Large CSV builder and proccesor, it can help with creation of large csv files, reading those files and make operation over the csv data

A LegionIO gem to connect to a persistent data store

Unofficial command-line interface for querying and analyzing Langfuse LLM observability data. This is a community project not affiliated with Langfuse GmbH.

license_conflicts identifies the license of an open-source project, resolves all its dependencies via LicenseFinder, and reports any license incompatibilities based on a built-in compatibility matrix. Supports Ruby, Node.js, Python, Go, and Java projects.

Licensure collects dependency license metadata and validates it against a configurable allow list.

Extracted reusable OpenAI API client that wraps chat completions with sane defaults, logging hooks, and retry/backoff handling.

Wraps a locally installed llamafile in an a pure ruby object.

Tracks token usage and estimated costs for OpenAI, Anthropic, Google Gemini, OpenRouter, DeepSeek, and OpenAI-compatible calls. Works as Faraday middleware for Ruby clients, with ActiveRecord storage, arbitrary tag-based attribution, and budget guardrails.

Document extraction for RAG pipelines. Loads PDF, DOCX, CSV, HTML, and web pages into a normalized Document format for chunking and embedding.

File loader with simple logging

log_sense is a log analysis tool which analyzes Ruby on Rails and Apache/Nginx logs and provides detailed data about accesses, performances, and errors. It is a one-stop shop solution for analyzing your Rails application in production. Simple to use and working from the command ...

Lookout is a fork of Ahoy Captain with SQLite support, continued maintenance, and modern Rails 8 compatibility. Full-featured analytics dashboard with conversion funnels, goals tracking, and beautiful visualizations.

Lunaris is a lightweight gem for manage crypto operations.

Serve markdown files from any directory with a clean web interface, syntax highlighting, YAML frontmatter support, and wiki-link resolution.

Provides a row-based object model and utility methods for creating, parsing, transforming, and exporting Markdown tables in Ruby.

システムが稼働する上で最初から必要なデータ（マスタデータ）を管理するツールです。

Parse MBOX files and export email data into CSV format

Meibo is a ruby library for OneRoster CSV Binding Japan Profile.

metanorma-utils provides utilities for the Metanorma stack

Sync transaction history from MoneyForward to YNAB.