Here's a bunch of old stuff that occasionally gets hits. It's all abandoned, it's all 16-bit (targeting Windows 3.1 or Dos 6).
I hereby place all of this under the WTFPL.
Address Bar for Calmira
Auto-completing path entry.
LFN to Description Converter
Copies long filenames to 4DOS descript.ion files.
Tries to be a universal 16-bit volume control.
Bitmap to icon converter
Converts bitmaps to icons, supports 8-bit and 24-bit bitmaps.
POP3 mailbox checker with notification of new mail.
Hides windows based on their title bar text.
DOS program that beeps the speaker.
Windows Corner Thing
Fake Windows 9x style caption buttons in Windows 3.1.
Disk space calculator
How much can I copy to this stack of floppies?
Make .url files work in Win3.1.
Open and close your CD drive.
Tries to unzip LFNs to SFNs with descript.ion.
Dos for Windows
Windows implementations of del, echo and copy to avoid actually running command.com.
Runs the autorun program on a CD.
Quick access to start/configure/disable the screensaver.
Run a program, hide its window.
Random/drag & drop wallpaper changing.
Mandelbrot deep zoom - until you hit the floating point limit...