Rack Server API

Searches the FCC's FM, AM, and TV databases

Server-side SDK for evaluating feature flags with Featureflip

Command line tool for tracking achievments, tasks and interactions. You can add work items, view them and run a webserver to share them with other people, for example via screen sharing. This tool is designed to run in a terminal completely local without sharing any data with any other service....

Exposes Firestore operations (inventory management) as MCP tools over stdio.

A clean, idiomatic Ruby interface to the Fizzy API with minimal dependencies

Ruby client for Flagstack feature flag management. Syncs flags to local Flipper adapter for fast reads and offline resilience.

A static site generator.

Ruby SDK for Fluyenta observability platform (fork of brainzlab-ruby). Includes Recall (structured logging), Reflex (error tracking), and Pulse (APM with distributed tracing). Auto-instruments Rails, Sidekiq, GraphQL, Redis, and more.

A comprehensive Ruby client for the Follow Up Boss API with Rails 8 compatibility, secure cookie authentication for SharedInbox, and enhanced features for real estate CRM integration.

Fontisan provides font analysis tools and utilities. It is designed as a pure Ruby implementation with full object-oriented architecture, supporting extraction of information from OpenType and TrueType fonts (OTF, TTF, OTC, TTC). The gem provides both a Ruby library API and a command-line interf...

Ford allows you to split a ruby script into stages of a scalable and performant pipeline

Forest is a modern admin interface that works on all major web frameworks. This gem makes Forest admin work on any Ruby application.

Fractor is a lightweight Ruby framework designed to simplify the process of distributing computational work across multiple Ractors.

A thread-safe Ruby client for FreeSWITCH Event Socket Library connections. Focused on inbound mod_event_socket integration with command execution, bgapi jobs, JSON event handling, and reconnect support.

A command line tool to interface with FurAffinity

Fuse Filesystem backed by link shortify

Fast fuzzy string matching for rails

A simple, reliable Ruby gem for sending events to Google Analytics 4 (GA4) using the Measurement Protocol. Features include batch sending, event validation, retry logic, debug mode, and configurable logging. Works with any Ruby application - no framework dependencies required.

An adventure game and interactive fiction framework