KakaoTalk is a phone number based messenger service that allows users anywhere in the world to chat one-to-one or in a group for free. (no SMS service)
South Korea
MOMO BOARD let you instantly create your own community message board from mobile app or desktop website for free. It combines message board, chat and cloud storage (10 Gb) into one seamless application for efficient community communication.
United States
Tinfoil Chat (TFC) is a FOSS+FHD peer-to-peer messaging system that relies on high assurance hardware architecture to protect users from passive collection, MITM attacks and most importantly, remote key exfiltration.
United States
Phoner provides business owner, sales people, lawyers, doctors, police officers and others with a second phone number to protect their identity and also gives the convenience of multiple phone numbers on one device.
United States
Safe, Fast And Decentralized Messenger.
Zangi Private Messenger is a decentralized messaging app with a focus on security and low data usage.
Austria
EU
Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be used as softphone on stationary and mobilecomputer devices attached to anlogue or digital (ISDN) subscriber lines and as SIP client.
PhonerLite is.
GermanyEU
Vietnam
Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy
yaxim Feb 7th, 2013 yaxim (Yet Another XMPP Instant Messenger) is a Jabber/XMPP client with open source (GPLv2). Why pay for text messages if you …
GermanyEU
QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...
FranceEU
The third-party Telegram android app. Contribute to NekoX-Dev/NekoX development by creating an account on GitHub.
