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IBM
plex
CSS2017–2025
IBM / plex

plex

The package of IBM’s typeface, IBM Plex.

28Distinct people
29Mentions
1Explicit recommenders
11.8KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

The package of IBM’s typeface, IBM Plex.

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

As much as I appreciate the tiny serif for lowercase L and numeral 1 to differentiate l I and 1, I am not the biggest fan of the capital I glyph without the horizontal serifs.…

sneela used a recommendation phrase. One indexed comment matches. This is a phrase match, not a verdict.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 1:49:46 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year29 dated mentions

Observed mentions: 2017-11-08 09:29:53 UTC to 2025-12-30 15:14:54 UTC.

02462017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 6 mentions; 1 submissions, 5 comments20172018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 7 mentions; 1 submissions, 6 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 5 mentions; 1 submissions, 4 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments20212022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 4 mentions; 0 submissions, 4 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2025

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC615
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC716
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC514
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC000
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC202
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC404
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC303
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC101
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC101

What Hacker News says

29 sources
sneela·Dec 30, 2025Recommendation phrase
As much as I appreciate the tiny serif for lowercase L and numeral 1 to differentiate l I and 1, I am not the biggest fan of the capital I glyph without the horizontal serifs. It's my biggest design gripe with most sans-serif fonts as it makes it FRUSTRATINGLY difficult to differentiate when looking at words by themselves. Is that lota or Iota? Is that iodestone or lodestone? Both real examples where I fumbled reading them -- once in front of a class :) This is why my favorite sans-serif typeface has been (and will always be) IBM Plex Sans [1]. It's an open font [2]. I have all my laptops and desktops set to using the IBM Plex typefaces, including browser overrides. If only there were a way to do it system-wide on my Android phone... [1]: https://www.ibm.com/plex/ [2]: https://github.com/IBM/plex/blob/master/LICENSE.txt Preview: https://f
Read the rest
In Public Sans – A strong, neutral typeface
I'd love to hear if anyone has other alternatives. I'm finding myself in a similar place as you do. I found on the About and Terms pages a few software projects listed, which the author claims are what powers Slimvoice: - https://www.blender.org - https://www.gimp.org - https://golang.org General tech ^ and libraries: - https://github.com/aymerick/douceur - https://github.com/jung-kurt/gofpdf - https://github.com/lib/pq - https://github.com/qiangxue/fasthttp-routing - https://github.com/valyala/fasthttp - https://github.com/valyala/quicktemplate - https://github.com/bamiaux/rez - https://github.com/MithrilJS/mithril.js And lastly, fonts: - https://github.com/rsms/inter - https://github.com/IBM/plex - https://github.com/weiweihuanghuang/Work-Sans Aggregated from from: - https://slimvoice.co/about - https:
Read the rest
//slimvoice.co/terms Copied URLs just in case those pages go kaput.
In Ask HN: Slimvoice Alternative?
Do the variations of letter glyphs have unique names? Like the curly vs simplified versions of lower case 'a' and 'g'? I greatly prefer the simplified glyphs for programming. Like IBM's Plex. https://github.com/IBM/plex Adobe's Source Code Pro uses curly glyphs for the normal typeface and simplified for italics, which seems backwards to me. https://fonts.adobe.com/fonts/source-code-pro I can't quickly refind the customizable font project with source code, where you recompile the typeface with the options you want.
In The Inter typeface family

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