I did search for an open source desktop client for twitter in a small size and many config options without requirements of extra installations such as Adobe Air and if possible without installer in a small compact simple GUI (User Interface). I do not put much emphasis on design but on the functionality. A friends gave me the right links: http://d.hatena.ne.jp/Kiri_Feather/searchdiary?word=*[Twitter] Requirements: * OS: Windows 2k/XP/Vista * .Net Framework 2.0 SP1(or later) Application Size about 1,5 MB Client of Twitter. Free software(GPL3) developer Twitter: kiri_feather Developer: Takeshi KIRIYA (http://www.takeshik.org/) Developer: Moz (http://iddy.jp/profile/moz/) Twitter, ソフトウェア, Tween Tween is the client program of twitter. Software requirements * OS: Windows 2k/XP/Vista * .Net Framework2.0 SP1(or later) Overview Not use twitter API, but get the html(/home,/replies,/directmessage) from twitter web page and scrape it. State is beta, so if you have any problems ...