An easy guide showing you how to get youself a custom twitter badge. You can also download the source files for the custom twitter badge for free.

This week Nettuts published a screencast on how to use PHP to parse through RSS feeds and display data from them. At the same time I also noticed that this fix

Build a Twitter mash-up in four lines of code? That’s all you need, according to this tutorial, to get the latest public timeline updates from Twitter into Flash.

A tutorial showing how to create a Twitter client for Android (i.e. how to make XML-over-HTTP calls)

Twitter API libraries are available for most popular programming languages, and they're opening up new possibilities for publishing information.

Building Your Own Twitter Client with Fluid and jQuery

This is an ActionScript 3.0 library for accessing Twitter’s APIs. This was originally code from Twitter, but it is being open sourced so that it can be maintained and kept current

QTwitLib is currently in a functioning stage, which allows a user to make calls to the library, which in turn makes POST/GET requests to Twitter and returns a message and status code for the action request.

A Java wrapper around the Twitter API

JTwitter is a small library providing easy access to the Twitter API. Set and get your status, manage your network of friends, message friends, etc