Awesome First PR Opportunities

A list of awesome beginners-friendly projects.

Inspired by First Timers Only blog post and YourFirstPR project.

If you are an open source project maintainer, add the label first-timers-only (or similar) to your project and list it here so people can find it.

If you are looking to contribute then explore this list, look at first-timers-only labelled open issues on Github, and follow @first_tmrs_only on Twitter to be notified when a new first-timers-only issue is created.

.NET

• Shouldly (label: Jump-In)
  Should testing for .net - the way Asserting Should be!
• MvvmCross (label: first-timers-only)
  The .NET MVVM framework for cross-platform solutions, including Xamarin.iOS, Xamarin.Android, Windows and Mac.

C

• Neovim (label: good first issue)
  Vim-fork focused on extensibility and agility.

C++

• electron (label: help/beginner)
  Build cross platform desktop apps with JavaScript, HTML, and CSS
• tensorflow (label: stat:contributions welcome) Computation using data flow graphs for scalable machine learning

Clojure

• Alda (label: low-hanging-fruit)
  A music programming language for musicians. 🎶

ClojureScript

• LightTable (label: beginner)
  The Next Generation code editor! One of the top funded projects on KickStarter.

Dart

• webdev.dartlang.org (label: beginner)
  A website for developers writing Dart web apps, including AngularDart apps.
• www.dartlang.org (label: beginner)
  A website covering the Dart language and common libraries, for developers of Dart libraries, web apps, server-side code, and mobile (Flutter) apps.

Elixir

• Elixir (label: Level:Starter)
  Elixir is a dynamic, functional language designed for building scalable and maintainable applications
• Ecto (label: Level:Starter)
  Ecto is a database wrapper and language integrated query for Elixir

Go

• captain (label: first-timers-only)
  The Captain is a free open source framework for controlling autonomous vehicles (e.g., drones) and interacting with other autonomous vehicles and services.
• Moby (label: exp/beginner)
  Open-source application container engine
• Apex (label: contrib (easy))
  Build, Deploy, and Manage AWS Lambda functions with ease
• Hugo (label: exp/beginner)
  A Fast and Flexible Static Site Generator built with love in GoLang
• CockroachDB (label: easy)
  The Scalable, Survivable, Strongly-Consistent SQL Database
• Helm (label: starter)
  The Kubernetes Package Manager

Java

• TEAMMATES (label: d.FirstTimers)
  TEAMMATES is a free online tool for managing peer evaluations and other feedback paths of your students.
• elasticsearch (label: low hanging fruit)
  Open Source, Distributed, RESTful Search Engine.
• JabRef (label: good first issue)
  Desktop application moving from SWING to JavaFX. Focus on code quality: Usage of code quality tools such as CodeCov and Codacy. Each Pull Request is reviewed by two developers to provide high-quality feedback and to ensure high quality of new contributions.
• Wikimedia Commons Android App (label: beginner friendly)
  Allows users to upload pictures from their Android phone/tablet to Wikimedia Commons.

JavaScript

• missioncontrol (label: first-timers-only)
  Mission Control is a free and open marketplace connecting autonomous vehicles (e.g., drones) with users looking for services such as package deliveries.
• missions (label: first-timers-only)
  Missions is a mobile web app connecting DAV users looking to ship packages with autonomous drones looking for work in an open and free marketplace.
• annyang (label: first-timers-only)
  A popular Speech Recognition library used to communicate with everything from websites to smart mirrors to flying drones.
• Clementine.js Boilerplate (label: beginner)
  The elegant and lightweight full stack JavaScript boilerplate.
• PouchDB (label: first time only)
  PouchDB is a pocket-sized database.
• Leaflet (label: good first issue)
  JavaScript library for mobile-friendly interactive maps.
• angular-formly (label: first-timers-only)
  JavaScript powered forms for AngularJS.
• Dragula (label: first-timers-only)
  Drag and drop so simple it hurts.
• UI.Layout directive (Angular UI) (label: first-timers-only)
  Angular directive that allows you to split!
• history (label: good-for-beginner)
  A minimal, functional history library for JavaScript.
• TodoMVC (label: first time contributor)
  Helping you select an MV* framework by implementing Todo in lots of Javascript apps.
• Adobe Brackets (label: starter bug)
  An open source code editor for the web, written in JavaScript, HTML and CSS.
• AVA (label: good for beginner)
  Futuristic test runner.
• Kinto.js (label: easy-pick)
  An offline-first JavaScript client leveraging the Kinto API for remote data synchronization.
• ESLint (label: beginner)
  A fully pluggable tool for identifying and reporting on patterns in JavaScript.
• Webpack (label: D0: My First Commit (Contrib. Difficulty))
  A bundler for javascript and friends.
• Tessel 2 CLI (label: contribution-starter)
  Command line interface to Tessel 2.
• Ember.js (label: Good for New Contributors)
  A JavaScript framework for creating ambitious web applications.
• Ember.js Data (label: Good for New Contributors)
  A data persistence library for Ember.js.
• FreeCodeCamp (label: first-timers-only)
  Open source codebase and curriculum. Learn to code and help nonprofits.
• Ghost (label: good first issue)
  Just a blogging platform
• eslint-plugin-unicorn (label: good for beginner)
  Awesome ESLint rules.
• Hyper (label: good first issue)
  JS/HTML/CSS Terminal
• pdf.js (label: 5-good-beginner-bug)
  PDF Reader in JavaScript
• Moment.js (label: Up-For-Grabs)
  A lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates.
• serverless (label: help-wanted-easy)
  The Serverless Framework
• Hoodie Camp (label: first-timers-only)
  Hoodie Camp is a space for new and existing contributors.
• React server (label: good-first-contribution)
  React framework with server render for blazing fast page load and seamless transitions between pages in the browser.
• Yarn (label: good-first-contribution)
  Fast, reliable, and secure dependency management.
• pixi.js (label: Difficulty: Easy)
  A 2D JavaScript Renderer
• Next.js (label: good first issue)
  A minimalistic framework for universal server-rendered React applications
• keystonejs (label: good first task)
  The open source framework for developing database-driven websites, applications and APIs in Node.js. Built on Express and MongoDB.
• Semantic-UI-React (label: good first contribution)
  The official React integration for Semantic UI.
• electron (label: help/beginner)
  Build cross platform desktop apps with JavaScript, HTML, and CSS
• Botpress (label: for-new-contributors)
  The only sane way to build great bots.
• Atom (label: beginner)
  The hackable text editor
• cdnjs (label: BEGINNER)
  The best FOSS web front-end resource CDN
• Video.js (label: first-timers-only)
  The player framework
• Operation Code (label:beginner-friendly)
  Operation Code is a non-profit organization that are helping Veterans and their families get into the tech industry through mentorships, scholarships, and providing a supportive community.
• stryker (label: beginner friendly)
  The JavaScript mutation testing framework
• Kap (label: good first issue)
  An open-source screen recorder built with web technology
• Reddit Enhancement Suite (label: help wanted)
  A browser extension to enhance the Reddit browsing experience.
• Brave Browser (label: bug/good-first-bug)
  Desktop browser for macOS, Windows, and Linux.

Julia

• Julia Language: Help wanted (label: help wanted)
  "Move like Python, Run like C" - A fresh approach to technical computing!
• Julia Language: Good first issue (label: good first issue )
  "Move like Python, Run like C" - A fresh approach to technical computing!

PHP

• phpMyAdmin (label: newbie)
  Admin interface for MySQL written in PHP.
• Deployer (label: good for beginner)
  A deployment tool written in PHP with support for popular frameworks out of the box.
• Piwik (label: Easy Pick)
  Piwik is the leading Free/Libre open analytics platform.
• OrgManager (label: beginners-only)
  Supercharge your GitHub organizations!
• PHP Censor (label: good-for-beginner)
  Open source self-hosted continuous integration server for PHP projects.

Python

• catapult (label: Good First Bug)
  Catapult home for performance tools.
• Python Babel (label: difficulty/low)
  The Python Internationalization Library.
• Kinto (label: easy-pick)
  A lightweight JSON storage service with synchronisation and sharing abilities.
• BorgBackup (label: easy)
  Deduplicating backup program with compression and authenticated encryption.
• pylearn2 (label: For beginners)
  A Machine Learning library based on Theano.
• scrapy (label: easy)
  A fast high-level web crawling & scraping framework for Python.
• mitmproxy (label: good first contribution)
  An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers
• Mailpile (label: low hanging fruit)
  A free & open modern, fast email client with user-friendly encryption and privacy features
• coala (label: difficulty/newcomer)
  A unified command-line interface for linting and fixing all your code, regardless of the programming languages you use.
• jarvis (label: difficulty/newcomer)
  A personal assistant for Linux based on Command line Interface.
• qutebrowser (label: easy)
  A keyboard-driven, vim-like browser based on PyQt5.
• Pybee/voc (label: first-timers-only)
  A transpiler that converts Python code into Java bytecode.
• Pybee/batavia (label: first-timers-only)
  A Javascript implementation of the Python virtual machine.
• JARVIS-on-Messenger (label: Low-Hanging Fruit)
  💬 A community-driven python bot that aims to be as simple as possible to serve humans with their everyday tasks http://m.me/J.A.R.V.I.S.on.Messenger
• Pytest (label: easy)
  The pytest framework makes it easy to write small tests, yet scales to support complex functional testing.
• Fabric (label: Low-hanging fruit)
  Pythonic remote execution and deployment.
• Jupyter notebook (label: good first issue)
  Jupyter interactive notebook.
• Concept to Clinic (label: good first issue)
  Aims to develop an end-to-end application for lung cancer detection that connects the predictive power of machine learning with functional software tested against errors and a clean user interface focused on clinical use.
• Zulip (label: good first issue)
  Powerful open source group chat.
• cookiecutter (label: low-hanging-fruit)
  A command-line utility that creates projects from cookiecutters (project templates). E.g. Python package projects, jQuery plugin projects.

Ruby

• JRuby (label: beginner)
  An implementation of Ruby on the Java Virtual Machine.
• puppet-mcollective (label: beginner friendly)
  MCollective Server and Client Puppet Module.
• Sinatra (label: good first issue)
  Classy web-development dressed in a DSL.
• Goby (label: beginner)
  Framework for developing text-RPGs.
• Hanami (label: easy)
  A modern framework for Ruby.
• operationcode (label: beginner friendly)
  An open source community dedicated to getting military veterans coding._
• chef (label: Type: Jump In)
  A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure
• ohai (label: Type: Jump In)
  Ohai profiles your system and emits JSON
• PublicLab.org (label: first-timers-only)
  An open source publishing platform for environmental projects. Check out new contributors welcome page.

Rust

• Servo (label: E-easy)
  A browser engine designed for applications including embedded use.
• Rust-Clippy (label: good first issue)
  A bunch of lints to catch common mistakes and improve Rust code
• Rustfmt (label: good-first-issue)
  A tool for formatting Rust code according to style guidelines.
• Iron (label: easy)
  An extensible, concurrent web framework for Rust

Scala

• Twitter Util (label: Starter)
  Wonderful reusable code from Twitter
• playframework (label: good first issue)
  The High Velocity Web Framework

TypeScript

• TypeScript (label: Effort: Easy)
  A superset of JavaScript that compiles to clean JavaScript output.
• Visual Studio Code (label: good first issue)
  A new type of tool that combines the simplicity of a code editor with what developers need for their core edit-build-debug cycle.
• TSLint (label: good first issue)
  An extensible static analysis tool that checks TypeScript code for readability, maintainability, and functionality errors.

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License

To the extent possible under law, the author has waived all copyright and related or neighboring rights to this work.