Configure Minitest with common plugins and options to make it even nicer to use.

NISO JATS format parser

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A small, dependency-free Ruby client for creating and cancelling Nodex Pay payments and verifying Payment Result callbacks.

Converts numbers, currency amounts, dates, and times to words with locale-aware grammar across supported locales.

Ops tools for managing servers

Ruby SDK for parsing, serializing, validating, and transforming ODIN documents

Parses OFX 1.x and 2.x files into typed domain objects with a fluent API and configurable field mappings.

oj_windows is a fork of Oj (https://github.com/ohler55/oj) by Peter Ohler, adapted to build with the MSVC (mswin) Ruby toolchain: pthread mutexes replaced with Windows primitives, POSIX headers guarded, and SIMD string scanning enabled under MSVC. It provides the full Oj API (module Oj) and JSON-...

The app provides a command-line interface (CLI) to an Ollama AI model, allowing users to engage in text-based conversations and generate human-like responses. Users can import data from local files or web pages, which are then processed through three different modes: fully importing the content i...

A failure-aware, contract-driven Ruby client for the Ollama API. Provides deterministic /generate with strict JSON schema validation, automatic model pulling, exponential backoff on timeouts, and observer-style streaming hooks. Designed for Rails background jobs and agent planners — not a chatbot...

An OmniAuth strategy for implementing Sign-in with Slack using OpenID Connect

Threads OAuth2 Strategy for OmniAuth

OmniExchange converts currencies using up-to-the-minute foreign exchange rates.

A composable type system for Ruby with runtime validation and coercion.

OpenAI 101 working through the API endpoints

A Ruby gem that generates OpenAPI 3.0 documentation from Minitest integration tests in Rails applications. Uses serializers as the single source of truth for response schemas.

Authenticates with your API key and decrypts open-banking.io's zero-knowledge data envelopes locally with your exported private key (ECDH P-256 -> HKDF-SHA256 -> AES-256-GCM). The service only ever returns ciphertext it cannot read.

Cdd is a pure-Ruby library that models the IEC Common Data Dictionary (IEC 61360 / CDD ontology), supports power-type semantics where instances can themselves be used as classes, and imports the Parcel Excel workbook format (both ParcelMaker .xlsx and the legacy 6-file .xls export layout) into a ...

A Ruby implementation of the OpenSkill rating system, providing Bayesian skill ratings for multiplayer games