IBM Plex by IBM Corp.

IBM Plex popularity

Downloads from api.npmjs.org, stars and forks from GitHub, checked Oct 22, 2026. How the Gid Score is calculated.

- IBM Plex (Fonts). Open-source typeface family (Sans, Serif, Mono, Condensed, Math) with multi-script support, released under the SIL Open Font License. Price: free; commercial use OK; no credit needed.
  Connect: npm @ibm/plex-sans.
  Get files: Download the zip files from the GitHub releases page, or npm install per family under the @ibm scope (@ibm/plex-sans, @ibm/plex-serif, @ibm/plex-mono, @ibm/plex-math and regional variants).
  Not allowed: Neither the Font Software nor any of its components may be sold by itself
  Not allowed: No modified version may use the Reserved Font Name without written permission
  Not allowed: Keep the copyright notice and OFL text with copies
  Rule: Keep the copyright notice and OFL license text with any fonts you ship.
  Rule: Do not sell the font files by themselves.
  Rule: Do not use the Reserved Font Name "Plex" for a modified version.
  Rule: Distribute the font files, original or modified, only under the OFL.
  License: https://github.com/IBM/plex/blob/HEAD/LICENSE.txt (checked 2026-10-12; details: https://agentgid.com/assets/ibm-plex/)

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

License

Connect it to an agent

Use it in your stack

npm install @ibm/plex-sans

font-family: 'IBM Plex Sans';

Pricing

Sources

Read on Oct 12, 2026: ibm.com/plex, github.com/IBM/plex/blob/HEAD/LICENSE.txt, github.com/IBM/plex.

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