app_profiler by Shopify

A gem that helps to detect potential memory bloats. Maintained by DmitryTsepelev on GitHub, where it has earned 204 stars from the community.

Rails N+1 queries auto-detection with zero false positives / false negatives. Maintained by charkost on GitHub, where it has earned 1,897 stars from the community.

Speedup applications boot by caching require calls. Maintained by byroot on GitHub, where it has earned 195 stars from the community.