Tunes - Tuneflow

Windows/Mac/Linux (with Adobe Air): TweetDeck—most popular Twitter client among Lifehacker readers—just released an update to version 0.33, bringing with it more support for viewing media inline without opening a page in your browser (including YouTube videos and Flickr images) and a nice new column navigation tool. Sound good?

Windows/Mac/Linux (AIR): Say what you will about newspapers, but the old gray ladies are laid out for quick reading. Cross-platform app (and webapp) Readefine breaks any site or feed into column-split articles and easy access jumps to other posts.

Windows/Mac (Adobe AIR): Desktop widget application Snippage displays snipped portions of web pages as widgets on your desktop, so you can keep your eye on your to-do list, email, or anything you'd like.

Windows/Mac/Linux (with Adobe AIR): Note-taking application Scribbly lives in your system tray and lets you quickly write notes or reminders to yourself, and then will email them to you with a single click.

Windows/Mac/Linux: Adobe is offering up a "prerelease" of its inescapable Flash software, adding in GPU acceleration for H.264 video in Windows, multi-touch support, and bug fixes. Anyone with Adobe AIR apps can also grab a 2.0 prerelease of that platform.

Windows/Mac/Linux (Adobe AIR): We've written about a lot of desktop clients that are essentially site-specific browsers (SSBs), but free AIR client Google Tasks helps you consolidate your clients by allowing access to most Google apps in mobile form.

Adobe AIR: If you'd like to keep quick access to your Google Voice voicemail and SMS messages handily in place on your dock or taskbar, a cross-platform app gives you exactly that by packaging up Google Voice's mobile site.

Windows/Mac/Linux: Doit.im is a free, attractive, cross-platform task management application built on the principles of productivity guru David Allen's Getting Things Done. It syncs to the web, it's easy to use, and soon it'll sync to your phone, too. (Click the image above for a closer look.)