No. Calibre is a commercial typeface from Klim Type Foundry. Commercial; licensed from Klim. The fonts listed here are free, open-licensed alternatives you can download, self-host and use commercially.

What is the closest free alternative to Calibre?

DM Sans scores 90% against Calibre on our published formula — Same class: geometric. x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast. It is licensed OFL-1.1, so it is free to self-host.

How are these alternatives ranked?

By a fixed, published score — 0.35 classification, 0.25 measured proportions (x-height, cap height, width, stroke contrast), 0.20 traits, 0.10 role, 0.05 language coverage, 0.05 variable support. No model or vote; the same inputs always give the same ranking. Hand-curated picks are labelled and listed first.

Free font alternatives

Free alternatives to Calibre

Calibre is a commercial geometric sans from Klim Type Foundry. Commercial; licensed from Klim. Below are the 8 closest free, open-licensed families in the BrandSweets library, ranked by our published, deterministic score — classification, measured proportions, traits, role, language and variable support. Each one is shown in its own face and is free to self-host.

Calibre is a trademark of its owner, named here only to identify the typeface. We do not host, embed or distribute it; “similar” means similar classification and proportions, nothing more.

#190% matchsansOFL-1.1 · Colophon Foundry
DM Sans
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
99%
x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
50%
Shares minimal, modern, monoline (3 of 6 traits).
Role×0.10
100%
Both suit body, heading, ui.
Language×0.05
100%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View DM Sans specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
#289% matchsansOFL-1.1 · Erik Kennedy
Figtree
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
100%
x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
43%
Shares clean, modern, monoline (3 of 7 traits).
Role×0.10
100%
Both suit body, heading, ui.
Language×0.05
100%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Figtree specimen →Pairings →300 · 400 · 500 · 600 · 700 · 800 · 900
#385% matchsansOFL-1.1 · Accademia di Belle Arti di Urbino
Titillium Web
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
98%
x-height 0.50 vs 0.50 (near-identical); cap height 0.69 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
29%
Shares monoline, technical (2 of 7 traits).
Role×0.10
100%
Both suit body, heading, ui.
Language×0.05
100%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Titillium Web specimen →Pairings →200 · 300 · 400 · 600 · 700 · 900
#485% matchsansOFL-1.1 · Vernon Adams, Cyreal, Jacques Le Bailly
Mulish
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
99%
x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
57%
Shares clean, minimal, modern, monoline (4 of 7 traits).
Role×0.10
67%
Both suit body, ui.
Language×0.05
40%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Mulish specimen →Pairings →200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
#583% matchsansOFL-1.1 · Corey Hu
Urbanist
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
100%
x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
17%
Shares monoline (1 of 6 traits).
Role×0.10
100%
Both suit body, heading, ui.
Language×0.05
100%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Urbanist specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
#683% matchsansOFL-1.1 · Andreas Rasmussen
Albert Sans
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
100%
x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
17%
Shares monoline (1 of 6 traits).
Role×0.10
100%
Both suit body, heading, ui.
Language×0.05
100%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Albert Sans specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
#783% matchsansOFL-1.1 · Smartsheet Inc, Rodrigo Fuenzalida
Outfit
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
93%
x-height 0.47 vs 0.50 (close); cap height 0.69 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
50%
Shares minimal, modern, monoline (3 of 6 traits).
Role×0.10
50%
Both suit heading, ui.
Language×0.05
100%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Outfit specimen →Pairings →100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900
#883% matchsansOFL-1.1
Bai Jamjuree
Sphinx of black quartz, judge my vow
Show score breakdownScore breakdown
Classification×0.35
100%
Same class: geometric.
Metrics×0.25
100%
x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast.
Traits×0.20
29%
Shares monoline, technical (2 of 7 traits).
Role×0.10
100%
Both suit body, heading, ui.
Language×0.05
50%
Covers latin, latin-ext.
Variable×0.05
100%
Static, like Calibre.
View Bai Jamjuree specimen →Pairings →200 · 300 · 400 · 500 · 600 · 700

mcpConnect your agent — find Calibre alternatives live

live endpoint

Point any MCP client at the shared fonts endpoint and your agent gets the same ranked list with every axis score — find_alternatives, list_commercial_fonts, list_fonts and suggest_fonts, read-only, no key.

endpointhttps://mcp.brandsweets.com/fonts/mcp

claude mcp add --transport http brandsweets-fonts https://mcp.brandsweets.com/fonts/mcp

try this prompt

›find a free alternative to Calibre for a modern brand

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Use DM Sans instead

DM Sans is the top-ranked alternative to Calibre (90%) and is free to self-host under OFL-1.1. Drop these @font-face rules into your CSS — the .woff2 files are served straight from BrandSweets.

css

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-100.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 200;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-200.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-300.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-400.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-500.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-600.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-700.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-800.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-900.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 100;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-100i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 200;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-200i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 300;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-300i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-400i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-500i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-600i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-700i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 800;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-800i.woff2") format("woff2");
}
@font-face {
  font-family: "DM Sans";
  font-style: italic;
  font-weight: 900;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/dm-sans/dm-sans-900i.woff2") format("woff2");
}

/* Usage */
.heading { font-family: "DM Sans", sans-serif; }

What we compare Calibre on

Class: geometric, neo-grotesque
x-height: 0.50 ≈
Cap height: 0.70 ≈
Width · contrast: normal · low
Traits: modern, clean, minimal, technical, monoline
Roles: heading, ui, body
Languages · variable: latin, latin-ext · no

≈ proportions are publicly documented approximations of the regular cut, not measured by us. Open-font metrics are measured from the files. Full formula and thresholds: methodology. Machine-readable: alternatives.md

Questions

Is Calibre free?: No. Calibre is a commercial typeface from Klim Type Foundry. Commercial; licensed from Klim. The fonts listed here are free, open-licensed alternatives you can download, self-host and use commercially.
What is the closest free alternative to Calibre?: DM Sans scores 90% against Calibre on our published formula — Same class: geometric. x-height 0.50 vs 0.50 (near-identical); cap height 0.70 vs 0.70 (near-identical); both normal width; both low stroke contrast. It is licensed OFL-1.1, so it is free to self-host.
How are these alternatives ranked?: By a fixed, published score — 0.35 classification, 0.25 measured proportions (x-height, cap height, width, stroke contrast), 0.20 traits, 0.10 role, 0.05 language coverage, 0.05 variable support. No model or vote; the same inputs always give the same ranking. Hand-curated picks are labelled and listed first.

Build a brand around DM Sans

Turn the pick into a full identity — colors, type roles, logo, and agent-readable tokens your future sessions already know.

Extract a brand Design one on a canvas