The most popular alternative is Telegram, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to Signal so hopefully you can find a suitable replacement. Other interesting Signal alternatives are Element (Freemium, Open Source), Jitsi (Free, Open Source), Tox (Free, Open Source) and Wire (Free Personal, Open Source).
- ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly owned by the Russian "mail.
- Message and video chat with your friends and family for free.Features- Make high-quality video and voice calls on Android and iPhone
- Utopia P2P Ecosystem. Utopia is a feature-rich platform that is specifically designed to protect privacy of communication, confidentiality, and security of personal data.
- Dialog Messenger is a customized self-hosted platform usable across multi operation systems simultaneously. dialog provides SDK tools for client interface as well as for server.
- Kik is way more than just messaging. It’s the easiest way to connect with your friends, stay in the loop, and explore – all through chat. No phone numbers, just pick a username.
- Kontalk is a secure instant messenger, allowing you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users completely...
- Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.
- What does it do:* Send/receive chat messages* Create/change conversations (rename, add people)* Leave/delete conversation* Notifications
- Love iMessage on your iPhone? You'll love it on your Mac, too. Messages lets you send unlimited messages to anyone on a Mac, iOS device, or Apple Watch.