Download .AIR package (must have Adobe AIR installed - click above to install it)
Update 28/05/08 - v1.2 works with the latest version of AIR
Twinja is an amazing online application that empowers you with the functionality of Twitter.com from your desktop! It's easy to use and works on both Mac & PC. Download by clicking on either of the links above and get Twinja-ing!!
Features:
Automatic login (remembers your login details)
Built to run on AIR, Apple Mac & PC (mobile version coming soon)
Send messages & replies direct from your desktop
Automatic URL & User recognition
Quickly view Public/Personal/Featured timelines
Double click each message to reply
Click on the 
to FOLLOW a user
Use Twitter's normal syntax (such as d user message) etc
Resize vertically to fit your desktop surroundings
Automatically checks for new messages every 2 minutes
Re-login feature for multiple users 
If you have any questions please contact:
Quick Start Guide:
Download Twinja from one of the links on the left.
Install the application, then login using your Twitter screen name and password. You can now Twitter away to your heart's content. Some quick tips for you:
To send a direct message:
Type in 'd user message' to send a direct message. Replace user with the username of the person you wish to send a message to, and then type your message (140 max chars).
(ie. d vanillabrand hello there)
To reply to a message:
Double click on the message you want to reply to, or type in @user message.
(ie. @vanillabrand this is a reply)
Follow a user (become their friend):
Click on the icon to automatically follow them). To remove friends please visit your twitter.com account.
Twinja built by James Rowley @ Rapier (biffer@biffcom.com). Thanks to Twitter for the use of their AS3 API, and to famfamfam for the icons. Any support queries to biffer@twinja.com. The team at Twinja accept no resposibility for any loss of data or hardware due to viruses or otherwise - all software has been virus checked before distribution.