SmartKeys lets you assign keys to tasks that you repeatedly perform.
Though it's not quite as powerful as the similar program
[QuicKeys][1], SmartKeys will also let you use keyboard assignments
for launching applications.

First DL is version 3.3.1
Second DL is version 3.2
Third DL is version 3.0
Fourth DL is version 2.1

Compatibility

  [1]: http://macintoshgarden.org/apps/quickeys-353