| 1 | 5,150 | 4,053 | twiglet | Like a log, only smaller. |
| 2 | 5,201 | 3,831 | simplycop | Require this gem in your application to use Simply Business common rubocop rules. |
| 3 | 7,129 | 7,271 | snowplow_ruby_duid | A gem that exposes the Snowplow domain userid in Rack applications. Also allows you to ... |
| 4 | 8,316 | 8,412 | rutabaga | Allows using feature from within RSpec and is built on top of Turnip |
| 5 | 16,822 | 101,581 | divisio | Provides a splitting framework similar to AB testing |
| 6 | 19,769 | 36,481 | flip_fab | A gem providing persistent, per-user feature flipping to Rack applications. |
| 7 | 21,007 | 17,943 | rabbit_feed | A gem providing asynchronous event publish and subscribe capabilities with RabbitMQ. |
| 8 | 15,244 | 61,853 | TrRMIte | Build real-time telephony systems using event sourcing |
| 9 | 28,848 | 17,702 | weasyprint | Uses weasyprint to create PDFs using HTML |
| 10 | 23,349 | 61,853 | kafka_lite | Experiment with the unified log and with event sourcing, _sans_ Kafka! |
| 11 | 52,650 | 32,016 | kitcat | initially created for data migrations. Provides logging, progess bar and graceful handling |
| 12 | 68,916 | 21,015 | rulezilla | Rules DSL |
| 13 | 154,127 | 78,082 | casquade | Placeholder: A CQRS framework for AWS Lambda, Kinesis and DynamoDB |