avt is a collection of command line tools for aviation. They allow you to get METARs, TAFs, sunrise and sunset, and geo info, and decode IATA/ICAO airports, airline codes, aircraft tail codes, and aircraft names.
G-2 attempts to make the git commandline a friendly place. It eases the learning process by providing guidance and high-level commands.
A tool that renames, moves, and copies files using an expression.
A self-describing data abstraction for multidimensional data.