viewing modes, moderator tools, light/dark modes, and unifies collaboration for organizations and communities.
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.
Chanty helps teams improve productivity and business communication. Unlimited message history, task management, file sharing and powerful notifications organize and save your day. Collaborate and communicate effectively in one place.
Mycelium (formerly Disclone) is a feature-rich, open source communication app and personal-collaborative hub (drive/notes...).
Slenke is an internal social network for your company to securely communicate, share files, manage projects, organize tasks, track time and more. View updates and keep track of whats happening at the workplace no matter where you are.
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.
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.
Circuit collaboration software improves teamwork by bringing voice, video, screen-share, messaging, and file sharing together into a single platform with one unified view.
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