Ranked awesome lists, all in one place

This list is a copy of MunGell/awesome-for-beginners with ranks

Awesome First PR Opportunities ★73813

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: easy fix)
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.

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: your-first-pr)
Classy web-development dressed in a DSL.
Goby ★46 (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: E-easy)
A bunch of lints to catch common mistakes and improve Rust code
Rustfmt (label: easy)
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: newbie) The High Velocity Web Framework

TypeScript

TypeScript (label: Effort: Easy) TypeScript is 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.

Contribute

Contributions are welcome! See the contribution guidelines.

License