Blazingly fast DataFrames for Ruby

File Attachment toolkit for Ruby applications

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 high-performance web server for Ruby, supporting HTTP/1, HTTP/2 and TLS.

A PostgreSQL client library for Ruby

Ruby bindings for Rust. Write Ruby extension gems in Rust, or call Ruby from Rust.

Provides iteration per second benchmarking for Ruby

JSON implementation for Ruby

Memory profiling benchmark style, for Ruby 2.1+

Isolated Module Autoloader for Ruby

📏 next generation CRuby profiler

Ruby heap profiler

Read only ActiveRecord-like interface to query static YAML files

Common code needed by the other RSpec gems. Not intended for direct use.

A Ruby language server for large codebases

A Ruby LSP addon for RSpec tests

Firefox Profiler — Web app for Firefox performance analysis

Makes your background jobs interruptible and resumable by design.

Debugging functionality for Ruby

Boot large Ruby/Rails apps faster

A SQL parser. It wraps libgda

Fully-featured benchmark driver for Ruby 3x3

Ruby business day calculations

High-performance HTML5 parser for Ruby based on Lexbor, with support for both CSS selectors and XPath.