* [type-fest v5.7.0](https://github.com/sindresorhus/type-fest) – Collection of essential utility types for TypeScript.

* [TSTyche v7.2.1](https://github.com/tstyche/tstyche) – TypeScript type-testing tool with describe/test helpers, expect-style assertions, and a configurable test runner.

* [Sorbet 0.6.13271.2026060213...](https://github.com/sorbet/sorbet) – Fast, powerful type checker designed for Ruby with gradual typing support.