Find a project you care about.

Small tools, familiar favorites, and something you haven’t tried yet.

Repository filters

Stars

to

Forks

to

Repository license

More filters

Last code push

Root CONTRIBUTING.md detected

Time windows end at the snapshot check. Code push and issue update are separate signals. A detected license is not a review of every contribution’s rights. Project country is not inferred from contributors’ locations.

Project directory

2177 projects

Sort by

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.

OpenLiveWriter/OpenLiveWriter

Open Live Writer makes it easy to write, preview, and post to your blog.

C#2,541 stars489 forks4 open issuesLicense not identified

Code pushed Aug 15, 2026Metadata checked Oct 18, 2026Good First Issue · Up For Grabs

Find contribution tasks

OpenMined/PySyft

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

Python10,043 stars2,008 forks2 open issuesApache-2.0

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

Find contribution tasks

OpenRA/OpenRA

Open Source real-time strategy game engine for early Westwood games.

C#17,584 stars3,075 forks1,446 open issuesGPL-3.0

Code pushed Oct 11, 2026Metadata checked Oct 18, 2026First Contributions · Up For Grabs

Find contribution tasks

openrasta/openrasta-core

OpenRasta is an open-source .NET framework for building everything web, from web sites to RESTful APIs

C#84 stars68 forks39 open issuesMIT

Code pushed Sep 15, 2023Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

OpenRCT2/OpenRCT2

An Open Source Reimplementation of RollerCoaster Tycoon 2.

C++16,449 stars1,948 forks1,374 open issuesGPL-3.0

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

Find contribution tasks

OpenRefine/OpenRefine

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

Java12,042 stars2,186 forks671 open issuesBSD-3-Clause

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

Find contribution tasks

openseadragon/openseadragon

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

JavaScript3,523 stars705 forks416 open issuesBSD-3-Clause

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

Find contribution tasks

opensearch-project/OpenSearch

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

Java13,885 stars3,009 forks2,546 open issuesApache-2.0

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

Find contribution tasks

opensearch-project/OpenSearch-Dashboards

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

TypeScript2,130 stars1,289 forks1,457 open issuesApache-2.0

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

Find contribution tasks

opensourcedesign/opensourcedesign.github.io

Source code of the website opensourcedesign.net

HTML402 stars236 forks6 open issuesApache-2.0

Code pushed Oct 16, 2026Metadata checked Oct 18, 2026First Contributions

Find contribution tasks

opensourcediversity/opensourcediversity.org

For more diversity & inclusion in free & open source software communities 😊

HTML244 stars103 forks6 open issuesAGPL-3.0

Code pushed Dec 20, 2025Metadata checked Oct 18, 2026First Contributions

Find contribution tasks

openssl/openssl

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

C30,973 stars11,527 forks1,012 open issuesApache-2.0

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

Find contribution tasks

openstreetcraft.net

The Earth as Minecraft map

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

Code pushed Not checkedExternal host; GitHub metadata unavailableUp For Grabs

openSUSE

For desktop, server, and everything in between.

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

Code pushed Not checkedExternal host; GitHub metadata unavailableFirst Contributions

openSUSE/osem

Event Management App Tailored to Free Software Conferences

Ruby929 stars503 forks218 open issuesMIT

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

Find contribution tasks

OpenTTD/OpenTTD

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

C++8,381 stars1,304 forks218 open issuesLicense not identified

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

Find contribution tasks

openvinotoolkit/openvino

OpenVINO™ is an open-source toolkit for optimizing and deploying AI inference.

C++11,018 stars3,468 forks312 open issuesApache-2.0

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

Find contribution tasks

openworkflowdev/openworkflow

Open-source TypeScript framework for building durable, resumable workflows.

TypeScript1,337 stars71 forks12 open issuesApache-2.0

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

Find contribution tasks

openzfs/zfs

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

C12,494 stars2,069 forks1,247 open issuesLicense not identified

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

Find contribution tasks

oppia/oppia

Oppia is an open-source project whose aim is to empower learners across the globe by providing access to high-quality, engaging education. We envision a society in which access to high-quality education is a human right rather than a privilege.

Python6,865 stars5,816 forks1,719 open issuesApache-2.0

Code pushed Oct 16, 2026Metadata checked Oct 18, 2026Good First Issue · First Contributions · Up For Grabs

Find contribution tasks

opsdroid/opsdroid

An open source chat bot framework written in python.

Python868 stars427 forks101 open issuesApache-2.0

Code pushed May 5, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

optuna/optuna

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

Python14,930 stars1,426 forks18 open issuesMIT

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

Find contribution tasks

oracle/opengrok

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

Java5,000 stars841 forks528 open issuesLicense not identified

Code pushed Oct 14, 2026Metadata checked Oct 18, 2026Good First Issue

Find contribution tasks

orwa-mahmoud/adapttable

A headless React data table with batteries-included adapters for Mantine, MUI, Chakra UI, Ant Design, Radix, Base UI and shadcn/ui, plus an unstyled path for Tailwind. Tables become mobile cards automatically.

TypeScript56 stars7 forks12 open issuesMIT

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

Find contribution tasks

orwa-mahmoud/nightshift

An open-source plugin for accountable long-running Codex and Claude Code shifts, with persistent punch lists, mechanical completion gates, recovery, safety rules, and reviewable run history.

Shell77 stars5 forks2 open issuesMIT

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

Find contribution tasks

oscarbol09/audiobard

Multi-voice audiobooks from public-domain books with a local LLM and TTS

Python4 stars11 forks0 open issuesLicense not identified

Code pushed Oct 12, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

oscarbol09/branchbase

Zero-config, Git-native local database branching for PostgreSQL, MySQL, and SQLite.

Go6 stars8 forks0 open issuesMIT

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

Find contribution tasks

oshi/oshi

A JNA-based (native) Operating System and Hardware Information library for Java

Java5,271 stars911 forks2 open issuesMIT

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

Find contribution tasks

osm-search/Nominatim

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

Python4,520 stars862 forks100 open issuesGPL-3.0

Code pushed Oct 14, 2026Metadata checked Oct 18, 2026Good First Issue

Find contribution tasks

ostapondo/Plonk

A window manager for macOS. Draw the zones you want on each monitor, then drop windows into them with a drag, a shortcut or by saying so out loud. It keeps Rectangle's shortcuts, puts apps back on the right monitor when a display comes back, and runs on-device.

Swift17 stars2 forks14 open issuesMIT

Code pushed Oct 14, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

ostapondo/rescueloop

A local-first recovery agent that catches failures, gathers evidence, and proposes safe repairs.

Rust2 stars1 fork10 open issuesMIT

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

Find contribution tasks

ostapondo/wandful

Mouse gestures that fire keyboard shortcuts on macOS and Windows. Draw a shape you can repeat, and the shortcut you bound to it is typed into the app you were already using.

TypeScript3 stars0 forks12 open issuesMIT

Code pushed Oct 14, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

oven-sh/bun

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

Rust96,284 stars5,130 forks3,531 open issuesLicense not identified

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

Find contribution tasks

OWASP/CheatSheetSeries

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

JavaScript33,663 stars4,686 forks15 open issuesCC-BY-SA-4.0

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

Find contribution tasks

owljsorg/owljs

Backbone-like front-end MVC library without underscore.js and jQuery dependency

JavaScript9 stars7 forks3 open issuesMIT

Code pushed Feb 11, 2018Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

owncast/owncast

Your self-hosted live video streaming and chat server.

Go11,612 stars1,188 forks150 open issuesMIT

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

Find contribution tasks

owncloud/client

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

C++1,489 stars692 forks34 open issuesGPL-2.0

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

Find contribution tasks

owncloud/core

A safe home for all your data. Access & share your files, calendars, contacts, mail & more from any device, on your terms.

PHP8,837 stars2,058 forks112 open issuesAGPL-3.0

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

Find contribution tasks

oxynote/oxynote

Self-hosted documentation workspace with live Prometheus charts inside pages, real-time collaboration and pull-request-style reviews for docs.

Go217 stars17 forks55 open issuesApache-2.0

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

Find contribution tasks

oxyplot/oxyplot

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

C#3,541 stars977 forks618 open issuesMIT

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

Find contribution tasks

OzymorLab/OzymorLab-Frontend

Open-source AI-powered education infrastructure platform for assessment, grading, OCR, analytics, and learning intelligence.

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

Code pushed Not checkedRepository metadata unavailableUp For Grabs

Find contribution tasks

P-r-e-m-i-u-m/NexusAI

A full-stack AI agent platform built with Python and TypeScript.

Python5 stars13 forks33 open issuesLicense not identified

Code pushed Jun 5, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

P-r-e-m-i-u-m/open-source-starter-lab

Beginner-friendly open-source lab for practicing Git, GitHub, issues, pull requests, CI, and maintainer workflows.

TypeScript37 stars123 forks68 open issuesMIT

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

Find contribution tasks

p4lang/behavioral-model

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

C++656 stars401 forks54 open issuesLicense not identified

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

Find contribution tasks

p53ud0k0d3/UrlShortener

Shortens long urls. Select from a list of available hosts.

Python57 stars71 forks0 open issuesMIT

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

Find contribution tasks

pacocartones/free-llm-api-hub

A continuously verified dataset of free-tier and trial-credit LLM APIs. Most entry issues are one sourced fact (read a provider's terms, change one field), no code needed.

JavaScript98 stars44 forks49 open issuesMIT

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

Find contribution tasks

pacocartones/market-data-sanity-checker

CLI, TypeScript SDK and GitHub Action that catch bad market data (stale prices, unadjusted splits, gaps, outliers). Entry issues are small CLI features, docs and real-case test fixtures.

TypeScript4 stars7 forks5 open issuesMIT

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

Find contribution tasks

Pajkic-lab/twitter-clone

TwClone is a Twitter replica designed to showcase cutting-edge technologies, foster knowledge sharing, and cultivate a supportive developer community.

TypeScript9 stars12 forks21 open issuesLicense not identified

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

Find contribution tasks

PalisadoesFoundation/talawa-admin

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

TypeScript261 stars1,144 forks6 open issuesGPL-3.0

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

Find contribution tasks

panda3d/panda3d

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

C++5,253 stars896 forks310 open issuesLicense not identified

Code pushed Jul 28, 2026Metadata checked Oct 18, 2026Good First Issue

Find contribution tasks

pandas-dev/pandas

pandas: powerful Python data analysis toolkit

Python50,153 stars20,532 forks1,905 open issuesBSD-3-Clause

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

Find contribution tasks

pantsbuild/pants

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

Python3,845 stars730 forks1,001 open issuesApache-2.0

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

Find contribution tasks

PanXProject/awesome-certificates

List of IT, computer science and business courses with free certificates & badges.

No primary language detected5,856 stars483 forks41 open issuesCC0-1.0

Code pushed Jun 30, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

parse-community/parse-server

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

JavaScript21,396 stars4,810 forks405 open issuesApache-2.0

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

Find contribution tasks

patchrail/patchrail

Local-first CLI that classifies CI failure logs by root cause and suggests a fix, running fully offline so no data leaves your machine.

Python1 star3 forks21 open issuesApache-2.0

Code pushed Jul 23, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

PerlDancer/Dancer2

Fast, flexible, modern Perl web framework

Perl604 stars289 forks90 open issuesLicense not identified

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

Find contribution tasks

pester/Pester

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

PowerShell3,362 stars477 forks68 open issuesLicense not identified

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

Find contribution tasks

petabridge/lighthouse

Lighthouse - a simple service discovery platform for Akka.Cluster (Akka.NET)

F#175 stars96 forks2 open issuesApache-2.0

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

Find contribution tasks

petabridge/petabridge-dotnet-new

.NET CLI template for Petabridge-style projects

F#70 stars11 forks2 open issuesApache-2.0

Code pushed Jul 17, 2023Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks

petertzy/deepLocal

A local-first AI workbench for downloading, managing, chatting with, and serving GGUF models on your own computer.

Rust2 stars4 forks14 open issuesMIT

Code pushed Oct 12, 2026Metadata checked Oct 18, 2026Up For Grabs

Find contribution tasks