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2177 projects

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Open issue counts include all open issues, not only beginner tasks. Metadata is a snapshot; external hosts and unavailable repositories may have no GitHub data.

questdb/questdb

Read the project README and contribution instructions at its original source.

Java17,448 stars1,675 forks1,021 open issuesApache-2.0

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Good First Issue

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quick-perf/maven-test-bench

Performance test bench for Apache Maven project.

Java21 stars7 forks4 open issuesApache-2.0

Code pushed Mar 6, 2026Metadata checked Oct 18, 2026Up For Grabs

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quick-perf/quickperf

QuickPerf is a testing library for Java providing annotations to quickly evaluate some performance properties.

Java542 stars74 forks17 open issuesApache-2.0

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Up For Grabs

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quick-perf/quickperf-examples

Examples showing how to use [QuickPerf](https://github.com/quick-perf/quickperf) together with various frameworks (JUnit 4, JUnit 5, TestNG, Spring Boot, Micronaut, ...)

Java19 stars11 forks0 open issuesApache-2.0

Code pushed May 9, 2023Metadata checked Oct 18, 2026Up For Grabs

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quicktype/quicktype

Read the project README and contribution instructions at its original source.

TypeScript13,890 stars1,193 forks143 open issuesApache-2.0

Code pushed Oct 16, 2026Metadata checked Oct 18, 2026Good First Issue

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quixdb/squash

Abstraction library for data compression codecs.

C417 stars55 forks76 open issuesMIT

Code pushed Apr 2, 2020Metadata checked Oct 18, 2026Up For Grabs

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QuoteVote/quotevote-monorepo

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JavaScript34 stars71 forks43 open issuesLGPL-3.0

Code pushed Oct 16, 2026Metadata checked Oct 18, 2026Good First Issue

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qutebrowser/qutebrowser

A keyboard-driven, vim-like browser based on PyQt5

Python11,733 stars1,133 forks1,194 open issuesGPL-3.0

Code pushed Oct 12, 2026Metadata checked Oct 18, 2026First Contributions

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R4356th/HelloWorld

A collection of code to print out "Hello World!" in different languages.

Assembly15 stars41 forks1 open issueGPL-3.0

Code pushed Sep 29, 2026Metadata checked Oct 18, 2026Up For Grabs

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radareorg/radare2

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C25,074 stars3,367 forks733 open issuesLicense not identified

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Good First Issue

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radis/radis

A fast line-by-line code for computing high-resolution infrared molecular spectra

Python285 stars192 forks52 open issuesLGPL-3.0

Code pushed Sep 24, 2026Metadata checked Oct 18, 2026Up For Grabs

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rafanoronha/scala-poker

Scala Poker aims to be a whole online poker platform solution looking like attractive stuff to serious online poker businesses.

Scala21 stars11 forks10 open issuesMIT

Code pushed Apr 2, 2018Metadata checked Oct 18, 2026Up For Grabs

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raiden-network/raiden

A proposed extension to Ethereum which scales-out asset transfer capacity in the network.

Python1,833 stars371 forks288 open issuesLicense not identified

Code pushed Mar 28, 2024Metadata checked Oct 18, 2026Up For Grabs

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Rajath2005/game-snake

An epic, browser-based roguelite survival game built with React, Vite, and HTML5 Canvas.

TypeScript3 stars3 forks48 open issuesLicense not identified

Code pushed Jul 18, 2026Metadata checked Oct 18, 2026Up For Grabs

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Rajath2005/SmartCityApp

A Java-based Smart City application for managing users and places. Beginner-friendly issues available.

JavaScript15 stars38 forks43 open issuesMIT

Code pushed Sep 29, 2026Metadata checked Oct 18, 2026Up For Grabs

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rajfirke/provena

Context governance for agentic AI — tamper-evident audit trails for LLM context inputs

Python19 stars42 forks14 open issuesApache-2.0

Code pushed Oct 16, 2026Metadata checked Oct 18, 2026Up For Grabs

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rakudo/rakudo

Read the project README and contribution instructions at its original source.

Raku1,909 stars389 forks786 open issuesArtistic-2.0

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Good First Issue

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RamblingCookieMonster/PSSlack

PowerShell module for simple Slack integration

PowerShell273 stars72 forks38 open issuesMIT

Code pushed Dec 1, 2022Metadata checked Oct 18, 2026Up For Grabs

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RamParameswaran/pyAFL

Python AFL (Australian Football League) library for collecting/analysing AFL data

Python26 stars16 forks3 open issuesMIT

Code pushed Jun 15, 2025Metadata checked Oct 18, 2026Up For Grabs

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randombit/botan

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C++3,330 stars663 forks199 open issuesBSD-2-Clause

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Good First Issue

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rapidsai/cuml

Read the project README and contribution instructions at its original source.

Python5,306 stars688 forks753 open issuesApache-2.0

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Good First Issue

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RaRe-Technologies/gensim

Read the project README and contribution instructions at its original source.

Python16,505 stars4,403 forks394 open issuesLGPL-2.1

Code pushed Nov 1, 2025Metadata checked Oct 18, 2026Good First Issue

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RasmusBroborg/DotnetTimecode

Dotnet Timecode is a single class c# library built to create an API for working with SMPTE Timecodes.

C#9 stars7 forks0 open issuesMIT

Code pushed Dec 1, 2023Metadata checked Oct 18, 2026Up For Grabs

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raulvillares/3sacrowd

Mini puzzle game developed entirely with Vanilla JavaScript

JavaScript39 stars75 forks3 open issuesLicense not identified

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Up For Grabs

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raupach/AutoDrive_RouteManager

This is an external graphical editor and route manager for the AutoDrive Mod for Farming Simulator 19.

Java5 stars6 forks5 open issuesApache-2.0

Code pushed Dec 19, 2025Metadata checked Oct 18, 2026Up For Grabs

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Rawsec CyberSecurity Inventory

An inventory of tools and resources about CyberSecurity aiming to help people to find everything related to CyberSecurity.

Language not checkedStars not checkedForks not checkedIssue count not checkedLicense not identified

Code pushed Not checkedExternal host; GitHub metadata unavailableUp For Grabs

ray-project/ray

Read the project README and contribution instructions at its original source.

Python44,060 stars8,168 forks2,851 open issuesApache-2.0

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Good First Issue

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rcallaby/Learn-Git

This is perhaps one of the easiest ways to get introduced to open source

No primary language detected37 stars75 forks0 open issuesMIT

Code pushed Sep 22, 2026Metadata checked Oct 18, 2026Up For Grabs

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rclone/rclone

Read the project README and contribution instructions at its original source.

Go60,374 stars5,533 forks928 open issuesMIT

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Good First Issue

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react-auth-kit/react-auth-kit

Easily handle authentication in React Js Apps

TypeScript597 stars83 forks28 open issuesMIT

Code pushed Oct 13, 2026Metadata checked Oct 18, 2026Up For Grabs

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react-bootstrap/react-bootstrap

React-Bootstrap is a library of reusable front-end components. You'll get the look-and-feel of Twitter Bootstrap, but with much cleaner code, via Facebook's React.js framework.

TypeScript22,606 stars3,566 forks151 open issuesMIT

Code pushed Oct 16, 2026Metadata checked Oct 18, 2026Up For Grabs

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react-native-community/cli

Read the project README and contribution instructions at its original source.

TypeScript2,938 stars955 forks21 open issuesMIT

Code pushed Oct 15, 2026Metadata checked Oct 18, 2026Good First Issue

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react-native-community/react-native-share

Read the project README and contribution instructions at its original source.

Java3,898 stars974 forks2 open issuesMIT

Code pushed Aug 31, 2026Metadata checked Oct 18, 2026Good First Issue

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react-native-community/react-native-svg

Read the project README and contribution instructions at its original source.

TypeScript8,009 stars1,205 forks162 open issuesMIT

Code pushed Oct 15, 2026Metadata checked Oct 18, 2026Good First Issue

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react-toolbox/react-toolbox

Read the project README and contribution instructions at its original source.

JavaScript8,604 stars974 forks226 open issuesMIT

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Good First Issue

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react/react

A declarative, efficient, and flexible JavaScript library for building user interfaces.

JavaScript251,242 stars51,518 forks881 open issuesMIT

Code pushed Oct 15, 2026Metadata checked Oct 18, 2026Up For Grabs

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react/react-native

A framework for building native apps with React.

C++126,699 stars25,322 forks685 open issuesMIT

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Up For Grabs

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reactioncommerce/reaction

Read the project README and contribution instructions at its original source.

JavaScript12,396 stars2,168 forks91 open issuesGPL-3.0

Code pushed Mar 1, 2026Metadata checked Oct 18, 2026Good First Issue

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reactiveui/ReactiveUI

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

C#8,549 stars1,151 forks4 open issuesMIT

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Up For Grabs

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reactiveui/website

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.

C#36 stars122 forks1 open issueLicense not identified

Code pushed Oct 17, 2026Metadata checked Oct 18, 2026Up For Grabs

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reactjs/react-rails

Read the project README and contribution instructions at its original source.

JavaScript6,775 stars740 forks20 open issuesApache-2.0

Code pushed Jul 31, 2026Metadata checked Oct 18, 2026Good First Issue

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reactjs/reactjs.org

Read the project README and contribution instructions at its original source.

JavaScript11,820 stars7,960 forks878 open issuesCC-BY-4.0

Code pushed Oct 12, 2026Metadata checked Oct 18, 2026Good First Issue

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readthedocs/readthedocs.org

Read the project README and contribution instructions at its original source.

Python8,392 stars3,715 forks308 open issuesMIT

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Good First Issue

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rebus-org/Rebus

(Yet another) .NET durable messaging library, or "service bus" if you like

C#2,670 stars377 forks22 open issuesLicense not identified

Code pushed Sep 29, 2026Metadata checked Oct 18, 2026Up For Grabs

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Redential/redential-cli

Open-source CLI that turns private git history into an NDA-safe skill credential. Metadata only, the code never leaves the machine. Many starter issues are one-line additions to a JSON signature database, no code required.

TypeScript54 stars7 forks19 open issuesApache-2.0

Code pushed Oct 10, 2026Metadata checked Oct 18, 2026Up For Grabs

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Redo-San/RedoSan-Authenticity

Open-source digital authenticity toolkit - image, audio and document watermarking, 21 fingerprint hashes, C2PA provenance, DIDs, certificates and forensic analysis.

JavaScript1 star4 forks16 open issuesGPL-2.0

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Up For Grabs

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reductstore/reductstore

High Performance Data Backbone for Robotics and Industrial IoT

Rust374 stars48 forks11 open issuesApache-2.0

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Up For Grabs

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redux-orm/redux-orm

A small, simple and immutable ORM to manage relational data in your Redux store.

JavaScript2,929 stars109 forks66 open issuesMIT

Code pushed Jan 16, 2023Metadata checked Oct 18, 2026Up For Grabs

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redux-saga/redux-saga

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JavaScript22,410 stars1,931 forks18 open issuesMIT

Code pushed Sep 13, 2026Metadata checked Oct 18, 2026Good First Issue

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reeserich/collar_stay_business_card

Parametric business card with built-in emergency collar stays. Optimized for FDM/FFF 3D printing.

OpenSCAD0 stars0 forks5 open issuesGPL-2.0

Code pushed Nov 8, 2022Metadata checked Oct 18, 2026Up For Grabs

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refinedev/refine

Read the project README and contribution instructions at its original source.

TypeScript35,882 stars3,249 forks21 open issuesMIT

Code pushed Sep 10, 2026Metadata checked Oct 18, 2026Good First Issue

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reinvanoyen/cmf

Laravel CMF is the flexible Content Management Framework for your next application. This software allows for rapid creation of your Content Management System.

JavaScript10 stars10 forks1 open issueMIT

Code pushed Jun 17, 2026Metadata checked Oct 18, 2026Up For Grabs

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Rekin226/aquascope

Open-source Python toolkit for water data, hydrology, and agricultural water management. Unifies 15 global water-data sources behind one schema, with Bulletin 17C flood frequency, baseflow separation, FAO-56 crop water requirements, and an AI methodology recommender. Issues are scoped with clear acceptance criteria and a first-issue to second-issue to area-owner contributor ladder.

Python30 stars39 forks65 open issuesMIT

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Up For Grabs

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remacs/remacs

Read the project README and contribution instructions at its original source.

Emacs Lisp4,605 stars302 forks107 open issuesGPL-3.0

Code pushed Apr 7, 2021Metadata checked Oct 18, 2026Good First Issue

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renovatebot/renovate

Read the project README and contribution instructions at its original source.

TypeScript22,776 stars3,374 forks1,011 open issuesAGPL-3.0

Code pushed Oct 18, 2026Metadata checked Oct 18, 2026Good First Issue

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repo-reviews/repo-reviews.github.io

Support the community with a helpful ❤️ repo review ❤️

HTML15 stars25 forks7 open issuesCC0-1.0

Code pushed Nov 13, 2023Metadata checked Oct 18, 2026Up For Grabs

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resetercss/reseter.css

Reseter.css is an awesome CSS boilerplate for a website. It is a great tool for any web designer. Reseter.css resets all the premade styles by the browser. It normalizes the browser's stylesheet for a better cross-browser experience.

CSS1,258 stars90 forks0 open issuesMIT

Code pushed Oct 11, 2026Metadata checked Oct 18, 2026First Contributions

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responsively-org/responsively-app

Read the project README and contribution instructions at its original source.

TypeScript25,345 stars1,409 forks227 open issuesAGPL-3.0

Code pushed Oct 3, 2026Metadata checked Oct 18, 2026Good First Issue

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RetroShare/RetroShare

Cross-platform, friend-to-friend and secure decentralised communication platform.

C++2,022 stars325 forks260 open issuesLicense not identified

Code pushed Oct 8, 2026Metadata checked Oct 18, 2026Good First Issue · Up For Grabs

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revertinc/revert

Read the project README and contribution instructions at its original source.

TypeScript1,013 stars100 forks51 open issuesAGPL-3.0

Code pushed Apr 7, 2025Metadata checked Oct 18, 2026Good First Issue

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