# Fonts Like Allerta

12 open fonts whose letters are closest to Allerta, ranked by a glyph comparison. All free for commercial use.

## Quick Answer

The closest open font to Allerta is Clear Sans (similarity 79), then Source Sans 3 and Noto Sans Display. Clear Sans is released under the Apache License 2.0 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **Clear Sans** | 79 / 100 | Apache-2.0 | [/fonts/clear-sans/](/fonts/clear-sans.md) |
| #2 | **Source Sans 3** | 78 / 100 | OFL-1.1 | [/fonts/source-sans-3/](/fonts/source-sans-3.md) |
| #3 | **Noto Sans Display** | 78 / 100 | OFL-1.1 | [/fonts/noto-sans-display/](/fonts/noto-sans-display.md) |
| #4 | **Noto Sans JP** | 78 / 100 | OFL-1.1 | [/fonts/noto-sans-jp/](/fonts/noto-sans-jp.md) |
| #5 | **Radio Canada** | 78 / 100 | OFL-1.1 | [/fonts/radio-canada/](/fonts/radio-canada.md) |
| #6 | **Basic** | 77 / 100 | OFL-1.1 | [/fonts/basic/](/fonts/basic.md) |
| #7 | **Fira Sans** | 77 / 100 | OFL-1.1 | [/fonts/fira-sans/](/fonts/fira-sans.md) |
| #8 | **Hind Siliguri** | 77 / 100 | OFL-1.1 | [/fonts/hind-siliguri/](/fonts/hind-siliguri.md) |
| #9 | **Spline Sans** | 76 / 100 | OFL-1.1 | [/fonts/spline-sans/](/fonts/spline-sans.md) |
| #10 | **Doppio One** | 76 / 100 | OFL-1.1 | [/fonts/doppio-one/](/fonts/doppio-one.md) |
| #11 | **Orienta** | 76 / 100 | OFL-1.1 | [/fonts/orienta/](/fonts/orienta.md) |
| #12 | **Varta** | 75 / 100 | OFL-1.1 | [/fonts/varta/](/fonts/varta.md) |

## Other Scripts With Similar Latin Letters

- **Narnoor** (Gong): Similarity 82, licence OFL-1.1 - [/fonts/narnoor/](/fonts/narnoor.md)
- **Menbere** (Ethi): Similarity 78, licence OFL-1.1 - [/fonts/menbere/](/fonts/menbere.md)
- **Hind Guntur** (Telu): Similarity 77, licence OFL-1.1 - [/fonts/hind-guntur/](/fonts/hind-guntur.md)

## Scoring Method

62 letters and digits (A-Z a-z 0-9) rendered at 160px cap height on a 32x32 grid with 3px gaussian blur, combined with edge-orientation texture (15% weight). Scores are normalized so that 0 represents an average pair of fonts across the 1571 compared fonts, and 100 represents identical letter shapes. Computed on 2026-10-22 using glyph-shape + edge-texture v2.

## Machine API

JSON representation available at [/api/fonts-like/allerta.json](/api/fonts-like/allerta.json).