For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Restart Me - ReStartMe is designed to do one thing, and that is to restart processes.
Dropbox - Online Sync and File Sharing
Advanced Task Killer - This tool is also known as ATK. It is a tool to kill applications running.
Google Drive - Access and sync your files anywhere
ProcessKO - ProcessKO free download: Process killer software for Windows. Safe PC download for Windows 32-bit and 64-bit, latest version.
Mega - Secure File Storage and collaboration