These are all experimental, but don't worry: viruses not included!
Utilities
Copy Path to Clipboard
"Copy Path to Clipboard" in the context menu of Windows Explorer
A command line application that adds a "Copy Path to Clipboard" to the context menu of Windows Explorer to copy the path of a file whose context menu is invoked.
External IP Checker
Detect external IP Changes using ipify
Check if your External IP has changed after a certain amount of time.
Winhoc
Create Ad-hoc networks in Windows 8 (requires administrator permission)
Minecraft last login decoder/recovery
Decodes the login credentials stored by the minecraft launcher
BlackScreen
A Java App that makes your screen black (Windows only)
Android applications still in devlopement!