There are several frequently used tools on the market for Windows GUI automation, such as AutoIt, AutoHotKey, Squish, and among others.
Let me introduce a powerful new tool Clicknium that is great for GUI automation for all types of applications, including Windows GUI, Web, SAP, JAVA as well as image recognition.
There are much clerical works in desktop client side which are repeatitive tasks, like filling forms, sending messages to multiple groups, manipulating ERP system etc. These operations cost much of employees' time, and automating these client side software to reduce human time in these operations is a good alternative.
There are some options to do the software automation, and I will introduce Pywinauto and Clicknium as below.