Sane tree builder for ActiveRecord and PostgreSQL
ActiveRecord plugin allowing you to hide and restore records without actually deleting them.
A General Purpose Tree Data Structure for Ruby
Example of using Postgres for Recursive Tree SQL in a Rails app
RailsAdmin drag & drop custom action sorting list and tree (using the Ancestry gem)
Nested Set + Drag&Drop GUI. Very fast! Best render helper! 2000 nodes/sec. Ready for rails 4
A tree data structure for Ruby
Edge provides graph functionality to ActiveRecord.
A zero-configuration recursive Hash for storing a tree of options in a serialized ActiveRecord co...
ActiveRecord extension for ordered adjacency trees support
ActsAsResource combines ActiveRecord and ActiveResource features in *one* class.
Easily and efficiently make your ActiveRecord models support hierarchies
An awesome replacement for acts_as_nested_set and better_nested_set.
Empower PostgreSQL migrations in Rails app
Organise ActiveRecord model into a tree structure
Ruby bindings for tree-sitter