1, git: version control system, GPL , http://git.or.cz/
2, Android : Mobile development platform, Apache Licence, http://code.google.com/android/
3,samba: provided file and print services to all manner of SMB/CIFS clients, including the numerous versions of Microsoft Windows operating systems, GPL, http://www.samba.org/
4,WinSCP:SFTP client and FTP client for Windows, GPL,http://winscp.net