progress - Linux tool to show progress for cp, mv, dd, ... (formerly known as cv).
pv - Pipe Viewer - is a terminal-based tool for monitoring the progress of data through a pipeline.
smenu - Terminal utility that reads words from standard input or from a file and creates an interactive selection window just below the cursor. The selected word(s) are sent to standard output for further processing.
cheat - cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.
face_recognition - The world's simplest facial recognition api for Python and the command line.
fpp - PathPicker accepts a wide range of input -- output from git commands, grep results, searches -- pretty much anything.After parsing the input, PathPicker presents you with a nice UI to select which files you're interested in. After that you can open them in your favorite editor or execute arbitrary commands. http://facebook.github.io/PathPicker/
fuck - Magnificent app which corrects your previous console command.
hn - Browse Hacker News like a haxor: A Hacker News command line interface (CLI).
httpie - As easy as HTTPie /aitch-tee-tee-pie/ 🥧 Modern command line HTTP client – user-friendly curl alternative with intuitive UI, JSON support, syntax highlighting, wget-like downloads, extensions, etc. https://httpie.org
zenith - sort of like top or htop but with zoom-able charts, CPU, GPU, network, and disk usage.
zoxide - A smarter cd command. Supports all major shells.
ansiweather - Weather in terminal, with ANSI colors and Unicode symbols
nb - CLI plain-text note-taking, bookmarking, and archiving with encryption, filtering and search, Git-backed versioning and syncing, Pandoc-backed conversion, and more in a single portable script. https://xwmx.github.io/nb/
nvm - Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions.
shellfire - A repository of namespaced, composable shell (bash, sh and dash) function libraries. Takes aware the pain of shell scripting, making it robust and reusable. Includes secure curl usage, JSON, XML and Debian control file parsers, dependency documentation via attributes, and more. Batteries ARE included.
takeover.sh - Wipe and reinstall a running Linux system via SSH, without rebooting. You know you want to.