ReaderFunded · site

Box2D

box2d.org

Box2D is a tech site on box2d.org, in English, funded by its readers: 19 people pay through GitHub Sponsors, as the platform publishes it.

Box2D is a 2D physics engine for games, with a blog by its creator Erin Catto on game physics and programming.

Visit Box2DSupport on GitHub Sponsors

Is this your site? There is a badge you can show, with the live figure.

Latest posts

• Box2D 3.22026-10-18
• Contact Recycling2026-10-12
• Inscribed Spheres2026-09-29
• SIMD for Collision2026-07-18
• Announcing Box3D2026-06-30
• Replay2026-06-07
• Box2D 3.12025-04-19
• Dynamic Tree Improvements2025-03-21

From the site's feed, read 2026-10-21.

Pages

64 pages indexed; the pages that lead the site by its internal links:

Standing

Verified funding

• github_sponsors https://github.com/sponsors/erincattoverified 2026-08-16

Badge

For the site's owner: a badge that says readers fund it, linked to this page. It shows the live figure, so it never goes stale; the count is the one the platform publishes.

HTML

<a href="https://readerfunded.com/site/box2d.org"><img src="https://readerfunded.com/badge/box2d.org.svg" alt="Reader-funded: 19 paying supporters on GitHub Sponsors, verified by ReaderFunded" height="20"></a>

Markdown

[![Reader-funded: 19 paying supporters on GitHub Sponsors, verified by ReaderFunded](https://readerfunded.com/badge/box2d.org.svg)](https://readerfunded.com/site/box2d.org)

Neighbourhood

Linked from 535 domains, links to 29; of the latter, the funded sites are shown. Funded sites first, then the sources that link to fewest other funded sites. Links as seen in the Common Crawl domain graph (cc-main-2026-aug-sep-oct), cut 2026-10-23: the pages crawled in a window of three months, not necessarily the site of today, and a page not crawled in that window leaves no link.

Similar funded sites

Sites the same sources link to, by cosine over the sets of linking domains. More.