Tweetpreview is a cool Greasmonkey script which previews twitter updates as you type it in the text area.

You can see in the screenshot above, the preview of the tweet is displayed on top of the timeline as you type it. Tweetpreview also links to profiles, hashtags and the posted links.
As twitter shorts the links that are longer than 41 characters using bitly, this script will preview all long links to a dummy bitly link http://bit.ly/PrEV4
Hence, Tweetpreview is an essential greasemonkey script for the web interface of twitter. Install it from here.
Also see : A Magical Greasemonkey Script For Twitter Web Interface
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Good one . Any tool that can be used to post Future updates at twitter ? I mean scheduled updates entered manually. (By scheduled updates i don’t mean from an rss feed)
try http://www.tweetlater.com/
Well Hoosuite is a standard tool. I use it regularly to schedule manually written posts.
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