Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Imo
Free
Imo free video calls and chat is a kind of Communication apps for Android.
LINE
Freemium
LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.
ICQ
Free
ICQ is an open source instant messaging software.
ChatSecure
Open Source
ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.
Threema
Commercial
Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.
Tango
Freemium
Tango is the messaging app with the best video calling. All messages and calls are free.
Sicher
Commercial
Sicher is a freeware instant messaging application for iOS, Android, and Windows Phone. Sicher allows users to exchange end-to-end encrypted text messages, me…
Wickr
Free
Wickr is an instant messenger application.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Linphone
Open Source
Linphone is a free voice over IP (VoIP) service and SIP client.
Wire
Free
Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser cl…
WeChat
Freemium
WeChat is a social media with instant messaging, commerce and payment services application.
iMessage
Free
iMessage is an instant messaging service.
Matrix.org
Open Source
Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with…
BlackBerry Messenger
Freemium
BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …
Google Duo
Free
Google Duo is a video chat mobile app available on the Android and iOS operating systems.
Compare Signal with alternatives
Compare BlackBerry Messenger and Signal and decide which is most suitable for you.