Sheetsu (https://sheetsu.com) allows you to automate Google Spreadsheets and use them as a resource in a REST API. It's easier than using standard Google Spreadsheets API, because Sheetsu handles all the 'dirty' work for you.

Unofficial helpers and extensions for the Google Sheets V4 API

Easily convert CSV and Excel sheets to JSON

Google spreadsheet wrapper

A gem to fetch information from University of Sheffield LDAP server based on username or email address.

A Ruby wrapper for the Shelby Arena API -- a church management platform.

Another config and dotfile manager for unix environments

Shelike::Pipe offer an operator to behave like the pipe operator of the shell.

A ruby lib for transforming bash colors into html. Parses escape chars and outputs html.

Open a REPL inside any Ruby object

A simple caching proxy, like Varnish, but...not. And written in Ruby.

A small library to wrap popen3 for easier shell use.

DSL for shell scripts similar to Ruby's Shell class.

Ruby Shell Base Library Gem.

A ShellBox CLI to generate some patterns and templates

shell_command tries to provide a better interface for communicating with commands you spawn on the shell

Shelldon is an expressive DSL for build interactive command-line apps (REPLs)with minimal effort. It supports all kinds of fun features, like config/history management, error handling, subcommands, subshells, and more!

A small assortment of commands and params to kick-start a basic Shelldon app.

explainshell.com input from terminal

Shelley allows to convert your classes and method into a shell supporting nested commands, autocomplete and history.