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1,489 open-source projects with open good first issues, scored on how welcoming they are to a first PR. Say what you like: a language, a field, fast maintainers.

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1,489 repos

by best score

  • JuliaLang/julia

    The Julia Programming Language

    64good first issues+92 help wanted
    • Julia
    • Field: Scientific Computing
    • Field: Compilers
    • Stars:49.2K
    • MIT
    • CONTRIBUTING
    • replies in ~8h
    Score99 out of 100 contributor score, very welcomingFirst-PR friendly

  • FreeCAD/FreeCAD

    Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

    152good first issues+141 help wanted
    • C++
    • Field: Graphics
    • Field: OS
    • Stars:33.8K
    • LGPL-2.1
    • CONTRIBUTING
    • replies in ~12h
    Score99 out of 100 contributor score, very welcomingFirst-PR friendly

  • apache/airflow

    Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

    135good first issues
    • Python
    • Field: Data Science
    • Field: Machine Learning
    • Stars:47K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~48m
    Score98 out of 100 contributor score, very welcomingFirst-PR friendly

  • topoteretes/cognee

    Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with…

    59good first issues+2 help wanted
    • Python
    • Field: Machine Learning
    • Field: Databases
    • Stars:31.2K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~23h
    Score98 out of 100 contributor score, very welcomingFirst-PR friendly

  • symfony/symfony

    The Symfony PHP framework

    46good first issues+52 help wanted
    • PHP
    • Stars:31.2K
    • MIT
    • CONTRIBUTING
    • replies in ~48m
    Score98 out of 100 contributor score, very welcomingFirst-PR friendly

  • organicmaps/organicmaps

    🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and…

    172good first issues
    • C++
    • Field: Mobile
    • Stars:15.5K
    • CONTRIBUTING
    • replies in ~4h
    Score98 out of 100 contributor score, very welcomingFirst-PR friendly

  • x64dbg/x64dbg

    An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

    44good first issues
    • C++
    • Field: Security
    • Stars:49.6K
    • CONTRIBUTING
    • replies in ~6h
    Score97 out of 100 contributor score, very welcomingFirst-PR friendly

  • nextcloud/server

    ☁️ Nextcloud server, a safe home for all your data

    65good first issues+14 help wanted
    • PHP
    • Field: DevOps
    • Stars:37K
    • AGPL-3.0
    • CONTRIBUTING
    • replies in ~16h
    Score97 out of 100 contributor score, very welcomingFirst-PR friendly

  • CleverRaven/Cataclysm-DDA

    Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

    55good first issues+89 help wanted
    • C++
    • Field: Game Dev
    • Stars:13.3K
    • CONTRIBUTING
    • replies in ~4h
    Score97 out of 100 contributor score, very welcomingFirst-PR friendly

  • microsoft/terminal

    The new Windows Terminal and the original Windows console host, all in the same place!

    15good first issues+483 help wanted
    • C++
    • Field: CLI Tools
    • Stars:105K
    • MIT
    • CONTRIBUTING
    • replies in ~7h
    Score96 out of 100 contributor score, very welcomingFirst-PR friendly

  • gleam-lang/gleam

    ⭐️ A friendly language for building type-safe, scalable systems!

    29good first issues+153 help wanted
    • Rust
    • Field: Compilers
    • Field: OS
    • Stars:21.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~19h
    Score96 out of 100 contributor score, very welcomingFirst-PR friendly

  • diasurgical/DevilutionX

    Diablo build for modern operating systems

    23good first issues+23 help wanted
    • C++
    • Field: Game Dev
    • Field: OS
    • Stars:9.8K
    • CONTRIBUTING
    • replies in ~1h
    Score96 out of 100 contributor score, very welcomingFirst-PR friendly

  • rizinorg/rizin

    UNIX-like reverse engineering framework and command-line toolset.

    67good first issues+39 help wanted
    • C
    • Field: Security
    • Field: CLI Tools
    • Stars:3.9K
    • LGPL-3.0
    • CONTRIBUTING
    • replies in ~9h
    Score96 out of 100 contributor score, very welcomingFirst-PR friendly

  • microsoft/TypeScript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    12good first issues+782 help wanted
    • Go
    • Stars:111.3K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~1h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly

  • pytorch/pytorch

    Tensors and Dynamic neural networks in Python with strong GPU acceleration

    48good first issues
    • Python
    • Field: Machine Learning
    • Field: Graphics
    • Stars:103.5K
    • CONTRIBUTING
    • replies in ~25h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly

  • uutils/coreutils

    Cross-platform Rust rewrite of the GNU coreutils

    19good first issues
    • Rust
    • Field: CLI Tools
    • Stars:24.2K
    • MIT
    • CONTRIBUTING
    • replies in ~2h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly

  • NixOS/nix

    Nix, the purely functional package manager

    26good first issues
    • C++
    • Stars:17.8K
    • LGPL-2.1
    • CONTRIBUTING
    • replies in ~9h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly

  • wesnoth/wesnoth

    An open source, turn-based strategy game with a high fantasy theme.

    73good first issues
    • C++
    • Field: Game Dev
    • Stars:6.9K
    • GPL-2.0
    • CONTRIBUTING
    • replies in ~2h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly

  • camunda/camunda-modeler

    A modeling solution for BPMN, DMN, and Forms based on bpmn.io. As a companion tool to your favorite IDE it…

    62good first issues+1 help wanted
    • JavaScript
    • Field: Editors
    • Stars:1.7K
    • MIT
    • CONTRIBUTING
    • replies in ~8h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly

  • jupyterlab/jupyterlab

    JupyterLab computational environment.

    16good first issues+54 help wanted
    • TypeScript
    • Field: Data Science
    • Stars:15.3K
    • BSD-3-Clause
    • CONTRIBUTING
    • replies in ~10h
    Score94 out of 100 contributor score, very welcomingFirst-PR friendly

  • jason5ng32/MyIP

    The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP…

    17good first issues+5 help wanted
    • JavaScript
    • Field: Networking
    • Field: Security
    • Stars:12K
    • MIT
    • CONTRIBUTING
    • replies in ~8h
    Score94 out of 100 contributor score, very welcomingFirst-PR friendly

  • PrestaShop/PrestaShop

    PrestaShop is the universal open-source software platform to build your e-commerce solution.

    25good first issues
    • PHP
    • Stars:9.2K
    • CONTRIBUTING
    • replies in ~13h
    Score94 out of 100 contributor score, very welcomingFirst-PR friendly

  • DependencyTrack/dependency-track

    Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and…

    33good first issues+40 help wanted
    • Java
    • Field: Security
    • Stars:4.2K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~16h
    Score94 out of 100 contributor score, very welcomingFirst-PR friendly

  • excalidraw/excalidraw

    Virtual whiteboard for sketching hand-drawn like diagrams

    27good first issues+4 help wanted
    • TypeScript
    • Stars:133.2K
    • MIT
    • CONTRIBUTING
    • replies in ~27h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • nuxt/nuxt

    The full-stack Vue framework.

    33good first issues
    • TypeScript
    • Field: Docs Tooling
    • Field: Graphics
    • Stars:60.9K
    • MIT
    • CONTRIBUTING
    • replies in ~3d
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • vuetifyjs/vuetify

    🐉 Vue Component Framework

    11good first issues+13 help wanted
    • TypeScript
    • Field: Web Frontend
    • Stars:41K
    • CONTRIBUTING
    • replies in ~6h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • jenkinsci/jenkins

    Jenkins automation server

    13good first issues+3 help wanted
    • Java
    • Field: DevOps
    • Stars:26.6K
    • MIT
    • CONTRIBUTING
    • replies in ~16h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • PyO3/pyo3

    Rust bindings for the Python interpreter

    14good first issues+5 help wanted
    • Rust
    • Field: Backend
    • Field: Compilers
    • Stars:16.2K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~21h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • github-linguist/linguist

    Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

    141good first issues+1 help wanted
    • Ruby
    • Field: Data Science
    • Stars:13.7K
    • MIT
    • CONTRIBUTING
    • replies in ~3h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • PixarAnimationStudios/OpenUSD

    Universal Scene Description

    18good first issues+23 help wanted
    • C++
    • Stars:7.5K
    • CONTRIBUTING
    • replies in ~10h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

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