Prezto is the configuration framework for #Zsh; it enriches the command line interface environment with sane defaults, aliases, functions, auto completion, and prompt themes.
https://github.com/sorin-ionescu/prezto

GitHub - jtyr/gbt: Highly configurable prompt builder for Bash and ZSH written in Go.
https://github.com/jtyr/gbt

GitHub - akavel/up: Ultimate Plumber is a tool for writing Linux pipes with instant live preview
https://github.com/akavel/up

The TLDR pages are a community effort to simplify the beloved man pages with practical examples.

https://tldr.sh/

MyCLI is a command line interface for MySQL, MariaDB, and Percona with auto-completion and syntax highlighting.

https://www.mycli.net/

Go Bullet Train (GBT) - Highly configurable prompt builder for Bash and ZSH written in Go! Not only that it allows you to have beautiful and blazing fast prompt on your local machine but it also allows you to forward the prompt on any remote machine! Like that you can have the same-looking prompt via SSH, in Docker, Vagrant, MySQL or Screen and also via SUDO or SU!

You can get it here: https://github.com/jtyr/gbt
You can watch the demo here:

GitHub - nvbn/thefuck: Magnificent app which corrects your previous console command.

https://github.com/nvbn/thefuck

GitHub - orf/gping: Ping, but with a graph
https://github.com/orf/gping

prettyping is a wrapper around the standard ping tool, making the output prettier, more colorful, more compact, and easier to read.

http://denilson.sa.nom.br/prettyping/

Glances is a cross-platform system monitoring tool written in Python. Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, Mac OS and Windows operating systems.
https://github.com/nicolargo/glances
https://nicolargo.github.io/glances/

ShellCheck, a static analysis tool for shell scripts https://www.shellcheck.net

https://github.com/koalaman/shellcheck

The only cheat sheet you need - Unified access to the best community driven cheat sheets repositories of the world.

https://cheat.sh/

https://github.com/chubin/cheat.sh

scli: a simple terminal user interface for signal messenger (using signal-cli)
https://github.com/isamert/scli

ddgr – A Command Line Tool To Search DuckDuckGo From The Terminal

https://github.com/jarun/ddgr

A VIM-inspired filemanager for the console

https://ranger.github.io/

https://github.com/ranger/ranger

pv - Pipe Viewer - is a terminal-based tool for monitoring the progress of data through a pipeline.

http://www.ivarch.com/programs/pv.shtml

EXA - A modern version of ‘ls’.

https://the.exa.website/

https://github.com/ogham/exa

ffsend - Easily and securely share files from the command line. A fully featured Firefox Send client.

https://gitlab.com/timvisee/ffsend

@mathdatech ouais rigolo mais un peu lent.

@papey Is The Fuck too slow? Try the experimental instant mode! ==> https://github.com/nvbn/thefuck#experimental-instant-mode

@mathdatech Linux 2.2.20 genre y a 20 ans 😲

@mathdatech Wget already does that x)