Best 10 Free software solutions for techies

Best 10 Free software solutions for techies
pfsense – Awesome Free firewall
freephoneline – Free Canadian Telephone line
Google Voice – Free VOIP from Google.
Jing – capture basic video, animation, and still images, and share them on the web.
WinSCP – open source free SFTP client and FTP client for Windows.
ESXi – (Free VM Host)
KeePass – (Password Manager)
MRemoteNG – (Swiss Army Knife for Remote Connections)
DropBox – Online File storage and Sharing
Pydio – (your own hosted DropBox-type solution)
DeltaCopy – (rSynch for Window)