Rails virtual model solution based on ActiveModel design for Rails 6+.

Contains commands, events, validations for Rails Disco. Commands are used to transport updates from Rails to the domain. Validations are used to validate commands in Rails and the domain. Events are created in the domain and processed in projections. Have a look at the rails-disco documentation on Github for more details.

Extensions for active_interaction gem

Makes the google-cloud-datastore gem compliant with active_model conventions and compatible with your Rails 5+ applications.

Contains everything necessary to build and run projection servers for Rails Disco. Projections process events into database models that are optimized for the Rails views. Have a look at the rails-disco documentation on Github for more details.

ActiveTriples provides tools for modeling RDF as discrete resources.

A simple age calculator that just works

A Redis-backed virtual ActiveModel, full of possibilities.

Ambry is not an ORM, man! It's a database and ORM replacement for (mostly) static models and small datasets. It provides ActiveModel compatibility, and flexible searching and storage.

IBAN + SWIFT/BIC: Information, Validation and Formatting.

BSB number validator with built-in database.

A datamapper plugin for active_model compliance and thus rails 3 compatibility.

DocumentMapper is an object mapper for plain text documents. The documents look like the ones used in jekyll (http://github.com/mojombo/jekyll). They consist of a preambel written in YAML (also called YAML front matter), and some content in the format you prefer, e.g. Textile. This enables you to write documents in your favorite editor and access the content and metadata of these in your Ruby scripts.

Define schemas using a clean DSL and get both JSON Schema documents and runtime validations. Perfect for API request/response validation, LLM function definitions (OpenAI, Anthropic), and structured data modeling. Features Sorbet-style types, schema composition, pluggable validation adapters, and multiple error output formats (JSON:API, RFC 7807).

Small library to check if EIP doc has valid front matter

ActiveModel email validator. Checks MX records for domains. Allows you to block free/disposable email providers

Factories via fixtures

include Gollum into Rails with ease

A multi-layer REST API wrapper for neo4j.

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