Top 8 Kotlin mobile-app Projects

RIBs

1 7,397 3.3 Kotlin

Uber's cross-platform mobile architecture framework.

Project mention: What is Uber using for UI? | /r/androiddev | 2023-01-05

A quick google says nothing about its Uber app, just the UberEats app. AFAIK, Uber uses RIBs for their main app, which is native based.
WallMe-Wallpaper

10 148 8.3 Kotlin

A live / static wallpaper app that support video , gif and image wallpapers from reddit and local device

Project mention: Wallpaper changer for only local images. | /r/fossdroid | 2023-03-19

You're most welcome :) There is another great app WallMe-Wallpaper [which i personally use] which uses reddit sub wallpapers if you like wallpapers people share in different subs of reddit, just add that sub and you will recieve that wallpapers in feed of app :) It also has wallpaper changer with customizable time intervals :)
Appwrite

appwrite.io
sponsored

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!
it-dgc-verificaC19-android

0 104 2.3 Kotlin

VerificaC19 is the official Italian customization of the EU Digital COVID Certificate Verifier App for the Android Operating System
timer-machine-android

2 84 3.6 Kotlin

⏲ A highly customizable interval timer app for Android

Project mention: HIIT Timer Apps | /r/fossdroid | 2023-01-09

TimeR Machine or HIIT depending on what you want. Otherwise, just type hiit in the search bar of a F-Droid client (and add IzzyOnDroid repo to have access to more FOSS apps).
Sobriety

1 46 0.0 Kotlin

A simple and minimal app to track how long you've been sober from anything you want.

Project mention: ⟳ 0 apps added, 29 updated at f-droid.org | /r/FDroidUpdates | 2022-11-19

Sobriety (version v7.0.0): Track your addictions and maintain sobriety!
Minty-fresh

5 25 10.0 Kotlin

An open source mobile first implementation of NFT minting on solana

Project mention: Will mass adoption ever be possible? | /r/CryptoCurrency | 2023-05-19

In terms of hardware, you're basically describing the Saga.
BMI-Calculator

1 16 10.0 Kotlin

A convenient BMI (Body Mass Index) calculator that is compatible with Android devices. (by JahidHasanCO)

Project mention: ⟳ 3 apps added, 4 updated at apt.izzysoft.de | /r/FDroidUpdates | 2022-11-18

BMI Calculator: convenient Body Mass Index calculator
SonarLint

www.sonarlint.org
sponsored

Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.
FoodExpirationDates

1 11 10.0 Kotlin

📱 Android app to track food expiration dates. Built with Jetpack Compose.

Project mention: ⟳ 1 apps added, 12 updated at apt.izzysoft.de | /r/FDroidUpdates | 2023-04-03

Food Expirations: Remember all the expiration dates of your food stocks.

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 2023-05-19.