Hyphanet (former Freenet) is free software which lets you anonymously share files, browse and publish "freesites".
Cost / License
- Free
- Open Source (GPL-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- Global
Matrix Alternatives
Matrix is described as 'Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Matrix for a variety of platforms, including Android, Web-based, Linux, Windows and Mac apps. The best Matrix alternative is Signal, which is both free and Open Source. Other great apps like Matrix are Telegram, Element, Discord and Pidgin.
Alternatives list
- 51 Hyphanet alternatives
153 Mattermost alternativesSelf-hosted collaboration platform featuring chat, workflow automation, voice and video calling, screen sharing, AI capabilities, broad third-party integration support, cross-platform apps, compatibility with Slack imports, and flexible deployment options for secure team communication.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- JavaScript
- Software as a Service (SaaS)
- Go (Programming Language)
- Cloudron
United States
+1
25 Armada alternativesOpen-source, end-to-end encrypted chat supporting decentralized, serverless communities and Concord. Features self-hosting, cryptographic login, encrypted text channels, threads, live voice and video rooms, compatibility with Nostr and other protocols, custom emojis, and GIFs.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Self-Hosted
- United States
+1
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.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Matrix.org
- Flathub
- Ubuntu Touch
- F-Droid
Switzerland
+4
Lightweight communication platform with unlimited channels, seamless voice and video, screen sharing, private file sharing, advanced task and calendar tools, robust privacy features, emoji and thread support, and multi-platform efficiency for gaming or team communities.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
+2
168 Rocket.Chat alternativesOpen-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.
Cost / License
- Freemium
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Self-Hosted
- Cloudron
- United States
+5
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].
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Android
- Android Tablet
- F-Droid
Germany
EU
+4
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.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Arch Linux
- Flathub
- Flatpak
- Linux Mobile
India
+1
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.
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- United States
40 XMPP alternativesXMPP, or Extensible Messaging and Presence Protocol, is an open standard for instant messaging and real-time communication, allowing for message exchanges between any two entities on the Internet. It's known for its decentralized and extensible nature.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Windows Phone
- Self-Hosted
51 Berty alternativesBerty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.
Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Linux
- Android
- iPhone
- Android Tablet
- iPad
France- EU
78 i2pd (I2P Daemon) alternativesI2P (Invisible Internet Protocol) is a universal anonymous network layer. All communications over I2P are anonymous and end-to-end encrypted, participants don't reveal their real IP addresses.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- F-Droid
- Raspberry Pi
- C++
- I2P
- Switzerland
