Chalk bills itself as “Terminal string styling done right”.
Chalk is mature, reliable, and built to last.
This is free and open source software.
Key Features
- Easy to use composable and expressive API.
- Highly performant.
- Well-documented types.
- No dependencies.
- Styles – good selection of modifiers, colors, background colors with the ability to nest styles.
- 256 colors and Truecolor (16 million colors) on supported terminal apps. Colors are downsampled from 16 million RGB values to an ANSI color format that is supported by the terminal emulator.
- Auto-detects color support.
- Doesn’t extend String.prototype.
- Clean and focused.
- Actively maintained.
- Covers edge cases that smaller alternatives miss
Website: github.com/chalk/chalk
Support:
Developer: Sindre Sorhus, Josh Junon
License: MIT License

Chalk is written in JavaScript and TypeScript. Learn JavaScript with our recommended free books and free tutorials. Learn TypeScript with our recommended free books and free tutorials.
Related Software
| Terminal String Styling Tools | |
|---|---|
| Rich | Python library for rich text and beautiful formatting |
| Chalk | Bills itself as “Terminal string styling done right” |
| picocolors | Tiny and fast library for terminal output formatting |
| yoctocolors | Small and fast command-line coloring package |
| yachalk | Clone of Chalk written in Python |
| kleur | Node.js library for formatting terminal text with ANSI colors |
| colorette | Set your terminal text color and styles |
| sty | String styling for your terminal |
| termcolor | ANSI color formatting for output in the terminal |
| colored | Simple Python library for color and formatting in terminal |
| ansicolors | ANSI colors for Python |
| ansi-colors | Add ANSI colors to terminal text |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

