The best open source Group Chat alternative to Matrix is Signal. If that doesn't suit you, our users have ranked more than 100 alternatives to Matrix and loads of them are open source Group Chat Apps so hopefully you can find a suitable replacement. Other interesting open source Group Chat App alternatives to Matrix are Element, Pidgin, Stoat Chat and Zulip.
An open-source messaging app emphasizing privacy with encrypted communication. Share texts, calls, photos, and videos without ads or trackers, available across major platforms. Developed by Signal Technology Foundation and praised globally for security measures.
Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.
Element is not an alternative to Matrix, it's a client for Matrix.
Element uses Matrix protocol, so it is a client to login to my Matrix account. Element is not an alternative to Matrix
Element is matrix homeserver and client not an alternative.
Pidgin is a chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time.
Instant messaging platform supporting text and voice channels, live video calls, secure screen sharing, private group chats, customizable permissions, moderation tools, bot integration, privacy-focused design, open-source development, and cross-platform use.
Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.
It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.
Open-source chat server supporting real-time group, direct, and private messaging, video calls, file sharing, helpdesk chat, API integrations, desktop notifications, emojis, LDAP authentication, cross-platform apps, and customizable extensions for teams.
Encrypted messenger supporting multi-platform access, unlimited group and private chats, file and voice message sharing, decentralized operation, open-source code, custom themes including dark mode, advanced moderation, push notifications, and no advertisements.
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
Peer-to-peer group chatting over Tor and IPFS, with local-first encrypted messaging and no central servers, offers privacy-focused decentralized collaboration for teams, supporting desktop and mobile. FOSS, open to contributors, and avoids surveillance-based tracking.
Matrix client supporting decentralized, secure chats with end-to-end encryption, open-source development, organized navigation for channels and DMs, minimal clutter, adaptive elegant interface, calm visuals, and continuous feature updates for private, modern messaging.
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Signal is not an open standard for decentralized communication. It's a messaging app, a secure messaging protocol, a non-profit foundation and it's open source too. But it's completely centralistic by design.