Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Linphone
Open Source
Linphone is a free voice over IP (VoIP) service and SIP client.
ChatSecure
Open Source
ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.
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 …
Mumble
Open Source
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
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…
Threema
Commercial
Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.
Wickr
Free
Wickr is an instant messenger application.
Compare Tox with alternatives
Compare BlackBerry Messenger and Tox and decide which is most suitable for you.