Nulana LTD (http://nulana.com) says NuKit, Launcher, and Shortcuts, their lightweight productivity applications, are all available on the Mac App Store for half price.
NuKit is a bundle of everyday tools to increase productivity and save time. Launcher is an utility that provides instant access to apps, search engines, scripts, Dictionary, and more. Shortcuts is a program that allows users to make their own keyboard shortcuts for everyday apps, frequent actions, files, and web sites.
All require an Intel-based Mac running Mac OS X 10.5 or higher. NuKit (US$9.99), Launcher ($4.99) and Shortcuts ($4.99) are available worldwide through the Mac App Store in the Productivity category.