Directory
Explore Secure Communication resources in Privacy & Security.
Signal is a messaging application focused on privacy. Its source page describes end-to-end encryption via the open source Signal Protocol, and support for text, voice messages, photos, videos, GIFs, files, voice and video calls and group chats. It is described as free, with no ads or trackers, and as an independent nonprofit.
Encrypted messenger built on decentralized routing for private chats without phone numbers.
Distributed communication app for encrypted calls, messages, video, and file sharing.
Communicate with an Android messaging app designed for resilient private communication.
Cabal Club is a code project with source, releases, documentation, or setup notes.
A comparison site that evaluates secure messaging apps from a security and privacy point of view. It lists apps such as Signal, Threema, Wire, Telegram, and Facebook Messenger, and covers whether each is recommended, company jurisdiction, transparency reports and suggested improvements.
Berty is a nonprofit project building a privacy-first peer-to-peer messenger on the Wesh network. Conversations use end-to-end encryption in a distributed network, with messaging over Bluetooth Low Energy that needs no network connection. Data is stored only on the device, and the software is described as forthcoming and open source.
Cabal is a chat platform for friends and communities that works offline. Devices in a cabal communicate directly with each other rather than through a server, and users can read history and write messages offline, syncing later. Cabals use secret joining keys, have channels for topics, and rely on subjective moderation by users.
Delta Chat is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
Linphone is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
qTox is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
SimpleX Chat is a private and encrypted messenger without any user IDs. Users make a private connection via link or QR code to send messages and make calls. Every contact and group is stored on the device rather than in a server's database, and anyone can run servers. From v6.2 the app supports business addresses for customer communication.
Status is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
Tox is a free, open-source instant messaging application that connects users without anyone else listening in. It offers instant messaging, voice and video calls, screen sharing, file sharing and group chats. The network is distributed with no central servers, made up of its users, and everything is encrypted using open-source libraries. Tox is free software and comes without advertising.
Cwtch is a decentralized, privacy-preserving, metadata resistant messaging app. Communication is end-to-end encrypted and takes place over Tor v3 onion services. Participants can host their own safe spaces or lend infrastructure to others. The protocol is open, and anyone is free to build bots, services and user interfaces.
Ricochet Refresh is an open-source project to allow private and anonymous instant messaging. It is a peer-to-peer messenger app that uses Tor to connect clients, creating a Tor hidden service on the computer. The project updates the original Ricochet software and is compatible with Tor Onion Services v3.
Stickers is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
Messenger-Matrix is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
The OG nostr client for iOS
Conduit is a chat server powered by Matrix, described by its project as simple, fast and reliable. The GitLab project hosts the server source code and links to the Conduit website.
4x Ze4 is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
Ecosystem is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
En:public Servers is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
SecuChart is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
Details from each project's website. Open a listing for its full overview.
