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THE FIRST COLLECTIONLichess is a free, open-source online chess platform offering real-time play, tournaments, analysis, training tools, and multilingual support. Built with Scala and TypeScript, it hosts billions of games and supports community contributions.
Kysely is a type-safe and autocompletion-friendly TypeScript SQL query builder inspired by Knex.js.
Storm is a type‑safe, SQL‑first ORM for Kotlin 2.0+ and Java 21+. It uses immutable data‑class entities, compile‑time metamodel queries, and eliminates N+1, proxies, and hidden persistence contexts.
Valibot is a modular, type-safe schema library for validating structural data in JavaScript. It offers static type inference, a tiny bundle size starting under 700 bytes, no dependencies, and a functional API for validating everything from strings to complex objects.
