Kotlin App

Open-source Kotlin projects categorized as App

Top 23 Kotlin App Projects

  1. TextSecure

    A private messenger for Android.

    Project mention: Signal may silently fall back to "unsealed sender" message if server returns 401 | news.ycombinator.com | 2025-06-10
  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. SpotiFlyer

    Kotlin Multiplatform Music Downloader, Supports Spotify / Gaana / Youtube Music / Jio Saavn / SoundCloud.

  4. LibreTube

    An alternative frontend for YouTube, for Android.

    Project mention: LTT video on de-Googling removed for "violating community guidelines" | news.ycombinator.com | 2024-09-05

    In your comment you said "the first video taken down from LTT", which is not true.

    Yes, this might be the first video removed for _one specific reason_. This also might be the first video where he broke external links policy[1]

    > Links to websites, apps, or other sources that give unauthorized access to audio content, audiovisual content, video games, software, or streaming services that normally require payment

    as he left a sequence of links to "alternative YouTube UI"[2]

    > YouTube Alternative Frontends - FreeTube - https://freetubeapp.io/ - LibreTube - https://libretube.dev/ - Yattee - https://github.com/yattee/yattee - Invidious - https://invidious.io/ - GrayJay - https://grayjay.app/ - Newpipe - https://newpipe.net/

    [1] https://support.google.com/youtube/answer/9054257?hl=en&ref_...

    [2] https://www.youtube.com/watch?v=qHwP6S_jf7g

  5. uhabits

    Loop Habit Tracker, a mobile app for creating and maintaining long-term positive habits

    Project mention: Show HN: Simple, minimal daily habit tracker | news.ycombinator.com | 2024-07-07

    I just want to put out Loop Habit Tracker ( https://github.com/iSoron/uhabits ). Its open source, ad free and has the option to start the day at 3 am. I am very happy with this solution.

  6. MvRx

    Mavericks: Android on Autopilot

    Project mention: 2025년에 안드로이드 앱을 만들기 | dev.to | 2025-03-10
  7. Alerter

    An Android Alerting Library

    Project mention: Displaying Animated In Android Alerts with alerter. | dev.to | 2024-08-02

    Alerter is an open-source Android alerting library developed by Tapadoo source: https://github.com/Tapadoo/Alerter. that provides a flexible and customizable way to create alerts in your Android applications. It offers a wide range of features, such as custom layouts, animations, durations, and more. I just discovered it and now i am creating this guide that will also take you a step-by-step tutorial on how to use the Alerter library to create engaging and informative alerts for your users.

  8. WordPress-Android

    WordPress for Android

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
  10. Twidere-Android

  11. MaterialAudiobookPlayer

    Minimalistic audiobook player

  12. Foodium

    🍲Foodium is a sample food blog Android application 📱 built to demonstrate the use of Modern Android development tools - (Kotlin, Coroutines, Flow, Dagger 2/Hilt, Architecture Components, MVVM, Room, Retrofit, Moshi, Material Components).

  13. Lightning Browser

    A lightweight Android browser with modern navigation

  14. Bandhook-Kotlin

    A showcase music app for Android entirely written using Kotlin language

  15. Oculess

    Removes account requirements and telemetry from Oculus Quest devices

  16. Fetch

    The best file downloader library for Android (by tonyofrancis)

  17. Inure

    An elegant and beautiful premium Android app manager for rooted and non-rooted devices with a built-in terminal, analytics, debloat, stats and various other features with an custom theme engine, developed with purely custom UI design and reproducible build.

  18. book-story

    Book's Story — Material You eBook reader built with Jetpack Compose. Free & Open source & Ad-free, with extensive customization options and support for multiple file formats.

    Project mention: KOReader: Open-Source eBook Reader | news.ycombinator.com | 2025-03-31

    Book Story on Android is a much more modern FOSS eBook reader and supports other formats too.

    https://github.com/Acclorite/book-story

  19. buckwheat

    App that helps you spend money wisely for Android made with Jetpack Compose

  20. Photok

    Encrypted Gallery App for Android

    Project mention: Photok: Encrypted Photo Safe for Android | news.ycombinator.com | 2024-08-05
  21. reference-browser

    A full-featured browser reference implementation using Mozilla Android Components.

  22. openhab-android

    openHAB client for Android

  23. AbleMusicPlayer

    🎵 A Youtube Music like app with a Spotify like design - ad free, open source, and deprecated.

  24. Scarlet-Notes

    [Discontinued and Unsupported Project] Simple yet powerful rich note taking android application, with a lot of flexibilty of usage

  25. yetCalc

    Yet another calculator designed and developed for Android

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Kotlin App related posts

  • Signal may silently fall back to "unsealed sender" message if server returns 401

    1 project | news.ycombinator.com | 10 Jun 2025
  • Twitter's new encrypted DMs aren't better than the old ones

    1 project | news.ycombinator.com | 5 Jun 2025
  • Magic of software; what makes a good engineer also makes a good engineering org

    3 projects | news.ycombinator.com | 20 May 2025
  • How the Atlantic's Jeffrey Goldberg Got Added to the White House Signal Chat

    1 project | news.ycombinator.com | 8 Apr 2025
  • The Practical Limitations of End-to-End Encryption

    1 project | news.ycombinator.com | 25 Mar 2025
  • Apple will soon support encrypted RCS messaging with Android users

    3 projects | news.ycombinator.com | 14 Mar 2025
  • Rely less on Third-Party Services

    3 projects | dev.to | 26 Feb 2025
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 19 Jun 2025
    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Index

What are some of the best open-source App projects in Kotlin? This list will help you:

# Project Stars
1 TextSecure 27,146
2 SpotiFlyer 10,795
3 LibreTube 10,000
4 uhabits 8,734
5 MvRx 5,898
6 Alerter 5,534
7 WordPress-Android 3,043
8 Twidere-Android 2,746
9 MaterialAudiobookPlayer 2,598
10 Foodium 2,300
11 Lightning Browser 2,265
12 Bandhook-Kotlin 1,860
13 Oculess 1,832
14 Fetch 1,747
15 Inure 1,376
16 book-story 845
17 buckwheat 672
18 Photok 668
19 reference-browser 634
20 openhab-android 624
21 AbleMusicPlayer 608
22 Scarlet-Notes 363
23 yetCalc 318

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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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