I have come across several shell scripts that are very very interesting.
First off are the scripts that make using fzf really useful:
github.com
github.com
Then the ones for when you are writing a shell script:
github.com
Ones that can help you from making a mistake using a terminal command:
github.com
github.com
While not pertaining directly to shell script tmux-plugins:
github.com
github.com
cheatsheets:
Tmux Cheat Sheet & Quick Reference
Vim Cheat Sheet
Cheatsheet for nano
Cheat.sh: the only cheat sheet you need
tldr-pages/tldr: Collaborative cheatsheets for console commands
Another useful item is Onelinerhub
github.com
github.com
First off are the scripts that make using fzf really useful:
GitHub - atweiden/fzf-extras: Key bindings from fzf wiki
Key bindings from fzf wiki. Contribute to atweiden/fzf-extras development by creating an account on GitHub.
GitHub - lincheney/fzf-tab-completion: Tab completion using fzf
Tab completion using fzf. Contribute to lincheney/fzf-tab-completion development by creating an account on GitHub.
Then the ones for when you are writing a shell script:

ShellCheck – shell script analysis tool
ShellCheck finds bugs in your shell scripts
www.shellcheck.net
GitHub - anordal/shellharden: The corrective bash syntax highlighter
The corrective bash syntax highlighter. Contribute to anordal/shellharden development by creating an account on GitHub.
Ones that can help you from making a mistake using a terminal command:
GitHub - kaplanelad/shellfirm: Intercept any risky patterns (default or defined by you) and prompt you a small challenge for double verification
Intercept any risky patterns (default or defined by you) and prompt you a small challenge for double verification - GitHub - kaplanelad/shellfirm: Intercept any risky patterns (default or defined b...
GitHub - nvbn/thefuck: Magnificent app which corrects your previous console command.
Magnificent app which corrects your previous console command. - GitHub - nvbn/thefuck: Magnificent app which corrects your previous console command.
While not pertaining directly to shell script tmux-plugins:
GitHub - tmux-plugins/list: A list of tmux plugins.
A list of tmux plugins. Contribute to tmux-plugins/list development by creating an account on GitHub.
GitHub - tmux-plugins/tpm: Tmux Plugin Manager
Tmux Plugin Manager. Contribute to tmux-plugins/tpm development by creating an account on GitHub.
cheatsheets:
Tmux Cheat Sheet & Quick Reference
Vim Cheat Sheet
Cheatsheet for nano
Cheat.sh: the only cheat sheet you need
tldr-pages/tldr: Collaborative cheatsheets for console commands
Another useful item is Onelinerhub
GitHub - Onelinerhub/onelinerhub: Thousands of code solutions with clear explanation @ onelinerhub.com
Thousands of code solutions with clear explanation @ onelinerhub.com - GitHub - Onelinerhub/onelinerhub: Thousands of code solutions with clear explanation @ onelinerhub.com
GitHub - Onelinerhub/shellhub: Shell utility to search onelinerhub directly from terminal (and executing commands if needed)
Shell utility to search onelinerhub directly from terminal (and executing commands if needed) - GitHub - Onelinerhub/shellhub: Shell utility to search onelinerhub directly from terminal (and execut...