A gem that measures block execution time, database query counts (when ActiveRecord is present), and memory allocation, displaying results in a formatted terminal table. Works in plain Ruby and Rails projects alike.

CloudWatch Logs Plugin for Fluentd with memory profiling

Generates date & time events from recurrence rules to support various calendar and scheduling use cases, with an emphasis on speed; the core of the Reprise gem is implemented as a Rust extension to enable its use for performance-sensitive workloads.

Connect to RSR Group data via FTP.

ChaCha20 stream cipher algorithm.

RubyDSP is a small gem for rudimentary audio processing, DSP, and synthesis. It aims to have basically zero dependencies (AND WARRANTIES)! See Documentation for more.

Ruby gem providing RubyGems and Ruby version information via MCP server tools. Integrates with Cursor IDE via Model Context Protocol.

Lightweight Ruby library for converting JSON data to TOON format, achieving 30-60% token reduction for LLM applications

Hasslefree autoconfiguration for logging, metrics and exception collection.

Track your memory and time performance in console, csv and/or logs.

Ruby gem providing ScoutAPM API client and MCP server tools for fetching traces, endpoints, metrics, errors, and insights. Integrates with Cursor IDE via Model Context Protocol.

Ruby gem providing a SearXNG HTTP client, CLI (search), and MCP server for web search. Integrates with Cursor IDE via Model Context Protocol.

A benchmarking suite for comparing performance of various serialization libraries in Ruby, including XML, JSON, and TOML parsers/generators.

A/B testing enabled HTTP proxy

Add a Spark of awesome to your ActionView Component.

An SRX segmenting engine

Ruby gem providing status page information from awesome-status via MCP server tools.

Provides component-scoped CSS encapsulation using [data-capsule] attributes for Phlex components, ViewComponent components, and ERB templates. Styles are automatically scoped to prevent leakage between components. Inspired by component-based CSS approaches like Angular's view encapsulation and CSS modules. Works with Rails and can be used standalone in other Ruby frameworks (Sinatra, Hanami, etc.) or plain Ruby scripts.

Sxn simplifies git worktree management with intelligent project rules and secure automation

Tarsier is a fast, clean Ruby web framework with async support, compiled routing, and zero runtime dependencies.