Hack by Source Foundry

Open-source monospaced typeface for source code with regular, bold, italic and bold italic styles, plus web font files.

Fonts Open source

Website License

Price

Free

Free of cost; fonts are free for print, desktop, web and...

Commercial use

Yes

MIT License (Hack); Bitstream Vera License for the Vera-derived parts

Credit the author

Not needed

No credit needed

Agent access

Package (npm/PyPI)

Rules for your agent

- Hack (Fonts). Open-source monospaced typeface for source code with regular, bold, italic and bold italic styles, plus web font files. Price: free; commercial use OK; no credit needed.
  Connect: npm hack-font.
  Rule: Keep the LICENSE file (MIT and Bitstream Vera notices) with any copies of the font you distribute or ship.
  Rule: If you modify the font, rename it so the name does not contain "Bitstream" or "Vera".
  Rule: Do not sell the Vera-derived font software by itself; selling it as part of a larger software package is allowed.
  Rule: For web use, load from the jsDelivr or cdnjs CDN or self-host the woff/woff2 files.
  License: https://github.com/source-foundry/Hack/blob/HEAD/LICENSE.md (checked 2026-10-11; details: https://agentgid.com/assets/hack/)

Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.

License

License	MIT License (Hack); Bitstream Vera License for the Vera-derived parts
Commercial use	Commercial use OK
Credit	No credit needed
Inside your app or game	Can ship inside your app
AI training	Not stated
Bots and bulk downloads	Not stated
Rules	Keep the LICENSE file (MIT and Bitstream Vera notices) with any copies of the font you distribute or ship. If you modify the font, rename it so the name does not contain "Bitstream" or "Vera". Do not sell the Vera-derived font software by itself; selling it as part of a larger software package is allowed. For web use, load from the jsDelivr or cdnjs CDN or self-host the woff/woff2 files.

Connect it to an agent

MCP server	None found
API	No public API: download by hand
npm	`npm install hack-font`
GitHub	source-foundry/Hack

Pricing

Free	Free of cost; fonts are free for print, desktop, web and commercial use
Paid from	—
Usage price	—
Good to know	Added automatically: 17,367 GitHub stars. License read from the official pages.

Sources

Read on Oct 11, 2026: http://sourcefoundry.org/hack, github.com/source-foundry/Hack/blob/HEAD/LICENSE.md, github.com/source-foundry/Hack.

Not legal advice. Check the license page before you ship.

Alternatives to Hack

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Google Fonts Open-source font catalog with a Developer API for metadata, a CSS API and the Google Design MCP.	Free	Commercial OK No credit	MCP API
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Fira Code Free monospaced programming font with ligatures for common multi-character code sequences, released under the SIL OFL 1.1.	Free	Commercial OK No credit	npm
Fontsource Open-source fonts packaged as individual npm packages for self-hosting.	Free	Commercial: conditions Credit varies	npm
Fontshare Free fonts from ITF under the ITF Free Font License, with CSS embed and download.	Free	Commercial: conditions No credit	Download
Source Code Pro A set of open-source OpenType monospaced fonts designed for user interface environments, in several weights with italics.	Free	Commercial OK No credit	Download
Adobe Fonts Creative Cloud font library for web projects via Adobe-hosted embeds; not for embedding in apps.	Paid · on request	Commercial: conditions No credit	Download