Nushell

Bash

gnu.org

Popular

The default Unix shell and scripting language for automation, CI and ops glue.

Zsh

zsh-users/zsh

Popular

Bash-compatible interactive shell with powerful completion and globbing; default on macOS.

PowerShell

PowerShell/PowerShell

Popular

Cross-platform object-pipeline shell and scripting language from Microsoft; standard for Windows automation.

Oh My Zsh

ohmyzsh/ohmyzsh

Popular

Community framework for managing Zsh configuration with hundreds of plugins and themes.

fish

fish-shell/fish-shell

User-friendly shell with autosuggestions and syntax highlighting out of the box; rewritten in Rust for 4.0.

Starship

starship/starship

Popular

Fast, minimal, infinitely customizable prompt that works across bash, zsh, fish, PowerShell and more.

Powerlevel10k

romkatv/powerlevel10k

Legacy

Very fast Zsh prompt theme; still widely installed but on limited support, so Starship is preferred for new setups.

tmux

tmux/tmux

Popular

Terminal multiplexer for persistent sessions, windows and panes; essential for remote server work.

Zellij

zellij-org/zellij

Rising

Batteries-included terminal workspace and multiplexer with discoverable keybindings, layouts and WASM plugins.