Box2D
AssessTools
A widely used open source 2D physics engine that Box3D extends.
Why it's here
Placed in Assess: 2 article(s) of evidence from 2 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 42%.
Evidence (2)
- 8Hacker News·8/27/2026researchCloudflare cuts 100 TB of RAM by optimizing 1.1.1.1 DNS cache
Cloudflare describes five memory optimizations to Big Pineapple, the system behind 1.1.1.1 and other DNS services, which reduced the per-entry cache footprint by more than 50%. Across the fleet, the changes freed roughly 100 terabytes of memory while also improving performance, with insert throughput up 43% and lookup latency down 19%.
- 6Hacker News·7/1/2026open_sourceBox3D: open source 3D physics engine released
Box3D is a new open source 3D physics engine announced on GitHub, built as a 3D extension of Box2D. It adds features such as triangle mesh collision, height-field collision, continuous collision, SIMD contact solving, multi-threading hooks, and deterministic recording/replay for games.