OpenBeak (formerly known as TwitterBerry) is a BlackBerry client for posting updates to Twitter. It works over the data network, so you don't need to use SMS
Smoothie - Come join the Smoothie crowd for a great conversation or to meet someone new.
In the Blender, you can start a conversation with another random person also looking to chat. Specify who you want to talk to by setting age, gender, location and interests
Status Shuffler For Facebook - Status Shuffler lets you create, change, modify the Facebook status directly from your BlackBerry® device and even faster than changing it using the facebook application
HootSuite helps you spread messages, monitor conversations, and track results of your social networks, all from your handset.
Compose and converse on the go with HootSuite for BlackBerry. Simple, elegant and powerful, HootSuite allows you to send and schedule Twitter and Facebook updates from virtually anywhere
MocoSpace Chat, Mail, Blogs, Photos & More - Find friends, chat, mail, blogs, photos and more on one of the largest mobile communities in the world! Enjoy making new friends and staying in touch with old ones all from your Blackberry. Share photos, blogs and more today on MocoSpace
GroupMe Beta just got even easier with this clever BlackBerry® app. Start a group, add your friends, and we’ll give you a free phone number for it. Text the number and everyone gets your message, like a text chat room. Call it and you’re all instantly on a conference call. Repeat for all your real-life groups
BlogLive (BlackBerry) is a powerful mobile blogging application that BlogLive you to update your online blog directly from your BlackBerry. With BlogLive, updating your blog while you are on the go is as easy as writing an SMS. It runs on your BlackBerry and allows you to write new blog entries, publish them on your blog, and edit them afterwards or delete them
Twitter - Doing the things you love on Twitter® are made quick and easy using your BlackBerry® smartphone. With Twitter for BlackBerry smartphones, you receive a notification as soon as a Message or @Mention arrives – no matter which application you’re using
