Free Alternatives to SF Mono for Terminal

Looking for a free mono font for terminal projects? SF Mono by Apple is a popular choice, but its licensing cost can be prohibitive. We've curated 5 free alternatives that work well in terminal contexts. We've identified 3 that are especially well-suited for this context. Each alternative is scored by visual similarity and contextual relevance, and ships under an open-source license for both personal and commercial use.

Top Picks

Best Overall

JetBrains Mono

92% match

Comparison Table

Font	Relevance ⓘ How well this alternative fits the specific context (use-case or trait) of this page. Score 0–100 based on matching keywords, industries, and font characteristics. Alternatives scoring 25+ are highlighted.	Similarity ⓘ How visually similar this free font is to the premium original. Score 0–100 based on x-height, width, stroke contrast, use-case overlap, and language coverage. Learn more →	Weights	Variable	License	Source
JetBrains Mono	37	92%	Variable	Yes	OFL-1.1	Google Fonts ↗
Fira Code	37	88%	Variable	Yes	OFL-1.1	Google Fonts ↗
Fira Mono	36	80%	3	No	OFL-1.1	Google Fonts ↗
Source Code Pro	16	82%	Variable	Yes	OFL-1.1	Google Fonts ↗
Not Courier Sans	13	45%	2	No	GPL-2.0-with-font-exception	fontsquirrel ↗

Most Relevant (3)

#1 JetBrains Mono 92% Relevant

[Google Fonts] · OFL-1.1 · Variable

Excellent free alternative with programming ligatures and similar proportions

Why it matches: JetBrains Mono shares SF Mono's clean, neutral character with similar proportions and excellent code readability. Both feature tall x-heights, clear character differentiation, and developer-focused design. JetBrains Mono adds programming ligatures that SF Mono lacks, making it functionally superior for many developers while maintaining similar aesthetics.

IDE and code editorsterminal applicationstechnical documentationcross-platform development

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#2 Fira Code 88% Relevant

[Google Fonts] · OFL-1.1 · Variable

Popular coding font with extensive ligature support

Why it matches: Fira Code captures SF Mono's clean aesthetic while adding one of the most comprehensive programming ligature sets available. Both prioritize code readability with clear character differentiation and optimized spacing. Fira Code's Mozilla heritage and extensive ligatures make it a popular choice for developers seeking SF Mono alternatives.

web developmentany code editorterminal with Powerlinedocumentation

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#3 Fira Mono 80% Relevant

[Google Fonts] · OFL-1.1 · 3 weights

Mozilla's clean monospace without ligatures for straightforward code display

Why it matches: Fira Mono shares SF Mono's clean, no-nonsense aesthetic without ligatures for those who prefer traditional code display. Both feature Mozilla's careful attention to screen readability and similar proportions. Fira Mono serves developers who want clarity without the visual transformation of ligatures.

traditional code displayterminal applicationsprint documentationsimple editors

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Other Alternatives (2)

#4 Source Code Pro 82%

[Google Fonts] · OFL-1.1 · Variable

Adobe's clean monospace with similar neutral character

Why it matches: Source Code Pro shares SF Mono's neutral, professional character with similar clean aesthetics. Both feature careful attention to character differentiation and screen optimization. Source Code Pro's true italics and Adobe quality make it ideal for professional environments, though it lacks programming ligatures.

enterprise developmentAdobe ecosystemdocumentationmulti-language projects

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#5 Not Courier Sans 45%

[fontsquirrel] · GPL-2.0-with-font-exception · 2 weights

Raw experimental monospace for creative coding and distinctive terminal setups

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