XMPP Jabber Client is a amazing free and open source client for android.

ChatS - Chat with your friends securely and secretly by self-encrypted communication.
Easy to use messenger tool that use encryption/decryption techniques to only send coded messages free via the web.
You chose the encryption key, stored encrypted on your device using a Password potentially stored nowhere, and that only you know.
Send the messages encoded, and decoded by a PasCode only you and your friend, the recipient, knows.

Language exchange where you speak with new friends in new languages, in minutes!

Free messages, Free Calls. Unlimited!
Nimbuzz Messenger combines the power of internet and smart phone messenger into one, and lets you make cheap international voice calls, send unlimited chat messages, share files on any mobile device across popular messengers. Nimbuzz Messenger is available on Android, iOS, Blackberry, Symbian, Java, Windows and Mac.

VIPole messenger strongly encrypts instant text messages, group chats, voice calls, video calls and files so that no third-party (even we as service provider) is able to listen to conversations or tap into a message or file. VIPole is a secure messaging app powered by strong encryption technologies that perfectly guard your privacy, sensitive private communications and files from prying eyes and surveillance efforts.

Application which you can talk about everything without being you !

Free Chat Rooms to chat with your friends on different themes

ringID is a Unified Social Networking Platform created to provide the most complete socializing experience for the users. It’s an ad free, integrated medium of free calls, chat, secret chat, newsfeed, stickers and other appealing features. As a user, you will love to discover the benefits of your ringID experience.

*** DO NOT DOWNLOAD IF YOUR PHONE IS NOT ROOTED ***

WhatsWidget are two Homescreen-Widgets for Whatsapp:

• WhatsWidget List Messages Widget
• WhatsWidget Online / Offline Toggle Widget

Put one or more WhatsWidgets on your home screen to see all your messages directly on your home screen.

Now it's easy to go offline if you don't want to be disturbed. Simply click on the Widget and the main app will disconnect from the server

IM+ keeps you connected to Facebook, Skype (as in-app purchase), GTalk, Yahoo, MSN/Live Messenger, AIM, ICQ, VKontakte, Yandex IM, Mail.ru Agent, Odnoklassniki, RenRen, Jabber, mig33, SINA Weibo, Mamba.Ru, MeinVZ, Gadu-Gadu and Fetion. No more SMS charges!

Communicate with mobile and desktop users securely via self-hosted IM server

QuickMSG is a secure messaging App.

Wimyne doesn't require internet connection, just work on your local wifi router..

Good jabber client for Android
- Manage roster
- View vCard
- Copy messages
- Notifications
- Indicators for new messages
- Chat State Notifications
- Subscribtion
- Bookmarks
- Group Chats
- File Transfer

A one touch app with features like

-> Calling
-> Messaging
-> Locating
-> Chating

with your partner and building your relationships stronger.

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Ignore your mother, talk to strangers.

Send and receive messages to and from random people who you don't know and who don't know you.

Chaatz is a Social Messaging Platform for everyday users who have more than 1 mobile number, or wishes to have more than one profile. Chaatz is the only platform that allows multiple profiles on a single device. Chaatz also gives the users access to a private profile using a very special Chaatz Number through which interactions, conversations and identities can be private and/or anonymous.

Unofficial client of Onet Czat - very popular chat in Poland.

Free Texting & Voicing, Voice SMS, Visual Voicemail & Missed Call Alerts

• - Ultra clear free voice calls you never experienced before.
• - Military-grade 256-bit secure call.
• - Unlimited free text, voice, picture messages to friends.
• - Simultaneous Web chat and call, available anytime at www.digisocial.com.
• - 10TB cloud history storage
• - Group chat with unlimited members.
• - World’s first app to share voice photos.
• - Available on iPhone, Android and PC/Mac.
• - NO ads and completely free, forever.