the_sortable_tree by the-teacher553EditNested Set + Drag&Drop GUI. Very fast! Best render helper! 2000 nodes/sec. Ready for rails 4 September 15, 2017 14:15
ActiveRecord: Trees, hierarchies & nested records8,630Rubyancestry, awesome_nested_set and 9 more »Easily and efficiently make your ActiveRecord model support hierarchies.
ActiveRecord: Sortable lists3,492Rubyacts_as_list, ranked-model and 3 more »Persist the positioning of your records in a certain order. Includes view helpers for displaying sortable lists and tables, and drag-and-drop GUIs for positioning the records.
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Parents and children
An awesome replacement for acts_as_nested_set and better_nested_set.