Here´s a list of my favorite programming helpers:

• Testtool for Regexes in C#/.NET http://sourceforge.net/projects/regextester/
• FTP-Program: https://filezilla-project.org/
• Network-Monitor: http://www.wireshark.org/

Here´s a list of my favorite Windows helpers:

• Find duplicate files: http://www.anti-twin.com/