Smoltok is still the favorite toy of many programmers. He is just beautiful! Take at least Method Finder: write what you have and what you need to get - the smoltok finds the methods by which this can be done :
Suppose we want to know when the programmer's day is this year. How to count? We need a method that will return the date 256 days of the year. We know that February 2 is 33 days. We are looking for a method: ')
Here he is. It's simple. Of course, no magic - just going through all the methods of the input objects. But this is so simple and so useful! And nowhere, except smoltok, no.