Imo is a free, simple,secure and faster international video call & instant messaging app.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad




Olvid is described as 'The most secure messaging app in the world' and is a instant messenger in the social & communications category. There are more than 100 alternatives to Olvid for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Olvid alternative is Signal, which is both free and Open Source. Other great apps like Olvid are Telegram, Element, Matrix and Tox.
Imo is a free, simple,secure and faster international video call & instant messaging app.




Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.




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.




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Android keyboard for secure E2EE communication through the signal protocol in any messenger. Communicate securely and independent, regardless of the legal situation or whether messengers use E2EE.




The most secure and anonymous messenger, encrypted with Blockchain.




Offers real-time chat with friends, supports group messaging, organizes contacts by favorites and categories, enables media sharing with GIFs and videos, provides customizable notifications, allows invite links, and is accessible on desktop or mobile for gaming sessions.




Quantum-resistant encrypted messaging, video/audio calls, and file transfers in the browser with optional registration and no downloads required.


