https://github.com/c4spar/cliffy

A TypeScript-first, runtime-agnostic command-line toolkit for building complex CLIs — featuring a command framework, argument parser, interactive prompts, tables, ANSI utilities, and more.
https://github.com/c4spar/cliffy

ansi-escape argument-parser cli cli-cursor cli-framework cli-table command-line deno prompt prompts typescript

Last synced: 2 days ago
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A TypeScript-first, runtime-agnostic command-line toolkit for building complex CLIs — featuring a command framework, argument parser, interactive prompts, tables, ANSI utilities, and more.

• Host: GitHub
• URL: https://github.com/c4spar/cliffy
• Owner: c4spar
• License: mit
• Created: 2020-03-09T22:54:29.000Z (about 6 years ago)
• Default Branch: main
• Last Pushed: 2026-05-05T20:08:19.000Z (27 days ago)
• Last Synced: 2026-05-28T19:39:50.526Z (4 days ago)
• Topics: ansi-escape, argument-parser, cli, cli-cursor, cli-framework, cli-table, command-line, deno, prompt, prompts, typescript
• Language: TypeScript
• Homepage: https://cliffy.io
• Size: 8 MB
• Stars: 1,154
• Watchers: 6
• Forks: 77
• Open Issues: 52
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • Contributing: CONTRIBUTING.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

Awesome Lists containing this project

• awesome-deno - cliffy - The complete solution for building interactive command-line tools. (Modules / CLI utils)

README

          


[![JSR Scope](https://jsr.io/badges/@cliffy)](https://jsr.io/@cliffy)

[![popularity](https://deno.land/badge/cliffy/popularity)](https://deno.land/x/cliffy)

[![Build status](https://github.com/c4spar/deno-cliffy/actions/workflows/test.yml/badge.svg?branch=main)](https://github.com/c4spar/deno-cliffy/actions/workflows/test.yml)

[![Code coverage](https://codecov.io/gh/c4spar/deno-cliffy/branch/main/graph/badge.svg)](https://codecov.io/gh/c4spar/deno-cliffy)

[![Discord](https://img.shields.io/badge/join-chat-blue?logo=discord&logoColor=white)](https://discord.gg/ghFYyP53jb)

**Cliffy** is a TypeScript-first, runtime-agnostic command-line toolkit for

building complex CLIs with [Deno](https://deno.land), [Node](https://nodejs.org)

and [Bun](https://bun.sh).

## Documentation

The [documentation](https://cliffy.io/docs) is available on

[cliffy.io](https://cliffy.io).

## Packages

| Package                                      | Description                                                                                                                               | Version                                                                           | Downloads                                                                                                                                                                                                 | Runtime             |

| -------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- |

| [ansi](https://cliffy.io/docs/ansi/)         | Chainable ansi _escape sequences_.                                                                                                        | [![JSR](https://jsr.io/badges/@cliffy/ansi/)](https://jsr.io/@cliffy/ansi)        | [![Total](https://jsr.io/badges/@cliffy/ansi/total-downloads)](https://jsr.io/@cliffy/ansi) [![Weekly](https://jsr.io/badges/@cliffy/ansi/weekly-downloads)](https://jsr.io/@cliffy/ansi)                 | _Deno, Node, Bun_   |

| [command](https://cliffy.io/docs/command/)   | Create _complex_ and _type-safe_ commandline tools with build-in _input validation_, _auto generated help_, _shell completions_ and more. | [![JSR](https://jsr.io/badges/@cliffy/command)](https://jsr.io/@cliffy/command)   | [![Total](https://jsr.io/badges/@cliffy/command/total-downloads)](https://jsr.io/@cliffy/command) [![Weekly](https://jsr.io/badges/@cliffy/command/weekly-downloads)](https://jsr.io/@cliffy/command)     | _Deno, Node, _Bun__ |

| [flags](https://cliffy.io/docs/flags/)       | Parse command line arguments (used by the _command_ module).                                                                              | [![JSR](https://jsr.io/badges/@cliffy/flags)](https://jsr.io/@cliffy/flags)       | [![Total](https://jsr.io/badges/@cliffy/flags/total-downloads)](https://jsr.io/@cliffy/flags) [![Weekly](https://jsr.io/badges/@cliffy/flags/weekly-downloads)](https://jsr.io/@cliffy/flags)             | _Deno, Node, _Bun__ |

| [keycode](https://cliffy.io/docs/keycode/)   | Parser ansi key codes.                                                                                                                    | [![JSR](https://jsr.io/badges/@cliffy/keycode)](https://jsr.io/@cliffy/keycode)   | [![Total](https://jsr.io/badges/@cliffy/keycode/total-downloads)](https://jsr.io/@cliffy/keycode) [![Weekly](https://jsr.io/badges/@cliffy/keycode/weekly-downloads)](https://jsr.io/@cliffy/keycode)     | _Deno, Node, _Bun__ |

| [keypress](https://cliffy.io/docs/keypress/) | Listen to keypress events with _Promise_, _AsyncIterator_ and _EventTarget_ APIs.                                                         | [![JSR](https://jsr.io/badges/@cliffy/keypress)](https://jsr.io/@cliffy/keypress) | [![Total](https://jsr.io/badges/@cliffy/keypress/total-downloads)](https://jsr.io/@cliffy/keypress) [![Weekly](https://jsr.io/badges/@cliffy/keypress/weekly-downloads)](https://jsr.io/@cliffy/keypress) | _Deno, Node, _Bun__ |

| [prompt](https://cliffy.io/docs/prompt/)     | Create _simple_ and _powerful_ interactive prompts.                                                                                       | [![JSR](https://jsr.io/badges/@cliffy/prompt)](https://jsr.io/@cliffy/prompt)     | [![Total](https://jsr.io/badges/@cliffy/prompt/total-downloads)](https://jsr.io/@cliffy/prompt) [![Weekly](https://jsr.io/badges/@cliffy/prompt/weekly-downloads)](https://jsr.io/@cliffy/prompt)         | _Deno, Node, _Bun__ |

| [table](https://cliffy.io/docs/table/)       | Create cli tables with border, padding, nested tables, etc...                                                                             | [![JSR](https://jsr.io/badges/@cliffy/table)](https://jsr.io/@cliffy/table)       | [![Total](https://jsr.io/badges/@cliffy/table/total-downloads)](https://jsr.io/@cliffy/table) [![Weekly](https://jsr.io/badges/@cliffy/table/weekly-downloads)](https://jsr.io/@cliffy/table)             | _Deno, Node, _Bun__ |

| [testing](https://cliffy.io/docs/testing/)   | Experimental helper functions for testing.                                                                                                | [![JSR](https://jsr.io/badges/@cliffy/testing)](https://jsr.io/@cliffy/testing)   | [![Total](https://jsr.io/badges/@cliffy/testing/total-downloads)](https://jsr.io/@cliffy/testing) [![Weekly](https://jsr.io/badges/@cliffy/testing/weekly-downloads)](https://jsr.io/@cliffy/testing)     | _Deno_              |

## Contributing

Any kind of contribution is welcome! Please take a look at the

[contributing guidelines](CONTRIBUTING.md).

## License

[MIT](LICENSE)