HootSuite

TweetMyPC uses the Twitter network instead of the SMS network to relay command messages to your PC. You install the tiny application, give it the credentials of a Twitter account …

Twitux is a GTK+ Twitter client.

Twhirl is a social software desktop client, based on the Adobe AIR platform. Can connects to multiple Twitter, laconi.ca, Friendfeed and Seesmic accounts. Shorten long URLs (using bit.ly, snurl, twurl …

Twitter client by Opera software which can be used as a standalone application on Windows platform. Requires Opera browser to install the application.

Seesmic connects you wherever you are. Keep up with all of your personal and professional networks, anywhere, anytime.

Twitter Mobile ClientSite. Working functions: replies, directs, search, geomap, tweetlocal, local events. A good alternative to Twitters own mobile site.

So, you work at a big corporate, huh? And you're not allowed to use Twitter... Wouldn't it be awesome if there were a Twitter tool that looked just like Excel?

TweetTwain is a platform to monitor and manage multiple social media accounts. Some of the features are: Geo targeted marketing Brand Awareness Real time Brand Monitoring Auto-reply Keyword Targeting ...

A very polished application to manage multiple Twitter-accounts on your mac. This native OS X application is an offspring from the very popular iPhone version with the same name. There …

twiRy is a twitter Web App to search for your or your close friends. twiRy can be used to check that with whom your friends or someone you are interested …

Control certain aspects of your computer with your Twitter account. This program supports custom commands and even allows you to send a screenshot of your pc to your mobile device. …

A new, easy to use and beautiful Twitter client for your Mac.

TwitterPod is a Twitter client with message store capability. It allows you to search messages easily, and post updates quickly with a tiny window. TwitterPod has a SmartDrawer to display …

Hotot, is a lightweight & open source microblogging desktop client for Twitter and Identi.ca, coding using Python language and designed for Linux. Features Multi/single column view The program...

Tweed is the next-generation Twitter client designed from the ground up for the Palm® Pre™ and Palm webOS™. Why Palm WebOS? When we saw the Palm Pre for the first …

Pwitter is a simple and elegant Twitter client for Mac, that is written in Cocoa. The application runs on only Leopard at the moment. Small and unobtrousive

Pino is Twitter and Identi.ca client for Linux desktop (actualy, for any OS, that has X11). Its simple and fast. Pino is written in Vala language and compiled to the …

Love twitter and love tweeting from your mobile device? But dont want to get dinged for updates and double dinged for friend updates continually arriving via SMS? Tiny Twitter is …

Osfoora for Twitter is a fast and clean twitter client that gives you easy access to all of twitter's functionalities. Osfoora features an elegant and clean Home screen that lets …

Streamie is a full realtime Twitter client that runs in your web browser. New tweets will appear in your timeline immediately when someone posts them to Twitter.

A twitter client for the Windows Mobile platform with

Mustard is the first full-featured statusnet (like identica) client application for Android. It has many features like attachments, geolocation and avatar update. It supports tags, groups and public...

Skimmer is an Adobe AIR desktop application designed to streamline, beautify, and enhance the experience of participating in your most frequently used social networking activities. It improves upon day-to-day...

Sprout Social is a social media management platform used by leading companies across the globe to increase the efficiency of their social marketing efforts, community building and customer support via …

MarketMeSuite for Scheduling Tweets, Branded Twitter Stream, Reply Campaigns, Follow & Unfollow Users Tool, Automatic RSS Tweeting & Much More