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Mobile open-source projects

OpenSrc lists 84 repositories about Mobile with open issues for new contributors, and 41 of them are first-PR friendly. Between them they have 1,399 open good first issues and 1,933 help-wanted issues. The median welcome score is 74/100, and the best-scored right now are organicmaps/organicmaps, home-assistant/android and nextcloud/android. Most are written in Kotlin, Dart and Java. Many also touch Web Frontend and OS & Systems.

84 repos by best score

Filter these in the directory

  • 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

  • home-assistant/android

    Home Assistant Companion for Android

    24good first issues
    • Kotlin
    • Field: Mobile
    • Stars:3.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~13h
    Score93 out of 100 contributor score, very welcomingFirst-PR friendly

  • nextcloud/android

    📱 Nextcloud Android app

    13good first issues+9 help wanted
    • Kotlin
    • Field: Mobile
    • Stars:5.6K
    • GPL-2.0
    • CONTRIBUTING
    • replies in ~23h
    Score92 out of 100 contributor score, very welcomingFirst-PR friendly

  • wordpress-mobile/WordPress-Android

    WordPress for Android

    23good first issues
    • Kotlin
    • Field: Mobile
    • Stars:3.2K
    • GPL-2.0
    • CONTRIBUTING
    • replies in ~1m
    Score92 out of 100 contributor score, very welcomingFirst-PR friendly

  • dotnet/maui

    .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning…

    33good first issues+3 help wanted
    • C#
    • Field: Mobile
    • Field: Web Frontend
    • Stars:23.3K
    • MIT
    • CONTRIBUTING
    Score91 out of 100 contributor score, very welcomingFirst-PR friendly

  • react/react-native

    A framework for building native applications using React

    8good first issues
    • C++
    • Field: Mobile
    • Stars:126.8K
    • MIT
    • CONTRIBUTING
    • replies in ~1m
    Score89 out of 100 contributor score, very welcomingFirst-PR friendly

  • unoplatform/uno

    Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single…

    73good first issues+6 help wanted
    • C#
    • Field: Mobile
    • Field: OS
    • Stars:10.1K
    • Apache-2.0
    • CONTRIBUTING
    Score89 out of 100 contributor score, very welcomingFirst-PR friendly

  • TeamNewPipe/NewPipe

    A libre lightweight streaming front-end for Android.

    49good first issues+39 help wanted
    • Java
    • Field: Mobile
    • Field: Web Frontend
    • Stars:39.8K
    • GPL-3.0
    • CONTRIBUTING
    • replies in ~26h
    Score88 out of 100 contributor score, very welcomingFirst-PR friendly

  • lichess-org/mobile

    Lichess mobile app

    10good first issues+4 help wanted
    • Dart
    • Field: Mobile
    • Stars:2.6K
    • GPL-3.0
    • CONTRIBUTING
    • replies in ~20h
    Score88 out of 100 contributor score, very welcomingFirst-PR friendly

  • google/comprehensive-rust

    This is the Rust course used by the Android team at Google. It provides you the material to quickly teach…

    27good first issues+20 help wanted
    • Rust
    • Field: Mobile
    • Stars:33.4K
    • Apache-2.0
    • CONTRIBUTING
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly

  • defold/defold

    Defold is a completely free to use game engine for development of desktop, console, mobile and web games.

    8good first issues
    • C++
    • Field: Game Dev
    • Field: Web Frontend
    • Stars:6.3K
    • CONTRIBUTING
    • replies in ~21h
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly

  • MetaMask/metamask-mobile

    Mobile web browser providing access to websites that use the Ethereum blockchain

    25good first issues
    • TypeScript
    • Field: Mobile
    • Field: Blockchain
    • Stars:3K
    • CONTRIBUTING
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly

  • libgdx/libgdx

    Desktop/Android/HTML5/iOS Java game development framework

    9good first issues+3 help wanted
    • Java
    • Field: Game Dev
    • Field: Mobile
    • Stars:25.4K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~9h
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly

  • thunderbird/thunderbird-android

    Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

    17good first issues+30 help wanted
    • Kotlin
    • Field: Mobile
    • Stars:14K
    • Apache-2.0
    • CONTRIBUTING
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly

  • immich-app/immich

    High performance self-hosted photo and video management solution.

    4good first issues
    • TypeScript
    • Field: Mobile
    • Stars:115.3K
    • AGPL-3.0
    • CONTRIBUTING
    • replies in ~2h
    Score83 out of 100 contributor score, very welcomingFirst-PR friendly

  • storybookjs/storybook

    Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

    5good first issues+165 help wanted
    • TypeScript
    • Field: Web Frontend
    • Field: Mobile
    • Stars:91.2K
    • MIT
    • CONTRIBUTING
    Score83 out of 100 contributor score, very welcomingFirst-PR friendly

  • dotnet/runtime

    .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

    14good first issues+393 help wanted
    • C#
    • Field: DevOps
    • Field: Mobile
    • Stars:18.3K
    • MIT
    • CONTRIBUTING
    Score83 out of 100 contributor score, very welcomingFirst-PR friendly

  • mobile-dev-inc/Maestro

    Painless E2E Automation for Mobile and Web

    10good first issues
    • Kotlin
    • Field: Mobile
    • Field: Web Frontend
    • Stars:15.8K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~30m
    Score83 out of 100 contributor score, very welcomingFirst-PR friendly

  • CopilotKit/CopilotKit

    The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI…

    5good first issues+9 help wanted
    • TypeScript
    • Field: Machine Learning
    • Field: Web Frontend
    • Stars:37.6K
    • MIT
    • CONTRIBUTING
    Score82 out of 100 contributor score, very welcomingFirst-PR friendly

  • super-productivity/super-productivity

    Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It…

    10good first issues+439 help wanted
    • TypeScript
    • Field: Mobile
    • Field: OS
    • Stars:22.4K
    • MIT
    • CONTRIBUTING
    • replies in ~27h
    Score82 out of 100 contributor score, very welcomingFirst-PR friendly

  • facebook/fresco

    An Android library for managing images and the memory they use.

    29good first issues+39 help wanted
    • Kotlin
    • Field: Mobile
    • Stars:17.2K
    • MIT
    • CONTRIBUTING
    • replies in ~30d
    Score82 out of 100 contributor score, very welcoming

  • mozilla-mobile/firefox-ios

    Firefox for iOS

    26good first issues
    • Swift
    • Field: Mobile
    • Stars:13.1K
    • MPL-2.0
    • CONTRIBUTING
    Score82 out of 100 contributor score, very welcomingFirst-PR friendly

  • Orange-OpenSource/ouds-ios

    A Swift Package of SwiftUI components library for Orange developers with Orange Unified Design System. Build…

    25good first issues
    • Swift
    • Field: Mobile
    • Field: Web Frontend
    • Stars:35
    • MIT
    • CONTRIBUTING
    Score81 out of 100 contributor score, very welcomingFirst-PR friendly

  • oppia/oppia-android

    A free online & offline learning platform to make quality education accessible for all.

    36good first issues
    • Kotlin
    • Field: Mobile
    • Field: Accessibility
    • Stars:415
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~4d
    Score80 out of 100 contributor score, very welcoming

  • ente/ente

    💚 End-to-end encrypted cloud for everything.

    1good first issue+3 help wanted
    • Dart
    • Field: Mobile
    • Field: Security
    • Stars:29.2K
    • AGPL-3.0
    • CONTRIBUTING
    • replies in ~2d
    Score79 out of 100 contributor score, very welcoming

  • CatimaLoyalty/Android

    Catima, a Loyalty Card & Ticket Manager for Android

    6good first issues
    • Java
    • Field: Mobile
    • Field: OS
    • Stars:1.7K
    • GPL-3.0
    • CONTRIBUTING
    • replies in ~2h
    Score79 out of 100 contributor score, very welcomingFirst-PR friendly

  • getsentry/sentry-cocoa

    The official Sentry SDK for iOS, tvOS, macOS, watchOS, iPadOS and visionOS.

    9good first issues+1 help wanted
    • Swift
    • Field: Mobile
    • Field: Observability
    • Stars:1.1K
    • MIT
    • CONTRIBUTING
    Score79 out of 100 contributor score, very welcomingFirst-PR friendly

  • getsentry/sentry-dart

    Sentry SDK for Dart and Flutter

    5good first issues
    • Dart
    • Field: Mobile
    • Stars:873
    • MIT
    • CONTRIBUTING
    • replies in ~2d
    Score79 out of 100 contributor score, very welcomingFirst-PR friendly

  • NativeScript/NativeScript

    ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use…

    11good first issues+55 help wanted
    • TypeScript
    • Field: Mobile
    • Stars:25.7K
    • MIT
    • CONTRIBUTING
    • replies in ~15d
    Score78 out of 100 contributor score, very welcoming

  • imaNNeo/fl_chart

    FL Chart is a highly customizable Flutter chart library that supports Line Chart, Bar Chart, Pie Chart…

    19good first issues
    • Dart
    • Field: Mobile
    • Stars:7.6K
    • MIT
    • CONTRIBUTING
    Score78 out of 100 contributor score, very welcomingFirst-PR friendly

Showing 30 of 84 repos