# Katagami Mono vs IBM Plex Mono

Both are free monospace fonts under the SIL Open Font License, and each is part of a larger family.

## Comparison table

|  | Katagami Mono | IBM Plex Mono |
|---|---|---|
| Designer | Kevin Liu | Mike Abbink, Paul van der Laan, Pieter van Rosmalen |
| Foundry or publisher | Self-published by Kevin Liu | IBM, with Bold Monday |
| First released | 2026 | 2017 |
| License | SIL Open Font License 1.1 | SIL Open Font License 1.1 |
| Free for commercial use | Yes | Yes |
| Weights | 100 to 700 | 100 to 700 |
| Italics | Not yet | Yes |
| Variable axes | wght | wght 100 to 700 (variable release, 2026) |
| Scripts | Latin, Greek, Cyrillic and box drawing, 3,283 characters | Latin, Cyrillic |
| Notable features | Code ligatures in dlig that are off by default, disambiguated 0 O 1 l I, box drawing | Dotted zero with a slashed alternate, an italic after the IBM Selectric |

## Download and web setup

> Handgloves 0123456789

Download it from the [download page](https://katagami.kevinliu.studio/download), or link `katagami.css` and set the family. [Font-ify](https://katagami.kevinliu.studio/convert) shows any website in Katagami Mono.

```html
<link rel="stylesheet" href="https://katagami.kevinliu.studio/fonts/katagami.css">
```

## Questions

**Is Katagami Mono free for commercial use?**

Katagami Mono is free for commercial use. It is released under the SIL Open Font License 1.1, which allows use in commercial and non-commercial products.

**Is IBM Plex Mono free for commercial use?**

IBM Plex Mono is free for commercial use under the SIL Open Font License 1.1. Check the license at https://www.ibm.com/plex/ before you ship it.

**Sources**

- https://katagami.kevinliu.studio/katagami-mono
- https://github.com/google/fonts/blob/main/ofl/ibmplexmono/METADATA.pb
- https://github.com/IBM/plex/releases

The sources were checked on 2026-10-16.

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Source: https://katagami.kevinliu.studio/compare/katagami-mono-vs-ibm-plex-mono