Twitterfall!

TweetDeck aims to evolve the existing functionality of Twitter by taking an abundance of information i.e twitter feeds, and breaking it down into more manageable bite sized pieces. From a poster's point of view, it supports shortening URLs by a couple of different services, posting and hosting images at different sites, and scheduling tweets to be posted even if you're offline.

Uvibo is a twitter visualization dashboard.

Tweetdeckr is an open source TweetDeck replacement client.

"Tweet It!" is designed with every single Windows device in mind. From phone with touch screen to desktop PC with mouse and keyboard you'll have great expirience. And Continuum support for pleasant PC like Twitter browsing when you are away from it.

Aeries is a powerful Twitter client exclusively for Windows. Aeries has been designed to make using Twitter easier than ever, all packaged together in a slickly designed app. Fall in love with Twitter again through the power of Aeries.

Fenice is a full-featured Twitter app for Windows designed to offer the best Twitter experience to every user (pro or casual ones).