Kotlin open-source

Open-source Kotlin projects categorized as open-source Edit details

Top 23 Kotlin open-source Projects

  • FlorisBoard

    An open-source keyboard for Android which respects your privacy. Currently in early-beta.

    Project mention: Florisboard seems to be eating my battery | reddit.com/r/androidapps | 2022-08-10
  • Simple-Calendar

    A simple calendar with events, tasks, customizable colors, widgets and no ads.

    Project mention: Helft mir weg von Google bitte | reddit.com/r/de_EDV | 2022-08-13
  • Appwrite

    Appwrite - The Open Source Firebase alternative introduces iOS support. Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!

  • apkupdater

    APKUpdater is an open source tool that simplifies the process of finding updates for your installed apps.

    Project mention: looking for apps that can update other apps | reddit.com/r/androidapps | 2022-06-24

    The problem: i have https://play.google.com/store/apps/details?id=com.aniplex.fategrandorder.en installed from apk because game is not available in my region, and i need to update it manually, which i want to avoid, there is apps that can update only whitelisted apps (https://github.com/rumboalla/apkupdater and https://github.com/hemker/apkgrabber), but this apps cannot automatically check for updates and install them in background with root or with a12 permission, so, my question is, is there apps like apkgrabber/apkupdater but with support for installing updates automatically in background?

  • ridesharing-uber-lyft-app

    Ride-Sharing Uber Lyft Android App - Learn to build a ride-sharing Android Taxi Clone App like Uber, Lyft - Open-Source Project By MindOrks

    Project mention: Uber's time is up. Uber was never going to be profitable. Never. $UBER | reddit.com/r/investing | 2021-08-18

    It's one thing to have an app thats used by a couple thousand concurrent users at peek vs few million concurrent users average. Not to mention the actual app development for taxi companies is out sourced to a contractor who is building different themes of the same app for many taxi companies. here is how to make your own Uber like app https://github.com/MindorksOpenSource/ridesharing-uber-lyft-app And here is an open source rideshare app https://libretaxi.org/.

  • android_dbinspector

    Android library for viewing, editing and sharing in app databases.

  • rethink-app

    DNS over HTTPS / DNS over Tor / DNSCrypt client, firewall, and connection tracker for Android.

    Project mention: ⟳ 3 apps added, 43 updated at f-droid.org | reddit.com/r/FDroidUpdates | 2022-07-28

    RethinkDNS: Fast, private, and safe DNS + Firewall (version 053i): Firewall apps, monitor network activity, block malware, change DNS.

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • Simple-Notes

    A simple textfield for adding quick notes without ads.

    Project mention: Looking for app recommendations | reddit.com/r/CalyxOS | 2022-07-25
  • android-app

    The Android app for Noice. (by trynoice)

    Project mention: ⟳ 5 apps added, 68 updated at f-droid.org | reddit.com/r/FDroidUpdates | 2022-06-18

    Noice: Natural calming noise (version 2.0.0): Relax and improve focus with natural calming noise.

  • fakeit

    The Kotlin fake data generator library! (by moove-it)

  • talk-android

    📱😀 Video & audio calls through Nextcloud on Android

    Project mention: ⟳ 10 apps added, 74 updated at f-droid.org | reddit.com/r/FDroidUpdates | 2021-08-21

    Nextcloud Talk (version 12.2.0): Have private video calls and chat using your own server.

  • Simple-App-Launcher

    A simple holder for favourite apps for quick & easy app launcher icon management

    Project mention: ⟳ 6 apps added, 53 updated at f-droid.org | reddit.com/r/FDroidUpdates | 2022-06-24

    Simple App Launcher (version 5.9.1): A simple holder for quick access to your favourite apps, easy icon management

  • Simple-Flashlight

    A simple modern flashlight with SOS, stroboscope & bright display, has no ads.

    Project mention: White screen flashlight app? | reddit.com/r/androidapps | 2022-07-07

    Simple Flashlight

  • news

    Feed Reader and Podcast Player for Android (by bubelov)

    Project mention: What is the best RSS reader from F-droid? | reddit.com/r/fossdroid | 2022-08-02


  • retrowars

    Play retro games against each other in any combination in this open source Android multiplayer game.

    Project mention: Super Retro Mega Wars | news.ycombinator.com | 2022-05-25
  • common-voice-android

    Repository of "CV Project" app. It's an unofficial app for Mozilla Common Voice, which permits you to contribute to this project via your device.

    Project mention: ⟳ 4 apps added, 85 updated at f-droid.org | reddit.com/r/FDroidUpdates | 2021-09-18

    Donate your voice: CV Project (version 2.4): This app permits you to contribute to Common Voice from your smartphone.

  • Androapps

    Important Android projects to learn fundamentals of android development

    Project mention: OSD600 - Adding New Feature To Weather App | dev.to | 2021-11-19

    View more details in PR

  • sav-pdf-viewer-pro

    The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.

    Project mention: Need a PDf reader with feature text reflow when zooming (except Xodo) | reddit.com/r/androidapps | 2021-10-04

    You can give a try if doesn't works you can switch with another free and open source reader from F-Droid. You can take a look to this app too. https://github.com/Sav22999/sav-pdf-viewer-pro

  • Olauncher

    Olauncher Fork. Minimal and clutter free (by jooooscha)

    Project mention: Really loved the concept of Ratio launcher but its not foss. So is there any close alternative to this launcher which is foss and minimal in look. | reddit.com/r/fossdroid | 2022-08-10
  • timer-machine-android

    ⏲ A highly customizable interval timer app for Android

    Project mention: I open-sourced my 4-year-old interval timer app! | reddit.com/r/androiddev | 2021-10-07

    Github: https://github.com/timer-machine/timer-machine-android

  • IYPS

    A password strength test app with strength, estimated crack times, warnings and suggestions to help make better passwords.

    Project mention: ⟳ 2 apps added, 5 updated at apt.izzysoft.de | reddit.com/r/FDroidUpdates | 2022-01-25

    IYPS: A password strength test app with crack times, warnings and suggestions.


    Hackable discord selfbot written in kotlin! (by caffeine-moe)

    Project mention: Best Discord Selfbot? | reddit.com/r/Discord_selfbots | 2022-06-19


  • Aikino

    Aikino is an open source windows application that downloads movie, anime and tv show posters, converts them to icons and applies them

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). The latest post mention was on 2022-08-13.

Kotlin open-source related posts


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

Project Stars
1 FlorisBoard 3,108
2 Simple-Calendar 2,927
3 Simple-Gallery 2,558
4 apkupdater 1,367
5 ridesharing-uber-lyft-app 1,168
6 android_dbinspector 921
7 rethink-app 806
8 Simple-Notes 618
9 android-app 608
10 fakeit 510
11 talk-android 363
12 Simple-App-Launcher 306
13 Simple-Flashlight 258
14 news 194
15 retrowars 101
16 common-voice-android 94
17 Androapps 48
18 sav-pdf-viewer-pro 37
19 Olauncher 36
20 timer-machine-android 35
21 IYPS 20
22 CHAOS 15
23 Aikino 13
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