| 1 | 9,981 | 11,031 | terraformer | toolkit for working with GeoJSON in pure Ruby |
| 2 | 14,463 | 13,151 | angelo | A Sinatra-like DSL for Reel that supports websockets and SSE |
| 3 | 39,773 | 25,339 | h2 | a pure ruby http/2 client & server based on http-2 |
| 4 | 46,053 | 88,108 | rack-colorized_logger | simple logger that outputs params, session, and cookies in fancy colors. |
| 5 | 57,041 | 67,890 | geotrigger | A small ruby client for Esri's Geotrigger service |
| 6 | 62,375 | 67,890 | jsonatra | JSON API extension for Sinatra |
| 7 | 66,945 | 41,144 | valibot | Automatic field validation for forms backed by DataMapper models through Sinatra. |
| 8 | 115,877 | 88,108 | zurl | A wrapper for curl which pretty-prints JSON output |