2. Jquery UjsRuby on Rails unobtrusive scripting adapter for jQuery
4. In place editingNOTICE: official repository moved to https://github.com/amerine/in_place_editing
9. Auto completeNOTICE: official repository moved to https://github.com/david-kerins/auto_complete
10. Dynamic formNOTICE: official repository moved to https://github.com/joelmoss/dynamic_form
11. Country selectNOTICE: official repository moved to https://github.com/stefanpenner/country_select
22. EtaggerDeclare what goes in to your ETags: asset versions, account ID, etc.
23. Atom feed helperNOTICE: official repository moved to https://github.com/TrevorBramble/atom_feed_helper
29. ActivejobDeclare job classes that can be run by a variety of queueing backends
33. KredisHigher-level data structures built on Redis
36. WebpackerUse Webpack to manage app-like JavaScript modules in Rails
40. JbuilderJbuilder: generate JSON objects with a Builder-style DSL
41. Acts as listNOTICE: official repository moved to https://github.com/swanandp/acts_as_list
44. Ssl requirementNOTICE: official repository moved to https://github.com/retr0h/ssl_requirement
47. Acts as treeNOTICE: official repository moved to https://github.com/amerine/acts_as_tree