ZipGenius 6.0.2.1060
Freeware
Complete file compression suite that's both free and easy to use, plus it supports more than 20 formats of compressed archives, inlcuded RAR, ARJ, ACE, CAB, SQX and the excellent 7-zip. Note the Suite edition contains additional files, themes and modules.

Requires: Windows 98SE, 2000, Me or XP

update
FastStone Image Viewer 2.28
Freeware
Image browser, viewer, converter and editor with an easy to use interface and a nice array of features that include resizing, renaming, cropping, color adjustments, watermarks and more. It also includes an intuitive full-screen mode that provides quick access to EXIF information.

Requires: Windows 98SE, 2000, Me or XP

Cobian Backup 7.4.0.323
Freeware
Multi-threaded program that can be used to schedule and backup your files and directories from their original location to other directories/drives in the same computer or other computer in your network. FTP backup is also supported in both directions (download and upload).

Requires: Windows 98SE, 2000, Me or XP

Encrypted FTP 3.3.0.143
Freeware
As well as key FTP features, which enable you to download and upload files from the Interfnet, EFTP incorporates strong RSA encryption which encodes every command from the client and server, even before user authentication occurs.

Requires: Windows 98SE, 2000, Me or XP

SyncBack Freeware 3.2.9
Freeware
Regular back up of your important files is essential, as you never know when you might have a system crash. Bckup and synchronise to the same drive; a different drive or medium (CDRW, CompactFlash, etc); an FTP server; a Network; or a Zip archive.

Requires: Windows 98SE, 2000, Me or XP

PowerBatch 6
Freeware
120 x 95 screengrabBatch-converts, resizes, renames, rotates, adjusts, prints out your watermarked photos, and makes AVI out of your images. Supported image formats are JPEG, TIFF, GIF, BITMAP, PNG and JPEG2000. Resizing can use one of 11 example filters.

Requires: Windows 98SE, 2000, Me or XP

 
Xara