Credits
Licences
The entries’ content
Creative Commons Attribution 4.0 International (CC BY 4.0).
You may share it, adapt it and reuse it, including commercially, provided you credit the source
and say whether you changed it. The full licence text is in the repository, under
LICENSE-CONTENT.
The example code
MIT licence.
The code snippets on the entries, the site’s own code and the check scripts are under the MIT
licence. You may copy them into your project without asking. The full text is in the
repository, under LICENSE.
That choice is deliberate: a catalogue of alternatives whose code you could not copy would not be much use.
Fonts
All three families are free, self-hosted, subset to the Latin range French and English need, and served as woff2 from this domain. None is loaded from a third-party service.
| Font | Used for | Authors | Licence |
|---|---|---|---|
| Bricolage Grotesque | headings, featured figures, colour blocks | Mathieu Triay | SIL Open Font License 1.1 |
| Inter | body text, interface, tables | Rasmus Andersson | SIL Open Font License 1.1 |
| JetBrains Mono | code blocks, technical values | JetBrains | SIL Open Font License 1.1 |
Illustrations
The site’s illustrations are drawn for this project, in hand-written SVG. None reuses an existing work or a brand’s style. They are covered by the content licence.
Cited methodologies
The footprint orders of magnitude used on the entries rest on the published work listed and cited by name on the methodology page:
- Green Algorithms — Lannelongue, Grealey and Inouye, Advanced Science, 2021
- Estimating the Carbon Footprint of BLOOM — Luccioni, Viguier and Ligozat, 2022
- Software Carbon Intensity — Green Software Foundation, now ISO/IEC 21031
- AFNOR SPEC 2314, Référentiel général pour l’IA frugale — 2024
- Boavizta — open data and tooling on the impact of digital systems
That work is not affiliated with Overkill and does not endorse its content.
Tools used to build the site
Astro, Tailwind CSS, Shiki, Zod, Playwright, pytest, scikit-learn, NumPy, fontTools, and the French Hunspell dictionary. All free software.
Contributors
The repository is the record. The Git history carries the full list of people who have contributed, along with what they wrote.
Each entry names its contributors in its metadata, at the foot of the page.
Thanks
To anyone who takes the time to report that an entry is wrong. It is the most useful service this catalogue can be given.
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