- connection-pool-concurrency 8 How many database connections will I need? How do I figure out connection pool size? On Heroku?
- deep_dup 5 Deep duplicate Ruby objects.
- maybe2 5 Yet another Maybe monad implementation for Ruby.
- fluid_grid_system 2 Fluid Grid System Based on 960 Grid System (http://960.gs/) by Nathan Smith. Supports infinite nesting.
- k_means_pp 2 Ruby Gem. Ruby implementation of the k-means++ algorithm for data clustering.