The most popular alternative is Telegram, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to WhatsApp so hopefully you can find a suitable replacement. Other interesting WhatsApp alternatives are Signal (Free, Open Source), Element (Freemium, Open Source), Wire (Free Personal, Open Source) and Tox (Free, Open Source).
- Telegram is a messaging app with a focus on speed and security. It’s superfast, simple, and free. It is like SMS, but more powerful.
- Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or attachments...
- A free instant messaging and collaboration software based on the Matrix protocol.
- Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure...
- Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
- An instant messaging app that provides online text message and video chat services.
- Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!
- Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group!
- Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers...
- Secure, fully featured, and completely free video conferencing.