EPC QR code for SEPA payments in any format

A Ruby library of smart contracts that can be used on Tapyrus.

A persistence framework with entities and repositories

Simplify the implementation of consistent services within an API-based software platform.

Latex converter for Jekyll.

Jekyll `related_posts` function based on tags (works on Jekyll3). It replaces original Jekyll's `related_posts` function to use tags to calculate relationships.

JSI offers an Object-Oriented representation for JSON data using JSON Schemas

Ruby implementation of the KDL Document Language Spec

Lago Rest API client

Ruby bindings for Chromium Compact Language Detector

A collection of BigDecimal items e.g. invoice items can be rounded for displaying them in views. Rounding may apply a rounding error to the items such as the summed up rounded items will show deviation towards an invoice total with summed unrounded items. Which might cause confusion for customers and finance departments alike. Application of the largest remainder method can help to preserve the total sum for fractionated parts thus eliminating this confusion.

Lennarb provides a lightweight yet robust solution for web routing in Ruby, focusing on performance and simplicity.

Create and update timetables from input data

LutaML creating data models in Ruby

Integrate with MuPDF for analyzing and converting PDFs.

Parser for NOTAM (Notice to Air Missions) messages in Ruby.

OFX for Ruby is a pure Ruby implementation of Open Financial Exchange specifications (1.0.2 through 2.1.1) for building both financial clients and servers, providing parsers/serializers for each version, and a uniform object model across all versions.

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.

JRuby Helper Libraries for openHAB Scripting

Build Bitcoin Lightning payments into your Ruby application with OpenReceive. Work with exact money amounts, normalize wallet responses, and apply consistent settlement rules while keeping control of your wallet and application. This lightweight core provides money conversion, exchange rates, Nostr Wallet Connect (NWC) adapters, and swap-address validation without a database dependency. For a complete Rails integration, install openreceive-rails. For a custom Ruby or Rack integration, use openreceive-server. OpenReceive integrations support optional swaps from USDT, USDC, SOL, and ETH through a configured provider, settling as BTC over Lightning into your wallet. Available assets and networks depend on the provider.