Cost / License
- Free
- Open Source (GPL-3.0)
Application types
Platforms
- Windows
- Linux
- Ubuntu Touch
- Snapcraft
- Flathub
- Flatpak
- Linux Mobile
+2
Zerion Alternatives
Zerion is described as 'Secure messaging app and encrypted vault designed for people who need private, anonymous, censorship-resistant communication' and is an app in the social & communications category. There are more than 50 alternatives to Zerion for a variety of platforms, including Android, Linux, Mac, Windows and iPhone apps. The best Zerion alternative is Signal, which is both free and Open Source. Other great apps like Zerion are Telegram, Element, SimpleX Chat and bitchat.
Alternatives list
Decentralized messaging client for Android, Linux and macOS allowing you to communicate with people or LXMF-compatible systems over Reticulum networks using LoRa, Packet Radio, WiFi, I2P, or any other medium Reticulum supports.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- F-Droid
Skred is the first secure peer-to-peer instant messaging app - No need for an email address or phone number to use it.
Skred is free, without subscription, without a provider, without a SIM card, and without leaving a trace.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Android
- iPhone
+2
+1
- Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.
signal-cli is a commandline interface for the Signal messenger. It supports registering, verifying, sending and receiving messages. signal-cli uses a patched libsignal-service-java, extracted from the Signal-Android source code.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Java
- Flathub
- Flatpak
Tinfoil Chat (TFC) is a FOSS+FHD peer-to-peer messaging system that relies on high assurance hardware architecture to protect users from passive collection, MITM attacks and most importantly, remote key exfiltration.
Cost / License
- Free
- Open Source
Platforms
- Linux
+9
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.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Docker
- Docker Hub
- Python
- Nix Package Manager
Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.
+3
WireMin is a decentralized network built by the people, for the people, and of the people. Enjoy full privacy and security with end-to-end encryption on a network without central servers. Your data stays under your control—free from censorship, surveillance, and exploitation.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
+2
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