I hope you remember my first post on this topic 65 Twitter Application For Windows(Part I) and this is the rest of the list. Hope you enjoy and use it to fulfill your need.

• CloudBerry Twitter plug-in : CloudBerry Twitter plug-in helps you to post excerpts from the websites you visit with a click of the button and attach a short URL to the source page. Both IE and FireFox version is available.
• Twibble for the desktop is a twitter client built on top of the new Adobe AIR platform. It provides easy twitter access in a user friendly way.
• Twitter CLI – Easy to use Command Line Interface allows submitting tweets to Twitter from the Windows CMD Prompt or ‘Run’ box — by Jason Fowler.
• Twitsy – Twitsy is a open source, VB.NET Application which shows basic integration of twitter API and .NET Framework 2. — by rui(JumpByte)
• Twitter Gadget – A Windows Vista Desktop Sidebar Gadget that helps you keep track of all the sweet tweets! Fetches tweets from twitter.com and updates them every 10 seconds.
• Twitter Submitter – now available. For Windows 95/98/2k/XP (tested) Submit Twitterings to Twitter.com without using a web browser! Submit Private messages as well! (D username message)Kenneth Udut (simplify3@aol.com)
• TwitterIM — Get/post updates on twitter using your google chat account (gtalk). Works just like Twitter IM functionality which is currently disabled. Sends message to you on chat if you friends post updates. You can message it and it will update your twitter status. By itsfrosty.
• Twitteroo for Windows released on 13 March 07 (by RareEdge Design Group) – *new* features include font resizing, transparency, sound notifications, built-in URL shortening. Programmable API!
• TwitterYM – a tiny ruby script that updates your Yahoo Messenger status with your latest Twitter one (requires Windows and Ruby) – by Alex Brie
• Twittle – A lightweight Twitter client for Windows (XP, Vista). Clean un-cluttered UI written in WPF. Updates automatically. by Twittle.
• Visual Twit — a simple Twitter posting client for Windows — by Andy
• TwitTray — A minimalist approach to a desktop Twitter status updater. The program sits silently in your system tray until you want to update your Twitter status. Very tiny and written in old school bulletproof C++/MFC.
• Twtview : ‘pm’ lets you see your private messages, ‘u twittername’ will show any public users homepage.  For Win32. View all public timelines and personal timeline without needing web browser. Can be used at the same time as Twitter Submitter W32 to instantly see your submissions. Kenneth Udut
• WittyTweets — A cute Twitter client for Windows Vista and XP by Tweet Feeds
• Twitterlicious — Twitterlicious is a small app that makes using Twitter more fun. It handles all the hard work, leaving you to read and write tweets with the minimum fuss.
• Twessenger — a Twitter add-in for Windows Live Messenger 8.1. Sets your personal message to your latest tweet! — by Kunal Kundaje
• Twitter-Sync (Yahoo Messenger Plugin) – Keeps your Yahoo! Messenger status and Twitter in synchronization. Update your Yahoo! Status to create a new tweet. Your new tweets update your Yahoo! status. Also keeps track of your twitter friends from the main messenger window with alerts, pop-ups + more.
• TwittMe! – A new Twitter Windows Client 1.0.4. Updates itself directly without user input, keeping it always as bug free as possible. Will open source it when client it’s more feature complete.
• Twittget Twitter Vista Gadget, that features a small docked mode, a large float mode and Direct Messaging support.
• Twidget for Konfabulator/ Yahoo! Widgets Post from your desktop.
• Twitterlights — Twitterlights is an integrated feature of i-Lighter 2.1 allowing one-click tweeting and content saving with your mouse — all free!
• Witty — A Twitter client for Windows Vista and XP powered by the Windows Presentation Foundation (WPF) by Alan Le
• Twitterbox — Twitter client for Windows made with beon widget technology.
• Twitter It! – A Windows .NET Desktop Application created by Travis James.

More to come…Keep visiting.