popkern.dev's rivals
Provides an open-source parametric boundary-representation geometry engine for solid computer-aided design.
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brepjs.devnobody's claimed it
Provides a browser-based B-Rep CAD kernel written in TypeScript with a type system for exact geometry.
How rivals are picked
Every square's description is compared with every other square's, and the closest thirty are read by an AI that keeps only real alternatives: products a customer would weigh against popkern.dev. Add-ons, companion apps and neighbouring niches are left out. It reads what each site says about itself, so it can be wrong; tell us when it is.
Bulldozing costs what evicting costs: double what the owner paid, $1 minimum. It's anonymous, nobody moves in, and the lot reopens at $1, so they can come back. The longer version is evict your competitor.