|java-twitter - Google Code|
This library provides a pure Java interface for the Twitter API. Twitter exposes a web services API (http://twitter.com/help/api) and this library is intended to make it even easier for java programmers to use.
|Scripting Twitter with Perl|
Twitter direct message with Perl and LWP (libwww-perl), for a much more convenient solution. I designed it to be used like a sort of universal paging service.
|Twittery - Ruby Wrapper to Twitter|
Twittery is a lightweight Ruby class that interfaces with Twitter's API to make interacting with Twitter simple as possible.
|Twyt - Python Interface to Twitter|
Twyt is a BSD licensed Twitter API interface for Python. It provides an interface to the remote Twitter API functions and classes to allow easy manipulation of the returned sets of data, such as status messages and user information.