Kotlin open-source

Open-source Kotlin projects categorized as open-source
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Topics: Android Kotlin kotlin-android HacktoberFest jetpack-compose
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Top 23 Kotlin open-source Projects

  • FlorisBoard

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

    • Project mention: F-Droid, Keyboard Libraries, and Choosing a Browser | dev.to | 2024-01-27

    I didn't last long with the stock keyboard before installing AnySoftKeyboard which is one of the few FOSS alternative with support for swipe typing. The experience was... OK. It felt slow and it's accuracy left a lot to be desired. I still had to be slow and pretty accurate, so it didn't really feel like much of a change from the stock experience. FlorisBoard have also introduced their own implementation but the feedback I read suggested it would be much the same as my experience with AnySoftKeyboard's gesture typing.

  • Simple-Calendar

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

    • Project mention: Does Sony really not have Notes? | /r/SonyXperia | 2023-12-11

    My go to for those sort of app replacements are Simple Mobile Tools. https://www.simplemobiletools.com/

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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  • Simple-Gallery

    A premium app for managing and editing your photos, videos, GIFs without ads

    • Project mention: Better Alternative Gallery App to Photos? | /r/GooglePixel | 2023-12-05

    Simple Gallery ( https://github.com/SimpleMobileTools/Simple-Gallery )

  • apkupdater

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

  • rethink-app

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

    • Project mention: After longer pause all internet blocked dammit. | /r/rethinkdns | 2023-12-06

    We are aware of connectivity issues with WireGuard (ref) that we've fixed in yet-to-release version v055b. Please wait until that's out (2 days? 3?) (:

  • 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

  • android_dbinspector

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

  • SaaSHub

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  • android-app

    The Android app for Noice. (by trynoice)

  • Simple-Notes

    A simple textfield for adding quick notes without ads.

  • fakeit

    The Kotlin fake data generator library! (by thisisqubika)

  • talk-android

    📱😀 Video & audio calls through Nextcloud on Android

  • Simple-App-Launcher

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

  • Messages

    An easy and quick way of managing SMS and MMS messages without ads. (by FossifyOrg)

    • Project mention: FossifyOrg/Messages: An easy way of managing SMS and MMS messages | news.ycombinator.com | 2024-01-28

  • Simple-Flashlight

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

  • kstatemachine

    KStateMachine is a Kotlin DSL library for creating state machines and statecharts.

    • Project mention: Dart 3 | news.ycombinator.com | 2023-05-10

    Kotlin has some pretty nice StateMachine DSL libraries out there, like https://github.com/nsk90/kstatemachine

  • Cofi

    Free and open-source coffee brew timer. Customizable time settings and an easy-to-use interface. Perfect cup every time.

    • Project mention: Cofi - Coffee Brew Timer | /r/fossdroid | 2023-06-10

    You can get Cofi from the Play Store, F-Droid, or GitHub

  • otphelper

    open-source application that can copy OTP and codes from notifications automatically for you

    • Project mention: [App] Auto copy OTP codes from SMS and other notifications | /r/foss | 2023-10-02

    The app is now available on F-Droid, GitHub and Play store.

  • Notify

    📝 Notify is a simple note application build to demonstrate the use of clean MVVM Architecture with Jetpack Compose and Material-3 guidelines along with some Modern Android development tools. (by aritra-tech)

    • Project mention: ⟳ 0 apps added, 7 updated at apt.izzysoft.de | /r/FDroidUpdates | 2023-09-05

    Notify (version 4): a simple note application

  • Quantitizer

    :sparkles: A quantity stepper for android projects

  • retrowars

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

  • mLauncher

    Minimal Launcher app for Android. Customized olauncher as I just started learning kotlin .

  • Tasky

    Tasky is a highly intuitive and easy-to-use todo list application designed for those who seek a powerful yet minimalistic way to manage their daily tasks.

    • Project mention: ⟳ 0 apps added, 12 updated at apt.izzysoft.de | /r/FDroidUpdates | 2023-12-05

    Tasky (version 25): Tasky is a highly intuitive and easy-to-use todo list app

  • OlauncherCF

    Olauncher CF. Simple and Clutter-Free Android launcher

    • Project mention: Ask HN: Any privacy-preserving minimalist phone launchers for Android? | news.ycombinator.com | 2023-05-29

    There's also a fork called Olauncher Clutter Free, which I prefer because of the added features.

    https://github.com/OlauncherCF/OlauncherCF

  • SaaSHub

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    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).

Kotlin open-source related posts

  • Does Sony really not have Notes?

    1 project | /r/SonyXperia | 11 Dec 2023

  • Tibor Kaputa predáva SimpleMobileTools

    1 project | /r/Slovakia | 6 Dec 2023

  • A group of open source Android apps without ads and unnecessary permissions

    1 project | /r/hypeurls | 14 Sep 2023

  • A group of open source Android apps without ads and unnecessary permissions

    1 project | /r/patient_hackernews | 12 Sep 2023

  • Memos: A lightweight, self-hosted memo hub

    3 projects | news.ycombinator.com | 11 Jul 2023

  • Contacts Manager

    1 project | /r/privacy | 7 Jul 2023

  • alternative for google calendar?

    3 projects | /r/GrapheneOS | 18 May 2023
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 10 May 2024
    Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality. Learn more →

Index

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

Project Stars
1 FlorisBoard 5,404
2 Simple-Calendar 3,476
3 Simple-Gallery 3,460
4 apkupdater 2,666
5 rethink-app 2,425
6 ridesharing-uber-lyft-app 1,453
7 android_dbinspector 943
8 android-app 858
9 Simple-Notes 807
10 fakeit 533
11 talk-android 494
12 Simple-App-Launcher 404
13 Messages 354
14 Simple-Flashlight 345
15 kstatemachine 318
16 Cofi 311
17 otphelper 296
18 Notify 266
19 Quantitizer 184
20 retrowars 181
21 mLauncher 170
22 Tasky 167
23 OlauncherCF 164

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