Crawlr is a modern Ruby web scraping framework built for respectful and efficient data extraction. Features async HTTP requests, robots.txt compliance, cookie management, proxy rotation, flexible CSS/XPath selectors, and comprehensive error handling. Designed for both simple scraping tasks and complex, large-scale data extraction projects.

Supports HTTP/2, HTTP/1.X, HTTP proxying, connection pooling, concurrent requests, and lots more

DiscordRDA (Ruby Development API) is a modern, scalable Ruby library for Discord bot development

Discord.rb (not to be confused with discordrb) is a Ruby library that allows you to interact only with the Discord API. The library is still in development, but really simple tasks can be done.

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

A Ruby stream processing library built around Fiber and Fiber.scheduler.

Easy way tp access data from finviz.com.

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

Fluentd input/output plugin to forward OpenTelemetry Protocol data.

A very simple web framework made with async http

HttpLoader is a powerful, high-concurrency performance and load testing console tool. Built on asynchronous Ruby, it evaluates server limits by opening massive numbers of persistent connections and holding them open. It utilizes event-driven I/O with optional periodic ping requests to keep connections active, allowing you to rigorously benchmark maximum concurrent socket capacity with precision and minimal client-side overhead.

A Ruby gem for interacting with the Jules API to programmatically create and manage asynchronous coding tasks.

A framework for loadtesting sites.

LlamaBotRails is a gem that turns your existing Rails App into an AI Agent by connecting it to an open source LangGraph agent, LlamaBot.

An asynchronous server that creates events for your event-driven application to use

Tiny mock-server with simple configuration

Nous crawls same-host web pages, extracts readable content, and serializes clean Markdown as text or JSON.

A production-grade Ruby client for Nostr Wallet Connect (NIP-47). Handles the Nostr protocol, NIP-04 and NIP-44 v2 encryption, secp256k1 key derivation, Schnorr signing, and — most importantly — a reliable long-running WebSocket connection to the relay with heartbeat pings, forced recycle, exponential backoff, and SIGTERM handling. Developers call `pay_invoice`, `make_invoice`, `lookup_invoice`, etc. and `subscribe_to_notifications { |n| ... }` — the transport reliability is hidden.

OnyxCord is a Ruby Discord API library with Components V2, modern modals, raw-first events, and community support: https://discord.gg/Jy2tpCUtzM.