gistfile1.txt

Things that were invented in Smalltalk:

OOP
WIMP GUIs: Windows, Icons, Menus and a Pointing device
IDEs
Interactive debugger
Image-based VM
Blocks/closures
Message passing
Class browsers
Refactoring
Design patterns
Extreme Programming/Agile
Unit testing
Test runner
Reflection/metaprogramming
Collections library
Dependency injection
Model-View-Controller
Open classes/categories