drun is a GTK run dialog box with tab completion and a simple UI. It supports common features as well as history, files, directories, URLs, and spelling correction. It was designed to be simple and fast, and be easy to use with keyboard input. It can be run with directory and file parameters to support integration with Nautilus and Thunar selections. It keeps a history of run commands to give ordered completions including parameters. It has configurable URL and directory handlers, and recursive tab completion.
geoipgen is an IP network tool for generating geotargeted lists of IP addresses using MaxMind's GeoLite Country database. It can randomly enumerate all IP addresses or a specified number of IP addresses in a particular country or a list of countries. For example, to get all IPs for Japan in a random order, use "geoipgen jp". For a sample of 10,000 IPs from Australia and New Zealand, use "geoipgen -n 10000 au nz".
Happy Phone Number provides easy methods to format phone numbers from your Rails models. Virtually any country specific format or convention could be supported, including national and international format. For the not (yet) supported countries, a general method using a simple mask is also provided.