i.Mage is a small and fast graphics editor with a bias towards pixel editing. It supports basic image operations such as rotate, flip, invert, blur, greyscale, simple scripts, etc.

DTaskManager is a Task Manager replacement aimed at filling the holes left by the native Windows Task Manager as well as 3rd party replacements. It features 3 different ways to kill processes, the ability to suspend and reactivate processes, and batch termination of processes.

FastStone MaxView is a fast and compact image viewer that supports all major graphic formats, including BMP, JPEG, JPEG 2000, GIF, PNG, PCX, TIFF, WMF, ICO, TGA etc. It also supports digital camera RAW formats, including: CRW, CR2, NEF, PEF, RAF, MRW, ORF and DNG. Features includes lossless JPEG rotation, slideshow with 150+ transitional effects and background music, detailed image information including EXIF metadata etc.

Q-Dir is a quad-pane file explorer that is capable of displaying 4 Explorer panes simultaneously. It supports favorites, file/color filtering, export to XLS/CSV/TXT/HTML, screen magnifier, quick preview etc.

TrueCrypt creates virtual encrypted disks within a file and mount it as a real disk. It can also encrypt an entire hard disk partition or a device, such as USB memory stick, floppy disk, etc. It supports a full range of encryption algorithms, including AES-256, Blowfish (448-bit key), CAST5, Serpent (256-bit key), Triple DES, and Twofish (256-bit key). Note that 64-bit-block encryption algorithms (Blowfish, CAST-128, and Triple DES) is deprecated from V4.3 onwards.

Blender is an integrated 3D creation software suite. It lets users create high quality 3D graphics, movies and replay real-time, interactive 3D content. XBlender is a portable wrapper for Blender that writes settings to the application folder instead of the Windows registry.

An alternative portable wrapper for Blender is available here.

SiteShoter is a small utility that allows you to save a screenshot of any Web page into a file. It automatically creates hidden window of Internet Explorer, loads the desired Web page, and than save the entire content of the Web page into an image file (PNG, JPG, TIFF, BMP or GIF). You can use SiteShoter in user interface mode, or alternatively, you can run SiteShoter in command-line mode without displaying any user interface.

Process Monitor combines the features of FileMon and RegMon. It displays both file system and registry activities in real-time. Additional features includes non-destructive filtering, comprehensive event properties such session IDs and user names, reliable process information, full thread stacks with integrated symbol support for each operation, file logging etc.

Autoruns shows you which programs are configured to run during system bootup or login, and shows you the entries in the order Windows processes them. These programs include ones in your startup folder, Run, RunOnce, and other Registry keys. You can configure Autoruns to show other locations, including Explorer shell extensions, toolbars, browser helper objects, Winlogon notifications, auto-start services, and much more. Autoruns goes way beyond the MSConfig utility bundled with Windows Me and XP.