Briar!

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS. WhatsApp Messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia and yes, those phones can all message each other! Because WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends.

Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.

FireChat introduces a new way to chat: "off-the-grid".Now you can chat with people around you – even if there is no Internet connection or mobile phone coverage.

Meet new people and find your friends on NickEgo, free chat without registration, your nick is your ego.

It works by using your phone's Wi-Fi to not communicate with other phones on the same network. Or even by forming impromptu networks Consisting only of mobile phones. Mesh communications is an appropriate technology for complementing cellular networks. Think of it like two-way radio or CB That has-been propelled into the 21st century. For truly long-range communications you will still need to make use of cellular or fixed telephone networks or the internet.This software Allows you to Easily make private phone calls, send text messages and share secure files in caves, in subways, in the Outback, in Australia or Africa, in Europe or the United States - Even When cellular networks fail or are unavailable.Also You can keep using your phone number on the Existing mesh, que is really important in a disaster When people are trying to get back in contact With Each Other. »

A New Way to Share and Connect, YO! is the off-grid messaging, sharing and content discovery app. Connect at high speeds without data or the Internet.

Near Peer is offline chat application which allows user to chat without internet within 100m range.

Text friends online and offline

Connect with those you know...No data or network? No worries..

VMC Next Messenger is an offline Messaging with the OITS Engine. Stay in touch when you're offline.

Chat wirelessly over Bluetooth Low Energy. No internet required.