PhotoJoy is a free app that uses your own photo collection to create dynamic
desktop wallpaper, screensavers, and desktop widgets.

TweetMyPC is a free Twitter application that can shut down your PC remotely and/or perform a range of commands as soon as you send it a tweet. Other commands include restarting your PC, downloading stuff to your PC, and even sending files to you from your PC – all based on your tweets. TweetMyPC v2.0 is multiplatform (Windows/Mac).

[Editor’s note: this review was contributed by blogger Ishan of ILoveFreeSoftware.com].

This posting will describe how to change your default system browser on Windows XP to a portable version of Mozilla Firefox using a free program called DefaultBrowser, doing so reversibly and without installing the non portable version. The same process described here could be used to change your default browser to any portable (or non portable) browser.

[Editor’s note: this posting was contributed by Freewaregenius reader Elioz Hefer; to whom I offer my extreme thanks and gratitude].

STDU Viewer is a free, all-around edocument and ebook reader that supports PDF, Deja-Vu (DJV), Comic Book Archive (CBZ, CBR), TIFF, Text, and XPS documents. It offers a good range of functions including a tabbed interface for multiple document views, a powerful search function, user defined actions for double-clicking on any of the four quarters of the screen, navigate by thumbnail preview, bookmarking, and versatile layout/zooming options.

PhotoFilmStrip is a free program that can create video from images quickly and easily, including the Ken Burns style zoom-in/zoom-out effect commonly used in documentaries. Other features include the ability to add subtitles, add a soundtrack, and use black and white/sepia versions of your images. PhotoFilmStrip is multiplatform (Windows/Linux).

FileSeek is a free desktop search program that can search file and folder names as well within file contents. It performs searches efficiently, on-the-fly and does not pre-index your drives or constantly spend PC resources tracking changes on your hard drive. Most importantly, it supports regular expression queries as well as multiple filters for inclusion and exclusion of files and folders. It integrates into the Windows right-click context menu.

COMBO (2 times loop) is a collaborative animation made by animation artists "Blu" and David Ellis. What is unique about this animation is that where animation usually takes places on paper or inside a computer screen, this animation is physically created and/or hand-drawn inside an actual physical environment, on the walls and in the spaces of an actual building (click-into this posting to watch the video).

Jaangle (previously Teen Spirit) is a free media/music player that provides an excellent user experience. It offers online integration (automatically downloads and displays artist information and artwork from the net) as well as full-fledged, integrated audio tag editing for every imaginable audio format.

JacksonPollock.org is a free flash toy that simulates the "action painting" style of American abstract expressionist painter Jackson Pollock.

There are many ways to check RSS feeds. Two of the most popular are using a local RSS client (such as RSSOwl) and using a web-based reader (such as Google Reader). This posting will present nine interesting (and at times unusual) free ways to check RSS feeds, including using dekstop widgets (KlipFolio), RSS feeds as tabs on the side of your screen (Stick), RSS feeds within a dockable desktop area (SideSlide), as desktop sticky notes (Note Mania), embedded in your desktop wallpaper (Chaos Wallpaper), as news-tickers scrolling across your screen (EasyDeskTicker), and delivered as emails in your inbox (FeedMyInbox).

Viewer2 is a free image viewing and tagging app that combines form and function into a powerful program that is a joy to use. It offers an innovative tagging process based on organizing image thumbnails and folders visually and grouping them in various ways that make it very easy to work with and tag them. Includes a powerful, versatile search function that indexes metadata as well as filenames and paths.

HideOutlook is a small, free Outlook extension that minimizes Outlook to the system tray instead of the taskbar. It also enables right-clicking on the HideOutlook icon in the system tray to start common tasks such as creating new emails, notes, appointments, tasks, etc. For Outlook Express use HideOE, a sister extension that performs the same function.