Clipboard and all-in-one system information for windows

Two useful free software to complete my list of windows utilities :

Ditto is a very useful Open Source clipboard:

- history of text copies, images, screenshots
- enable hot keys, network sync, etc

SIW is a freeware which stands for "System Information for Windows"

- no installation required (can run on a USB key)
- hardware informations, temperature sensors, license keys, process, etc, etc.