* [walkerOS v4.5.0](https://github.com/elbwalker/walkerOS) – Code-first, TypeScript-based data-collection and tag-management toolkit with built-in consent handling and destination routing.

* [Metka v3.0.0](https://github.com/metka-ruby/metka) – Rails tagging gem storing tags in indexed PostgreSQL array columns or SQLite JSON columns, with adapter-neutral APIs and matching tag semantics.