Showing 1698 open source projects for "open"

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  • 1
    wombat

    wombat

    Lightweight Ruby DSL for scraping structured data from web pages

    Wombat is a lightweight web crawling and scraping library written in Ruby that focuses on extracting structured data from web pages using a concise domain-specific language (DSL). It is designed to simplify the process of defining how information should be collected from HTML documents without requiring large amounts of scraping boilerplate code. Developers can declare the data fields they want and specify selectors or rules for retrieving them, allowing Wombat to parse and return structured...
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  • 2
    Ahoy

    Ahoy

    Simple, powerful, first-party analytics for Rails

    Ahoy is a first-party analytics library built primarily for Ruby on Rails, designed to let applications track visits and events in a clean, integrated way rather than relying on third-party tooling. It stores data in your own database by default, which gives developers full control over what data is captured, how it's processed, and how it’s used, sidestepping privacy concerns of external analytics providers. The library supports Rails, JavaScript, and native apps, making it flexible across...
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  • 3
    Hanami

    Hanami

    A flexible framework for maintainable Ruby apps

    Hanami is a modern Ruby web framework that aims to be lightweight, fast, and modular, in contrast to the monolithic design of Rails. It emphasizes separation of concerns, encouraging developers to structure applications into clear layers of controllers, views, entities, and repositories. Each component—like the router, model layer, or view rendering engine—can be used independently, which gives developers flexibility to build lean applications. Hanami promotes immutability, plain old Ruby...
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  • 4
    Geocoder

    Geocoder

    Complete Ruby geocoding solution

    Geocoder is a full-featured geocoding library for Ruby that integrates seamlessly with Rails applications. It enables converting addresses into geographic coordinates (latitude and longitude) and vice versa, known as reverse geocoding. The gem supports multiple geocoding services like Google, Bing, Mapbox, and OpenStreetMap, letting developers choose based on cost or coverage. Beyond simple geocoding, Geocoder can perform IP address lookups, distance queries, and proximity searches directly...
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  • 5
    Rails Admin

    Rails Admin

    RailsAdmin is a Rails engine that provides an easy-to-use interface

    RailsAdmin is a mountable admin backend for Ruby on Rails that generates polished CRUD interfaces for your Active Record models. It automatically infers fields, associations, and validations, giving you searchable, sortable list views and rich edit forms with very little setup. The engine supports custom actions, batch operations, and export flows so non-developer staff can manage content and data safely. It integrates with popular authentication and authorization systems (e.g., Devise for...
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  • 6
    Pundit

    Pundit

    Minimal authorization through OO design and pure Ruby classes

    Pundit (varvet/pundit) is a Ruby gem that provides a simple and effective framework for adding authorization logic to Rails (or other Ruby) applications. It centers around policy classes—one policy per model or resource—that define what actions a given user is permitted to perform (e.g., show?, update?, destroy?). Each policy method returns a boolean, and can be structured using combinators or shared logic to keep things DRY. In controllers and views, Pundit provides helpers like authorize,...
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  • 7
    Sinatra

    Sinatra

    Classy web-development dressed in a DSL

    Sinatra is a minimalist Ruby web framework that focuses on simplicity and flexibility, letting developers define web applications in just a few lines of code. Its DSL maps routes directly to Ruby blocks, making it straightforward to build APIs, small services, and quick prototypes without the overhead of full-stack frameworks like Rails. Despite its simplicity, Sinatra supports middleware, templates, sessions, filters, and helpers, so it can grow with more complex requirements. The framework...
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  • 8
    Jekyll Picture Tag

    Jekyll Picture Tag

    Easy responsive images for Jekyll

    My life just got a lot busier; I'd really like a maintainer or two to help. I'm not abandoning JPT, I just don't have a ton of time to put into hacking on it. If you've been learning Ruby and you want to move beyond tutorials and throwaway projects, I'd love to hear from you. I'd be happy to help you gain experience and credibility, if you're willing to help me maintain this project! It's simple to throw a photo on a page and call it a day, but doing justice to users on all different...
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  • 9
    HTMLProofer

    HTMLProofer

    Test your rendered HTML files to make sure they're accurate.

    HTMLProofer is a set of tests to validate your HTML output. These tests check if your image references are legitimate, if they have alt tags, if your internal links are working, and so on. It's intended to be an all-in-one checker for your output. In scope for this project is any well-known and widely-used test for HTML document quality. A major use for this project is continuous integration -- so we must have reliable results. We usually balance correctness over performance. And, if...
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  • 10
    RuboCop

    RuboCop

    A Ruby static code analyzer and formatter, based on the community Ruby

    RuboCop is a Ruby static code analyzer (a.k.a. linter) and code formatter. Out of the box it will enforce many of the guidelines outlined in the community Ruby Style Guide. RuboCop packs a lot of features on top of what you’d normally expect from a linter. Works with every major Ruby implementation. Autocorrection of many of the code offenses it detects. Robust code formatting capabilities. Multiple result for matters for both interactive use and for feeding data into other tools. Ability to...
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  • 11
    Octokit

    Octokit

    Ruby toolkit for the GitHub API

    API wrappers should reflect the idioms of the language in which they were written. Octokit.rb wraps the GitHub API in a flat API client that follows Ruby conventions and requires little knowledge of REST. Most methods have positional arguments for required input and an options hash for optional parameters, headers, or other options. While most methods return a Resource object or a Boolean, sometimes you may need access to the raw HTTP response headers. Access tokens can be revoked, removing...
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  • 12
    github-changelog-generator

    github-changelog-generator

    Automatically generate change log from your tags, issues, labels, etc.

    Automatically generate change log from your tags, issues, labels and pull requests on GitHub. Fully automated changelog generation - This gem generates a changelog file based on tags, issues and merged pull requests (and splits them into separate lists according to labels) from octocat: GitHub. What’s the point of a changelog? To make it easier for users and contributors to see precisely what notable changes have been made between each release (or version) of the project. Why should I care?...
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  • 13
    AWS X-Ray SDK for Ruby

    AWS X-Ray SDK for Ruby

    The official AWS X-Ray Recorder SDK for Ruby

    AWS X-Ray recommends using AWS Distro for OpenTelemetry (ADOT) to instrument your application instead of this X-Ray SDK due to its wider range of features and instrumentation. The AWS X-Ray SDK for Ruby is compatible with Ruby 2.3.6 and newer Ruby versions. It has experimental support for JRuby 9.2.0.0 (still forthcoming). To install the Ruby gem for your project, add it to your project Gemfile. You must also add either the Oj or JrJackson gems, for MRI and JRuby respectively, for JSON...
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  • 14
    Jazzy

    Jazzy

    Soulful docs for Swift & Objective-C

    jazzy is a command-line utility that generates documentation for Swift or Objective-C. Instead of parsing your source files, jazzy hooks into Clang and SourceKit to use the AST representation of your code and its comments for more accurate results. The output matches the look and feel of Apple’s official reference documentation, post WWDC 2014. Jazzy can also generate documentation from compiled Swift modules using their symbol graph instead of source code. You need development tools to...
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  • 15
    MCP UI

    MCP UI

    SDK for building interactive UI components over MCP for AI tools

    mcp-ui is a software development kit designed to bring interactive user interface capabilities to applications built on the Model Context Protocol (MCP). It enables developers to create rich, dynamic UI components that can be delivered from an MCP server and rendered seamlessly by a compatible client. Instead of returning only text responses, tools can provide structured UI resources such as HTML or remote-rendered components, allowing more engaging and functional interactions. mcp-ui...
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  • 16
    Searchkick

    Searchkick

    Intelligent search made easy

    Searchkick brings powerful, production-ready search to Rails by mapping Active Record models into Elasticsearch with sensible defaults and easy customization. It supports language analyzers, stemming, synonyms, misspelling tolerance, and highlighting so search results feel natural to end users. Indexing is model-centric: you declare what fields to index, add computed fields, and trigger reindexing via callbacks or background jobs, with options for zero-downtime rolling reindexes. On the...
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  • 17
    Middleman

    Middleman

    Hand-crafted frontend development

    Middleman is a Ruby-powered static site generator that emphasizes clean templates, flexible layouts, and a great developer experience. It supports common templating languages (ERB, Haml, Slim) and content formats (Markdown, AsciiDoc), plus front-matter metadata to drive layouts, navigation, and per-page behavior. A built-in dev server with live reload keeps iteration fast, while an asset pipeline handles fingerprinting, minification, and cache-friendly builds. Extensions cover blogging,...
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  • 18
    Whenever

    Whenever

    Cron jobs in Ruby

    Whenever (javan/whenever) is a Ruby gem that provides a clean, Ruby DSL for defining and managing cron jobs within your application. Rather than editing system cron tables by hand, you describe scheduled tasks in a schedule.rb file using methods like every, runner, command, or rake. The gem then compiles this schedule into a standard crontab format and installs it for you, handling all the necessary quoting, environment setup, and command path resolution. It supports specifying execution...
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  • 19
    Code Climate CLI

    Code Climate CLI

    Code Climate CLI

    Align initiatives with strategic priorities, accelerate software delivery, and drive continuous improvement with the leading Engineering Intelligence Solution. Software development teams used to operate in the dark, forced to make decisions based on gut feel and anecdotes, causing friction, creating silos, and leading to mediocre outcomes. Today, forward-thinking engineering leaders leverage data-driven insights to build a culture of trust and high performance. Align on business priorities...
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  • 20
    Faraday

    Faraday

    Simple, but flexible HTTP client library, with support for backends

    Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters (such as Net::HTTP) and embraces the concept of Rack middleware when processing the request/response cycle. You probably don't want to use Faraday directly in your project, as it will lack an actual client library to perform requests. Instead, you probably want to have a look at Awesome Faraday for a list of available adapters. The best starting point is the Faraday Website, with its...
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  • 21
    Concurrent Ruby

    Concurrent Ruby

    Modern concurrency tools including agents, futures, promises, etc.

    Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns. Concurrent Ruby is an 'unopinionated' toolbox that provides useful utilities without debating which is better or why. It remains free of external gem dependencies. It stays true to the spirit of the languages providing inspiration, but implements in a way that makes sense for Ruby. Keeps the semantics as...
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  • 22
    Puma

    Puma

    A Ruby/Rack web server built for concurrency

    Unlike other Ruby Webservers, Puma was built for speed and parallelism. Puma is a small library that provides a very fast and concurrent HTTP 1.1 server for Ruby web applications. It is designed for running Rack apps only. What makes Puma so fast is the careful use of a Ragel extension to provide fast, accurate HTTP 1.1 protocol parsing. This makes the server scream without too many portability issues. If you are using Bundler, just add Puma to your project's Gemfile. Once you've installed...
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  • 23
    Resque

    Resque

    Ruby library for creating background jobs and processing them

    Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later. Resque (pronounced like "rescue") is a Redis-backed library for creating background jobs, placing those jobs on multiple queues, and processing them later. Background jobs can be any Ruby class or module that responds to perform. Your existing classes can easily be converted to background jobs or you can create new classes specifically to do work. Or, you can do...
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  • 24
    Foreman

    Foreman

    Manage Procfile-based applications

    Foreman is a Procfile-based process manager that mirrors Heroku’s process model, making it easy to run multi-process applications in development and beyond. You declare your app’s processes (web workers, background jobs, schedulers) in a Procfile, and Foreman starts them together, streams multiplexed logs, and manages environment variables from .env files. It handles port assignment and process concurrency, so you can spin up multiple copies of a worker or web server with a single command....
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  • 25
    Chartkick

    Chartkick

    Create beautiful JavaScript charts with one line of Ruby

    Chartkick is a Ruby gem that makes it easy to generate beautiful charts in Rails and other Ruby applications with minimal code. It provides a high-level API where developers can use simple helpers like line_chart, pie_chart, or column_chart and pass in data arrays or ActiveRecord queries. Under the hood, it works with popular charting libraries such as Google Charts, Chart.js, and Highcharts, but hides their verbose JavaScript APIs behind a clean Ruby interface. It also handles things like...
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