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Free alternatives toWumpus Mono Pro

Set in Pitagon Sans Mono, its closest free match

The closest free alternative to Wumpus Mono Pro is Pitagon Sans Mono, 75% alike by measurement, free from its open-source project. IBM Plex Mono and Adwaita Mono come next.

  • PaidVaughan Type
  • Measuredon vaughantype.com, 23 October 2026

The six closest.

  1. 01

    The quick brown fox jumps over the lazy dog. Typography is what language looks like.

    Pitagon Sans Mono

    75%

    Close matchOpen source · SIL Open Font License

    • 7% taller x-height
    • Same width
    • Same weight
    • Same stroke contrast
    Get Pitagon Sans Mono ↗
  2. 02

    The quick brown fox jumps over the lazy dog. Typography is what language looks like.

    IBM Plex Mono

    74%

    Same spiritGoogle Fonts · SIL Open Font License

    • Same x-height
    • Same width
    • A touch lighter
    • Same stroke contrast
    Get IBM Plex Mono ↗
  3. 03

    The quick brown fox jumps over the lazy dog. Typography is what language looks like.

    Adwaita Mono

    73%

    Same spiritOpen source · SIL Open Font License

    • Same x-height
    • Same width
    • Same weight
    • Same stroke contrast
    Get Adwaita Mono ↗
  4. 04

    The quick brown fox jumps over the lazy dog. Typography is what language looks like.

    Tabular

    72%

    Same spiritFontshare · ITF Free Font License

    • 5% taller x-height
    • Same width
    • A touch lighter
    • Same stroke contrast
    Get Tabular ↗
  5. 05

    The quick brown fox jumps over the lazy dog. Typography is what language looks like.

    Google Sans Code

    70%

    Same spiritGoogle Fonts · SIL Open Font License

    • Same x-height
    • Same width
    • Same weight
    • Same stroke contrast
    Get Google Sans Code ↗
  6. 06

    The quick brown fox jumps over the lazy dog. Typography is what language looks like.

    Martian Mono

    69%

    Same spiritGoogle Fonts · SIL Open Font License

    • 16% taller x-height
    • Sets 17% wider
    • Same weight
    • Same stroke contrast
    Get Martian Mono ↗

Measured, side by side.

Wumpus Mono Pro against Pitagon Sans Mono, from the letters themselves. These numbers are why Pitagon Sans Mono comes first, and what the CSS below corrects for.

Proportions in em, at the same font size
Ascender0.700.73Cap height0.700.73x-height0.520.55Descender0.180.18
Letter widths, a to z: what decides where lines break
abcdefghijklmnopqrstuvwxyz
Weight+1%
Stroke contrast−1%

Wumpus Mono Pro Pitagon Sans Mono

Keep your line breaks.

Swap Wumpus Mono Pro for Pitagon Sans Mono and nothing reflows. This sets Pitagon Sans Mono at Wumpus Mono Pro’s x-height and line length, so headings, buttons and paragraphs break where they did.

Wumpus Mono Pro → Pitagon Sans Mono
font-family: "Pitagon Sans Mono", monospace;
font-size: 0.938em; /* down to Wumpus Mono Pro’s x-height */
letter-spacing: 0.04em; /* to Wumpus Mono Pro’s line length */

About Wumpus Mono Pro

Wumpus Mono Pro is a paid monospace, published by Vaughan Type.

See Wumpus Mono Pro on vaughantype.com ↗

Paid fonts like Wumpus Mono Pro

Questions, answered.

What is the best free alternative to Wumpus Mono Pro?

Pitagon Sans Mono. Measured letter by letter, it’s 75% alike: 7% taller x-height, same width, same weight, same stroke contrast. IBM Plex Mono, Adwaita Mono, Tabular, Google Sans Code and Martian Mono are also close.

Is there a free version of Wumpus Mono Pro?

No. Wumpus Mono Pro is a paid monospace from Vaughan Type. Every alternative on this page is free for commercial use, under the SIL Open Font License and ITF Free Font License.

How were these alternatives chosen?

By measuring the letters, not by comparing names or tags. Wumpus Mono Pro was measured as vaughantype.com draws it: its proportions, the width of every letter and figure, its weight, its stroke contrast and the shapes of telling letters like a, g, R and Q. The same measurements were taken of 1,506 free fonts, and these came closest. Each match was then checked by eye.

Will Pitagon Sans Mono change my layout?

Not if you use the CSS on this page. It sets Pitagon Sans Mono 6.2% smaller with a touch more letter-spacing, so text written for Wumpus Mono Pro keeps its x-height and its line lengths, and lines break in the same places.

Spot Wumpus Mono Pro in the wild?

Point Fontsight at any text on any website. It names the font, and offers a free look-alike you can try on the page, line breaks intact.

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