Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites.
It includes base CSS and HTML for typography, forms, buttons, tables, grids, navigation, and more.

RT @caniszczyk: want to hear about @twitter moving from Rails to the JVM? see @raffi's keynote at #oscon

An extremely hackable full realtime twitter client —
http://streamie.org

"Nexalogy recently participated in the 2011 Strata Making Data Work Conference.

Nexalogy's lexical map is a graphical representation of large text data sets. In this case, we have processed 4616 tweets containing the hashtags #strataconf or #stratconf from February 1 to February 7, 2011.

Each of the top 300 words in the dataset is represented here by a node. A node's size is proportional to the number of mentions of that word in the entire dataset. The links between the nodes indicate that they are semantically connected, and the closer they are together, the stronger the connection."

"a browser based client for Twitter."

SwiftRiver is a free and open source platform that helps people make sense of a lot of information in a short amount of time. The SwiftRiver platform was born out of the need to understand and act upon a wave of massive amounts of crisis data that tends to overwhelm in the first 24 hours of a disaster. Since then, there has been a great deal of interest in this tool for other industries, such as news rooms and brand monitoring groups.
In practice, SwiftRiver enables the filtering and verification of real-time data from channels such as Twitter, SMS, Email and RSS feeds. This free tool is especially useful for organizations who need to sort their data by authority and accuracy, as opposed to popularity. These organizations include the media, emergency response groups, election monitors and more. This might include journalists and other media institutions, emergency response groups, election monitors and more.

Twitter is now available via GNIP for non-display use: I like the "Twitter mentionhose"

Idiocy quietly watches for people insecurely visiting twitter on public wifi networks, then hijacks their session to post a tweet warning them about the dangers. It was written in response to the release of Firesheep, which will result in a huge increase in session stealing attacks, with no defence other than forcing people to use SSL.

"A python library for the Twitter API. OAuth, python 3, complete coverage, streaming API"

"BBC Research & Development has released Zeitgeist, a directory of the most shared BBC links on Twitter.

Tweets and stories are indexed by topic and location and can be filtered by time period to include only the last 24 hours or 7 days."

By now, it's clear that Twitter is not just a site. It's a protocol for asymmetric follow. It's a message bus for human attention. It's able to force every Twitter user to let it know when an interaction happens, simply by changing URLs.

fork of 'Simple Ruby client library for twitter streaming API. Uses EventMachine for connection handling. Adheres to twitter's reconnection guideline.'

Twitoaster is a Twitter web application that threads and archives your conversations in real time, bringing you all the context and statistics you need to improve the way you communicate with your followers.

A CSS animated Twitter Fail Whale (in Chrome or Safari)

ThinkTank

Mapping the Demographics of American English with Twitter - this will be a very rich area for academics #twitter

An Early Look At Twitter Annotations Or, "Twannotations" - by @parislemon

Yes, @Bill_Romanos, I do like this tool.

Undercover persuasion by tech industry lobbyists: lobbying on #twitter (via @AlecJRoss via @kateatstate on FB)