A UUIDv4 support library

Compression and packing methods for singular and collection UUIDs.

Generate uuids for models

This extends shoulda-matchers to allow validating binary uuids in models.

Bundle friendly pure ruby UUID generator supporting v1, v3, v4, v5

This tool adds the missing UUIDs into the installed Xcode plug-ins so that they can be loaded by newer versions of Xcode.

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.

Simple, scalable UUID generation.

Bullet Train Has UUID

Guid is a Ruby library for portable GUID/UUID generation. At the moment it can be used on Windows (except first release of Win95 and older) and on Unix. This is a fork of David Garamond's ruby-uuid library.

Add binary (not string) UUIDs to ActiveRecord in MySQL

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

FriendlyUUID is a Rails gem that shortens your UUID records' URLs. What once was 758d633c-61d4-4dfc-ba52-b7b498971097 becomes 758d. FriendlyUUID does not introduce any new state to your models, even under the hood. FriendlyUUID URLs are exactly as unique as they need to be. The...

Useful helpers to consistently migrate Integer id columns to UUID in PostgreSql. Special support for primary keys and references.

UUID generator/parser in <300 lines. It fully supports UUID versions 1, 3, 4 and 5.

Overrides setting flash messages to automatically wrap them in a hash. The original message is stored in the :message key and the request UUID is stored in the :request_uuid key.

AR model to store uuids assigned to various resources. It is expected a resource can be identified by many UUIDs.

Creates UUID version 5 out of scientific name string. It uses globalnames.org domain for DNS namespace. There is a 1:1 relationship between the string and the corresponding UUID, so it allows globally connect data about a name string originated from independent sources without a need to negotiate...

UUID V4 compliant timestamp uuid where also the string representation is correctly sorted by timestamp

uuid_v7 enables UUID V7 as primary keys in Rails, optimized for Mysql and Sqlite, with efficient migration and integration features.