How polluted is the air today? Check out the real-time air pollution map, for more than 100 countries.

GNU Typist (also called gtypist) is a universal typing tutor. You can learn correct typing and improve your skills by practising its exercises on a regular basis.

Translate Shell (formerly Google Translate CLI) is a command-line translator powered by Google Translate (default), Bing Translator, Yandex.Translate, and Apertium.

It can also be used like an interactive shell; input the text to be translated line by line. It can translate a file or a website, and has a text-to-speech feature.

This is really the first #cli-app listed here that is written in AWK :-)

The Odin programming language is designed with the intent of creating an alternative to C with the following goals: simplicity, high performance, built for modern systems, joy of programming.

The language borrows heavily from (in order of philosophy and impact): Pascal, C, Go, Oberon.

Niklaus Wirth and Rob Pike have been the programming language design idols throughout this project.