A calculator which shows interest per month and total.
Built in 2 hours

Check it out. It is downloadable and Open Source.
Built in 2 weeks plus research

Move files from one server to an another as easy as 1,2,3.

7-Zip - A program for Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.

Open Office - A great program with slide presentation, spreadsheet, text editor, and more

OSWD (Open Source Web Development - Great site for free templates.

Template Monster - Greate site for getting ideas for awesome templates or finding and buying one if needed.