security tool

IP address mapping tool.

Kanji learning tool featuring flash cards and testing modules.

Terminal-based bitcoin and litecoin mining tool.

Elegant and efficient project management tool.

Powerful batch image processing tool.

A tool to find duplicate files on your computer.

Graphical interface to the Unix whois tool.

A color conversion tool for industry-standard hue matching.

GUI for the Unix find command-line tool.

Official Google Music upload tool; store 20,000 songs for free.