I'm a sysadmin in a research center at the MBL. My hobby and career are computers.I have some modest software projects on this site...
This program ties into Mac OS X Services and uses Growl. It will tell you how many characters you have on your clipboard after applying an optional filter.
This program was written for Sue Huse for OS X 10.5, possibly. I believe it still works but I haven't tried it in a really long time. There is a readme in the DMG image that contains a lot of information about it.
This is basic shopping list software for Android devices. I use this every weekend so it still gets attention. The webpage describes it in more detail.