Image filtering DSL including a CLI for running filters and ability to write kernals to a binary format that will can be used to run filters from the CLI, and potentially allow filters to be compatible with implementation in other languages.

Indexa indexes an array of words in a redis backend to be searched by Busca, the simple redis search

Sample application for "V4L2 for Ruby".

Offline sort for any enumerable with pluggable serialization strategies

Extendable and flexible data lookup system

CLI and ruby client libraries for Jerakia Server

Library for search District Code(全国地方公共団体コード, JIS X 0402) of Japan.

fluent logger for ruby

JOffice EM-Redis ORM

MessagePack serializing support for JSON-RPC Objects. JSON-RPC Objects is complete implementation of JSON-RPC objects with respect to specifications compliance and API backward compatibility.

Karper is a simple single channel chat server.

A powerful yet simple AMQP worker framework

kobako provides an in-process Wasm sandbox (wasmtime + mruby) with a MessagePack-based host/guest RPC, allowing Ruby applications to execute untrusted mruby scripts under capability-based Service injection.

Japanese random sentence generator based on Markov chain.

Socket pusher for ActiveSupport::Notifications

LEX agentic memory domain: episodic, semantic, and working memory

LicenseMatcher is rubygem, which uses Fosslim to match various OSS license with correct SPDX-id or EULA label.

llm_optimizer reduces LLM API costs by up to 80% through semantic caching, intelligent model routing, token pruning, and conversation history summarization. Strictly opt-in and non-invasive.

Gem to normalize and auto-correct location information

Lock and cache methods, in case things should only be calculated once across processes.