5. DiscoRecommendations for Ruby and Rails using collaborative filtering
9. PgsyncSync data from one Postgres database to another
12. DbxA fast, easy-to-use database library for R
13. LogstopKeep personally identifiable information (PII) out of your logs
18. RoverSimple, powerful data frames for Ruby
19. TrendAnomaly detection and forecasting for Ruby
21. PdscanScan your data stores for unencrypted personal data (PII)
23. FasttextEfficient text classification and representation learning for Ruby
24. Mapkick.jsCreate beautiful, interactive maps with one line of JavaScript
35. ChartkickCreate beautiful JavaScript charts with one line of Ruby
42. S3tkA security toolkit for Amazon S3
47. SafelyRescue and report exceptions in non-critical code
49. AhoySimple, powerful, first-party analytics for Rails