Dapper lets you share your iTunes and Mac music with your digital audio players easily.
AirMore allows you to transfer files between your iOS/Android devices and your computers easily.
OnionShare helps you share confidential files securely and anonymously.
If you’ve been looking for a Tox client, Toxygen has got all the bells and whistles for you to access all the Tox services on your computer.
WinSCP is a free and open source FTP client with tons of features for Windows.
Android File Transfer allows you to transfer files between your Android device and your Mac.