Do it like => validates :photos, attached: true, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: 500.kilobytes }, limit: { min: 1, max: 3 }, aspect_ratio: :landscape, dim…

A universal CLI toolkit for serious AI-assisted development. Works across Cursor, Claude Code, Antigravity, Codex, and more.

WebAuthn ruby server library ― Make your Ruby/Rails web server become a conformant WebAuthn Relying Party

A super-easy, composable, web server framework for warp speeds.

Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

The All in One Framework to Build Undefeatable Scrapers

Scheduling infrastructure for absolutely everyone.

Kanban as it should be. Not as it has been.

A Telegram ticketing/supporting system.

Simple, Fast, and Declarative Serialization Library for Ruby

Ruby library for the Stripe API.

⚡️ ML Kit plugins for Capacitor. Supports Android and iOS.

SVG Funnel Graph Javascript Library

An Open Source implementation of Notebook LM with more flexibility and features

Approximate String Matching library

Log Bull - simple log collection and view system. Self hosted, zero-config, support of languages (Python, Go, Java, PHP, etc.). Simple alternative to ELK and Loki

A modern rich text editor for Rails.

A PDF generator for Rails using Ferrum & headless Chrome

Headless Chrome Ruby API

Databases backup tool (PostgreSQL, MySQL, MongoDB)

Truly independent web browser

A modern, scalable analytics system

Context7 MCP Server -- Up-to-date code documentation for LLMs and AI code editors

High-level image processing wrapper for libvips and ImageMagick/GraphicsMagick

Deploy web apps anywhere.

AnyCable for Ruby on Rails applications

The Mindee fork of Origami, a pure Ruby library to parse, modify and generate PDF documents.

Versatile PDF creation and manipulation for Ruby

A Ruby gem to transform HTML into PDFs, PNGs or JPEGs using Google Puppeteer/Chromium