| 1 | 32,336 | 18,681 | acts_as_downcasable_on | Easy way to define AR attributes that should be stored in lowercase |
| 2 | 33,766 | 18,681 | sidekiq-heroku-scaler | Tool to scale sidekiq dynos on Heroku |
| 3 | 35,282 | 21,293 | acts_as_strippable_on | Easy way to define AR attributes that should be stripped before save |
| 4 | 36,391 | 20,034 | activerecord_touchy | Extend AR to use touch for has_many and has_one relations |
| 5 | 38,719 | 20,397 | after_commit_state | Easy way to check model state in after_commit callback |
| 6 | 47,416 | 20,034 | validates_unchangeable | Library for validating unchangeable attributes. |
| 7 | 87,348 | 141,213 | database_leak_finder | Easy way to find spec which doesn't clear database after execution |
| 8 | 107,928 | 39,990 | letter_opener_web_s3 | Gives letter_opener and letter_opener_web work with S3 |
| 9 | 150,034 | 141,213 | activerecord_lookup_or_initialize | ActiveRecord::Relation extension, find object in collection if it exists or build new one |