| 1 | 2,704 | 4,855 | rendezvous | Client for interacting with Heroku processes. |
| 2 | 5,383 | 6,205 | unitwise | Physical quantity and units of measure conversion and math library |
| 3 | 5,431 | 5,977 | liner | A liner for Ruby objects. Add attribute, inspection, serialization, and equality methods. |
| 4 | 5,448 | 6,190 | signed_multiset | Multisets with negative membership |
| 5 | 6,049 | 3,275 | rspec_tap | A TAP formatter for rspec |
| 6 | 16,100 | 25,276 | validates_by_schema | Keep your code DRY by inferring column validations from table properties! Automagically... |
| 7 | 34,222 | 9,630 | app_manifest | Parse app manifests used by Heroku Button, Heroku Review Apps, and Heroku CI. |
| 8 | 40,238 | 34,419 | cutlass | Have you ever had problems opening a `pack` age? Try something sharper, try CUTLASS! |
| 9 | 51,722 | 39,692 | pliny-librato | A Librato metrics reporter backend for pliny |
| 10 | 55,881 | 58,153 | pliny-sidekiq | Pliny logging and request_id support for Sidekiq |
| 11 | 79,011 | 58,153 | mindtrick | Search completion suggestions using Redis's sorted sets. |
| 12 | 84,130 | 76,653 | elementy | Lookup Data for Elements in the Periodic Table |
| 13 | 111,526 | 112,883 | table-flip | Bail if the database contains any data. Handy to prevent stupid stuff like running test... |