Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft



Cryptocat is described as 'Chat with your friends, securely. Cryptocat is free software with a simple mission: everyone should be able to chat with their friends in privacy' and is a popular Encrypted Chat app in the social & communications category. There are more than 25 alternatives to Cryptocat for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best Cryptocat alternative is Signal, which is both free and Open Source. Other great apps like Cryptocat are Element, Matrix, Tox and Jami.



ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.



Off-the-Record (OTR) Messaging allows you to have private conversations over any instant messaging (MSN,Gtalk, Facebook and so on) by providing encryption, authentication, deniability, perfect forward...
Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.


Utopia P2P Ecosystem. Utopia is a feature-rich platform that is specifically designed to protect privacy of communication, confidentiality, and security of personal data. Utopia is a decentralized network, with no central server involved in data transmission or storage.




Technitium Mesh is a secure, anonymous, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. Primary aim of developing this instant messenger is to provide privacy which is achieved using cryptography and anonymity using Tor network.

GoldBug is a secure Instant Messenger. You can be sure with using GoldBug (GB), that no third party can look into your chat communication. Private user-to-user communication remains private. GoldBug therefore uses strong multi-encryption with different layers of modern...




Open source anonymous, registration free P2P chat. You communicate directly and no logs are saved on the server. Otr.to is browser based, which means that you don't need to install or ask somebody to install software.





Plugin enabling end-to-end encryption for instant messages on Pidgin using up to 4096-bit RSA with Mozilla NSS, automatic key creation, exchange, and storage, designed for simple use against man-in-the-middle attacks, open-source, and minimal setup required.
