Earthquake

Terminal-based Twitter Client with Streaming API support. Only supports Ruby 1.9 and later.

Free Open Source Mac OS X Windows Linux

TweetCaster

Accessing Twitter has never been easier on your Android, iPhone, or Windows Phone. TweetCaster supports multiple accounts, URL shortening, picture sharing, @replies...

Freemium Android iPhone Android Tablet iPad Windows Phone

Dabr

dabr is a mobile web interface to Twitters API An open source project by @davidcarrington with inspirations from @whatleydude Secure, storing your Twitter login...

Free Open Source Web Twitter

Tweetings

Tweetings is a Twitter client for Mac OS X with an extensive feature list including lists, exclusion filters, TwitLonger, GeoLocation and syncs your timeline with your...

Commercial

Twitux

twitux it's a free and open source gtk+ application for twitter.

Free Open Source Linux BSD

Tweetium

Tweetium is first and foremost designed to be quick and reliable. All B-side Software apps have a special focus on fundamentals like performance and reliability, and...

Commercial Windows Windows RT Windows Phone