EN 16931-compliant e-invoicing for Ruby. Generates Factur-X (PDF/A-3 + CII XML), UBL 2.1, and CII D16B. Validates French B2B requirements (SIREN, SIRET, TVA). Rails concern for ActiveRecord models. Targets French September 2026 mandate.

Adds French e-invoicing platform connectors to the einvoicing gem: Pennylane (Factur-X import), PPF/Chorus Pro submission, and SIRET lookup.

A Ruby client library for interacting with ElevenLabs dubbing and voice synthesis APIs

Use this gem to encode each character in an email address.

The emasser can be used as a gem or used from the command line (CL) to access eMASS endpoints via their API.

EnvCheck is a lightweight Ruby gem that ensures your required and optional environment variables are present and valid before your app boots. Features smart config discovery (.env_check.yml or config/env_check.yml), comprehensive type validation with 9 built-in validators, .env loading with dotenv, and professional CLI tools. Framework-agnostic design works with Rails 7.1+ through Rails 8.0+, Ruby 3.0+.

Helpers for dealing with environment variables, with the option of adding the functionality to ENV.

SDK for interacting with the ESP API.

A Ruby gem for interacting with the Exa.ai search and discovery API

Examine your software.

A small command-line helper that keeps Exercism Ruby exercises easy to open, test, inspect, and submit.

This gem provides access to public and trade API of Exmo.com exchange

Watches local gems and notifies the user if they are outdated.

Models define access rules via a DSL. Controllers call auth_required. Access denied returns 404.

RSS/Atom feed updates as a digest email

A command line client to manage and sign SSH keys via Fenton Server

Flipper Helper

FFI Bindings for Libfuse

A Ruby SDK for the Fizzy API with automatic retry, exponential backoff, Link header pagination, and observability hooks.

A typed, generated-contract Ruby client for the complete Fly Machines REST API, plus a clearly isolated experimental client for Fly's unstable GraphQL control-plane interface.