* [Sloc Cloc and Code (scc) v4.0.0](https://github.com/boyter/scc) – Fast code counter with complexity calculations, COCOMO estimates, and unique lines of code metrics.

* [AST Metrics v0.42.1](https://github.com/ast-metrics/ast-metrics) – AST Metrics is a multi-language code quality analyzer that measures complexity, architecture, coupling, test quality, and bus factor, flagging only PR regressions deterministically.