Add binary (not string) UUIDs to ActiveRecord in MySQL

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

UUID generator for producing universally unique identifiers based on RFC 4122 (http://www.ietf.org/rfc/rfc4122.txt).

A simple universally unique ID generation library.

Bullet Train Has UUID

Simple, scalable UUID generation.

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

Let ActiveRecord serialize and cast your UUIDs to and from binary columns in your database.

Druuid generates 64-bit, time-sortable UUIDs.

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

Support for binary UUIDs in ActiveRecord

This is a UUID class intended to help control data locality when inserting into a distributed data system, such as MongoDB or HBase. There is also a Java implementation. This version does not conform to any external standard or spec. Developed at Groupon in Palo Alto by Peter Bakkum and Michael Craig.

Quickly and easily convert UUIDs to space efficient Base62 strings.

UUID Validator for ActiveModel

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

An easy uuid wrapper for ruby applications

Uuid fields for mongoid

A DataMapper adapter for Amazon's SimpleDB service. Features: * Full set of CRUD operations * Supports all DataMapper query predicates. * Can translate many queries into efficient native SELECT operations. * Migrations * DataMapper identity map support for record caching * Lazy-loaded attributes * DataMapper Serial property support via UUIDs. * Array properties * Basic aggregation support (Model.count("...")) * String "chunking" permits attributes to exceed the 1024-byte limit Note: as of version 1.0.0, this gem supports supports the DataMapper 0.10.* series and breaks backwards compatibility with DataMapper 0.9.*.

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

Youyouaidi offers a UUID class for parsing, validating and encoding UUIDs