TEDtalks for HanDBase - includes links to watch individual TEDTalks. TEDTalks features the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes). This site makes the best talks and performances from TED and partners available to the world, for free
Tinychat for iPhone/iPad - Tinychat is a group video chat app for iOS devices. Enjoy chatting with your friends or making new ones, just create a chat room or join one. Tinychat makes it easy with up to 12 live cameras in each room and unlimited viewers
Twitter - Discover what’s happening right now, anywhere in the world with the official Twitter for iPhone application.
Realtime search, Top Tweets, trending topics and maps show whats happening now everywhere and nearby.
Tweet, send DMs, share photos, videos and links to your friends and the world
Kik Messenger (iPhone) is the totally free, crazy-fast cross-platform messenger application that connects you to your friends in real-time. Use Kik to chat, share pictures privately, plan outings with groups, and stay connected to the people who matter most to you
KakaoTalk for iPhone - KakaoTalk is a cross-platform messenger that allows users to send and receive messages including photos, videos, voice notes, and contact information through one-on-one and group chats internationally. It uses WiFi or your existing data plan (3G) to let you communicate with other KakaoTalk users for free
LINE for iPhone - LINE is a cross-platform messenger which allows you to keep in touch with friends and family anytime, anywhere. You can use LINE no matter what device you own: use the smartphone version while on the move, PC/MAC versions on your desktop, and a web-browser version for tablets
MXit is a multi platform instant messenger and multi-million user mobile social network, opening a world of possibilities on your iPhone. Connect, share and publish easily and effortlessly within one application.
Now with multitasking and media browsing, iPhone users can enjoy MXit while still using other applications. Get it now and join the conversation
imo instant messenger for iPhone - imo is a multiprotocol instant messenger which allows you to easily keep in touch with all your friends. It supports Facebook Chat, Google Talk, Skype, Windows Live Messenger (MSN), ICQ/AIM, Yahoo Messenger, Jabber, Myspace, Vkontakte.ru, Hyves, and Steam
Talk, chat & tweet on fring and other favorite social services including Skype, MSN Messenger, GoogleTalk, Twitter, Yahoo!, ICQ, AIM, all through one central profile, using your iPhone and iPod touch's internet capability
