Hides sequential primary key counts without resorting to UUIDs or GUIDs.

Adds a :uuid column to ActiveRecord MySQL2 Adapter. Store UUIDs as 16 bytes binary column.

Unobtrusive binary UUID support for ActiveRecord. Supports migrations, reflections, assocations and SchemaDumper.

Provides UUID generation for Mongoid models. It includes a validator for UUIDs.

active_record_uuid is a nice gem that add uuid supports to your activerecord models (MySQL). It allows you to store uuid in various formats: binary (16 bytes), base64 (24 bytes), hexdigest (32 bytes), or string (36 bytes), and query back with uuid string.

You need to assign UUIDs to your model? UuidIt makes it as simple as adding one line of code to the according models.

This is a library generating unique id in short pattern.

Helps using uuid everywhere in routes instead of id for ActiveRecord models.

FFI Wrapper for libuuid with extra helpers for common UUID tasks like getting an array of uuids for quicker distribution

Identifier is a Ruby unique identifier generator that wraps the UNIX, Linux and Macintosh 'uuid' library.

This rails engine configures necessary settings to enable native UUID primary key in rails + postgresql environment.

Support for binary UUIDs in ActiveRecord

Order for UUID

Uuid fields for mongoid

shorten a uuid to a shorter representation and back

Secure, collision-resistant ids optimized for horizontal scaling and performance.Next generation UUIDs. Need unique ids in your app? Forget UUIDs which often collide in large apps.Use Cuid2, instead.

The has_uuid gem adds a UUID to your AR models. See the README for details.

Allows ActiveRecord to use (native) UUIDs, even as primary keys. Currently only works with PostgreSQL.

Adds association_uuids= method on has_many and has_and_belongs_to_many associations

Converts BSON::ObjectId to and from UUIDv1's.