WhatsApp Messenger is a smartphone messaging app which allows you to exchange messages with your friends and contacts without having to pay for SMS. WhatsApp Messenger is cross platform and is currently available also for iPhone and BlackBerry. To send and receive messages, WhatsApp utilizes your existing smartphone internet data plan: 3G/EDGE (or Wi-Fi when available)
Nimbuzz - Enjoy free calls, free IM and all your social network friends in one place: Nimbuzz, MSN, Facebook, AIM, Google, Yahoo!, MySpace and more.
See who's online 24/7, send pics, music, voice messages and videos for free
SlickSymbian OS, Pocket PC, Series 60, Smartphone, AndroidVersion: 0.72 updated Upload date: 31 Jan 12 Tags: Internet & Communications
Freeware
Slick is messenger application for mobile phones. It allows you to chat with your friends connected though various online messaging applications.
Currently it is still in development, and alpha version is available for free for public testing
Mail.Ru Agent (S60) provides the ability to exchange instant messages between your friends, send free SMS to cell phones, share your photos and manage your Mail.Ru mailbox.
Mail.Ru Agent is used by over 11 million people is Russia and all over the world.
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Facebook Chat - Touch - Login to your Facebook Chat securely without using any intermediate gateway/server. Advantages are, you will not share your password and messages with any 3rd party as you do while using other IM clients, and also you ’ll not get any push advertisements
IMPlusSymbian OS, Series 60, BlackBerry, Android, iPhone, iPad, iPod Touch, Apple iPhone OS, JavaVersion: 8.6.1 Upload date: 18 Dec 10 Tags: Internet & Communications
Freeware
IMPlus Chat with award-winning IM+® within AIM®/iChat, MSN®/Windows Live™ Messenger, Yahoo!®, ICQ®, Jabber®, Google Talk™, MySpaceIM, Facebook® and even Skype™* regardless of location and mobile operator
IMPlus All-in-One Messenger ProSymbian OS, Pocket PC, Palm, Series 60, Series 80, Series 90, UIQ, BlackBerry, Win CE, Smartphone, Android, iPhone, iPad, iPod Touch, Apple iPhone OS, JavaVersion: 8.6.1 Upload date: 18 Dec 10 Tags: Internet & Communications
Shareware 0.00 $
Chat with award-winning IM+ Pro® within AIM®/iChat, MSN®/Windows Live™ Messenger, Yahoo!®, ICQ®, Jabber®, Google Talk™, MySpaceIM, Facebook® and even Skype™* regardless of location and mobile operator. Now with Twitter* support!
Mobile internet service & community that enables you to access & interact with your social networks on-the-go, make free calls and live chat with all your fring, Skype, MSN Messenger, Google Talk, ICQ, SIP, Twitter, Yahoo! and AIM friends
IM+ All-in-One Messenger- Chat within MSN® /Windows Live™, Yahoo!® , AIM®/iChat™, ICQ® , Jabber®, Google Talk™ and MySpace® messengers from your mobile device regardless of location and mobile operator.
No cost per message! Lifetime license: all further updates included
eBuddy is a free mobile messenger for Symbian s60 3rd and 5th edition devices.
Now UPDATED to v2.0.1!
With eBuddy, you can stay in touch with all your friends on MSN, Yahoo, Facebook, Gtalk, AIM and ICQ! You can chat with all your friends, everywhere