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.

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!

Free Facebook Chat / Facebook Messenger! Chat for free with all your Facebook friends with BeejiveIM for Facebook Chat! Free!

Free Edition
This app only works with phones that have root/super user access (e.g. the Development Phone). This app tethers your cell phone's Wifi internet connection to your PC. The connection between your phone and PC is a bluetooth PAN connection. Please visit http://www.androidactivity.com/tetherBlu.html before installing!
This is the Free version which will only work if you have a wifi internet connection on your phone. If you want to tether the cell internet connection try the Premium version.

Free Yahoo Messenger! Chat for free with all your Yahoo buddies with BeejiveIM for Yahoo Messenger! Free!

Seamlees, Free SMS to Afghanistan, Pakistan, Iran, Saudi Arabia, Kuwait, Spain, UK, and Sri Lanka using your built in messaging application

Wire a new way of communicating!

Free Google Talk / GTalk instant messenger! Chat for free with all your GoogleTalk buddies with BeejiveIM for Google Talk! Free!

This is a perfect app for you to make video calls and chat with new people!

Voip One Click keep your full privacy making FREE ENCRYPTED VOIP CALLS!

Save your battery and stay always connected to your preferred Hotspot.

Turn your PC Webcam into a security camera, use it at home, office, store, shop, watch your baby, your pet and so on, or spy camera.

OlimpoGay is an application which helps gay, Bisexual and curious people to meet more people. Find dates, flirt, chat and make new friends with this exclusive gay application.

yaxim - Yet Another XMPP Instant Messenger

yaxim (Yet Another XMPP Instant Messenger) is a Jabber/XMPP client with open source (GPLv2). Why pay for SMS if you can have unlimited messaging on your data plan?

yaxim aims at security, low overhead and keeping your server connection open. So far, it only supports a single account.

Yaxim is Open-Source. You can contribute too!

Shocked by your latest roaming phone bills?
ChooseMyNetwork is a free app that rates the World's Mobile Operator networks.

Choose My Network helps you to lower your international mobile phone bills and get the best quality of service abroad.

Our personal freedoms and liberties are at stake. This free web proxy browser app allows you to unblock websites or get around blocked websites from rules imposed by your employer, school, library, government, phone carrier, and other authorities. Surf the web while remaining completely anonymous. To enjoy all these benefits, make a request via this dedicated browser, our proxy server fetches the URL link for you, then sends it back to you!

A web-based SMS marketing application integrated with Google Apps and Android phone. Low cost yet feature-rich, ideal for small businesses and individual professional service providers. Details at our product page.

Stop spending money on SMS and MMS!!

Imsy allows you to message your friends for free. Invite your friends & get started. Have lightning fast, real-time chat with friends.

That's not all! Get Birthday reminders for your social network friends, see exciting content like Breaking news, Cricket scores, cartoons & more in your Inbox everyday, post status messages to Facebook, Twitter.

India Helpline is a one spot application holding contact numbers and e-mail id's of more than 700 plus support providers all together in several sectors.

SafeKidZone allows you to:

-Alert friends & family by call, text and email
-Connect to 911 with precise, GPS location
-Connect to live 24/7 Call Center for assistance
-Get help, when and where you need it