Discord - is the only one cross platform voice and text chat-application, developed especially for gamers. This is an excellent solution for communicating with team members to see who plays online as well as have chance not to miss interesting conversations when offline
Walkie Talkie Push to Talk - Walkie Talkie style voice communications. Hold down the "Record & Send" button and speak. Message a group of people. History log allows re-play and reply to all. No SMS charges. No Talk Time Minutes See changes at http://hit-mob
IFTTT - is an application, which gathered all your favorite services in one place. Over 400 applications are compatible with this utility, including those especially popular: Twitter, Telegram, Google Drive, Twitch, Instagram, Gmail and e-mail. Moreover, you will see new services appearing in the application each week
Hangouts for Android - Hangouts is a cross-platform instant messenger that allows you to keep in touch with friends via one-to-one conversations, group chats and video calls
Android jChat is a Location Based Chat application that provides a good example of peer-to peer application aimed at proving the power of adding JADE agent capabilities to the ANDROID Platform
KakaoTalk Messenger - KakaoTalk is a phone number based messenger service that allows iPhone and android users anywhere in the world to chat one-to-one or in a group for free
uShout - The basic idea is that you can easily "chat" with other random users. You launch the app then you can write something in a text box and "shout it". The message gets uploaded and then you download a message that someone else has shouted out
TalkFaster! - is a handy tool for messengers which will help you speed up voice messages. With this application you can accelerate voice records from any app which supports file sharing. So you will not have to listen to tiring messages for a long time
