Gwibber. Twittaré. Turpial. Polly. Choqok. Pino. Qwit. Thanks to Ehtyar, now we have win32 builds of the latest version: The latest version of Qwit is 1.1-pre. If everything will be ok, it will become 1.1. This version has some minor bugfixes as well as experimental OAuth support for Twitter. Also, because of OAuth, this version depends on QOAuth ( which in turn depends on QCA. Binary archives contain everything needed, users, compiling Qwit from source will need appropriate libraries.
Latest version features: depends on Qt4 only; KDE native look; http-proxy support; userpics caching; clickable links in messages; public, replies, custom user timelines, search; caching messages between sessions; replies, retweets and direct messages support; customizable interface; twitpic support; customizable automatic update of all tabs; url shorteners support; multiple accounts support; identi.ca, aitu.kz and other twitter-compatible services support (not tested as much as needed); OAuth support.
Note. Prerequisites. Twitux.