Open source. Open possibilities.

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later. It includes a Sinatra-based monitoring frontend and supports distributed workers with priority queues.

Forem is an open-source community platform that powers dev.to. It offers a Rails backend with a Preact frontend, requires PostgreSQL with the pgvector extension for AI-powered feed embeddings, and supports deployment via Kamal.

receiptisan is a CLI tool for analyzing Japanese electronic receipt files (RECEIPTC.UKE) to generate SVG preview and structured data (JSON/YAML) from medical claims data. It includes search functionality for medical master data and fast caching for data processing.

Homebrew is a free, open-source package manager for macOS and Linux, maintained by volunteers. It installs command-line formulae and GUI casks, offers brew bundle, audit tooling, documentation and analytics, and is funded through donations.

Fugu is a free, privacy-friendly, open-source product analytics platform built with Ruby on Rails. Self-hostable via Docker, it tracks and visualizes product usage data in a lightweight, no-cookie approach.

Ruby on Rails is a full-stack web application framework that follows the MVC pattern. It includes Active Record for database modeling, Action Pack for routing and controllers, Action View for templating, and additional libraries for mailers, jobs, WebSockets, file storage, and rich text handling. It enables rapid development of database-backed web applications.

Chatwoot is an open-source, self-hosted customer support platform and omnichannel help desk, positioned as an alternative to Intercom, Zendesk and Salesforce Service Cloud. It unifies live chat, email and social channels into one inbox, with an AI agent, help center, automation and reporting.

2024 Programming Challenges Roadmap: step-by-step exercises, solutions, videos, and rankings. Use any language and contribute your solutions.

ActiveAnalytics is a mountable Rails engine that adds first-party, privacy-focused traffic analytics to a Ruby on Rails app. It uses no cookies, no JavaScript and no third parties, reporting sources, page views, entry/exit pages and browser statistics.

Discourse is an open-source community platform designed for hosting discussion forums with real-time chat and extensive customization options.

asdf is a CLI tool that manages multiple language runtime versions using a single interface and a plugin-based system.

fastlane is an automation tool for iOS and Android developers to streamline tedious tasks like generating screenshots, managing provisioning profiles, and releasing applications.

A curated awesome list of open-source applications for macOS, organized by category with language tags and links to each project's repository.

Active Admin is a Ruby on Rails framework for quickly building elegant, customizable back-office administration interfaces with a developer-facing DSL and a business-facing UI.

SpellKit is a fast, safe Ruby gem with a Rust SymSpell implementation. It offers sub-millisecond latency, term protection via regex, hot-reloadable dictionaries, and zero dependencies. It supports multiple instances, skip patterns, and is production-ready for search-term extraction.

Awesomo is a curated collection of open source projects organized by programming language, offering developers a quick way to discover active repositories and contribute to open source.

Jekyll is a blog-aware static site generator written in Ruby. It turns Markdown and Liquid templates into a complete static website that can be served by any web server, and it powers GitHub Pages.

Grafana Pyroscope is a continuous profiling platform that surfaces performance insights from your applications, helping you optimize CPU, memory and I/O usage and debug bottlenecks down to a single line of code.

GitLab is a comprehensive open-source Git repository management platform providing tools for the entire software development lifecycle.