* [TestProf v1.6.0](https://github.com/test-prof/test-prof) – Collection of tools to analyze and optimize Ruby test suite performance.

* [FactoryTrace v3.0.0](https://github.com/djezzzl/factory_trace) – Finds and reports unused FactoryBot factories and traits.

* [mutant v0.15.0](https://github.com/mbj/mutant) – Ruby mutation testing framework that modifies code to confirm tests catch defects.

* [rspec-openapi v0.25.0](https://github.com/exoego/rspec-openapi) – Generate OpenAPI schema from RSpec request specs without requiring special DSL.

* [Ruby LSP RSpec v0.1.29](https://github.com/st0012/ruby-lsp-rspec) – Ruby LSP addon for displaying CodeLens in RSpec tests.