LUC4N3X / Levyra-deepsound

Made for listening, not logging in. Levyra is an open-source music player for Android and Windows, bringing music discovery, synced lyrics, radio and beautiful artwork together. No ads, no tracking, just music ♫

Clash-Projects / LastWave-Native

Next-Gen YouTube Music Client with Liquid Glass UI , Algorithmic Smart Playlist Generator, Real-Time Synced Lyrics & Universal Last.fm Scrobbler for Android.

cosmictaserdev-creator / Convx

A free, open-source Android music player for YouTube Music with an iOS-style Liquid Glass interface, synced lyrics, Automix and Listen Together.

open-ani / animeko

Cross-platform anime tracking and streaming app that syncs Bangumi watch progress, aggregates video sources, and shows danmaku comments.

vivizzz007 / vivi-music

Android client for YouTube Music built with Material 3, offering ad-free background playback, synced lyrics, and offline downloads.

cwuom / NeriPlayer

A native Android audio player that combines multi-source streaming, local control, rich lyrics, and self-hosted sync. / ✨ 一个把多源在线播放、本地管理、歌词体验和自建同步做进原生 Android 的音频播放器 🎵

PixelPlayerHQ / PixelPlayer

privacy-first Android music player built with Material 3 Expressive. Play offline, sync lyrics, fine-tune with equalizer presets, and cast to your devices.

gotson / komga

Media server for comics/mangas/BDs/magazines/eBooks with API, OPDS, Kobo Sync and KOReader Sync support

bitfireAT / davx5-ose

DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.

spicylyrics / mobile

Spicy Lyrics Mobile: word-synced lyrics for whatever is playing on your Android phone, with the Spicy Lyrics renderer and backgrounds.

CrossPaste / crosspaste-desktop

Cross-device clipboard sync for macOS, Windows & Linux — end-to-end encrypted, LAN-only, no cloud. OCR, CLI and MCP server built in.

LinkoraApp / Linkora

Local-first multiplatform link organizer with optional self-hosted sync.

rommapp / argosy-launcher

A native Android client for RomM for syncing, installing, and launching games on any of your mobile devices

ruzhe85 / MihonSY

MihonSY — A Mihon Fork focused on image enhancement, an enhanced webtoon experience and multi-device sync

chenxiaolong / BasicSync

A simple app for running Syncthing on Android

chmouel / liseur

Open-source EPUB reader and remote library client for Android, with a Kindle-inspired reading experience

yuroyami / KitePlayer

A native media playback library for Kotlin Multiplatform, Android, iOS, desktop (JVM) and web. Kotlin coroutine-first syntax, fine-tuned to perfection and as powerful as mpv and VLC. No expect/actual, no build scripts/NDK. It is 100% Kotlin core (no third-party players underneath). Can render directly into Compose multiplatform using Skiko API

catpuppyapp / PuppyGit

An android git client

Darkrock-Studios / hammer-editor

A simple tool for building stories.

knoop7 / Ava-Pro

Ava turns any Android 5+ device into a voice-first Home Assistant kiosk. Native C++ under the hood, so a 10-year-old tablet still listens, talks, and runs the house - with AirPlay-grade audio in every room, all in sync.

zhdmm35 / obsidian-mobile-companion

Android companion for Markdown vaults stored on GitHub, with Obsidian rendering, offline reading, conflict-safe editing, and an optional desktop sync helper.

ktorio / ktor

Framework for quickly creating connected applications in Kotlin with minimal effort

shrimqy / Sefirah-Android

Phone link / KDE Connect alternative

TechbeeAT / jtxBoard

jtx Board allows you to manage your Journals (like meeting minutes), Notes and Tasks in one Android app. The app is compatible with the iCal standard (RFC5545) and is integrated with DAVx5 to allow the synchronisation of entries through CalDAV.

simple-robot / simpler-robot

Simple Robot，一个bot风格的Kotlin多平台事件调度框架，异步高效、Java友好！/ A Bot-style Kotlin Multiplatform event scheduling framework, asynchronous and high-performance, java-friendly! 🐱😼😻😸

androidx / androidx

Development environment for Android Jetpack extension libraries under the androidx namespace. Synchronized with Android Jetpack's primary development branch on AOSP.

react-native-async-storage / async-storage

An asynchronous, persistent, key-value storage system for React Native.

JuulLabs / kable

Kotlin Asynchronous Bluetooth Low-Energy

Kotlin / kotlinx-rpc

Add asynchronous RPC services to your multiplatform applications.

Kamel-Media / Kamel

Kotlin asynchronous media loading and caching library for Compose.

d4rken-org / octi

A multi-device manager for Android

akarnokd / kotlin-flow-extensions

Extensions to the Kotlin Flow library.

Baggio94 / SleepManager

Android sleep/wake manager for handhelds — reduce standby battery drain by managing Wi-Fi, Bluetooth, Syncthing-Fork, BasicSync, Tailscale, JamesDSP, and more.

nttr-tech / winui4k

WinUI for Kotlin & Java (WinUI4K)

Kjell6 / Z-Sync

A companion App for your tabs and spaces.

xinghelee / v2ex-android

Native V2EX client for Android. Kotlin + Jetpack Compose: in-app replying and posting, favorites sync, offline reading, QR share cards.

libdu / kde-connect-shizuku

KDE Connect fork with Shizuku support for automatic bidirectional clipboard sync on Android.

100pangci / Noxfold-Sync

Native Android syncing, powered by Syncthing.

Isksks / KDE-tv-remote

KDE Remote is a custom Android smart remote for Linux desktops, KDE Bigscreen, and media PCs, built on KDE Connect. It features a tactile claymorphism UI, smooth trackpad, D-pad navigation, media and volume controls, clipboard sync, A/C/V shortcuts, auto-repeat inputs, and light/dark themes.

sverrejb / bru

Link your android phone to your computer. Send SMSes from desktop, share copy pasted text, send files etc

marfolog / notes-widget-for-markdown

Android home screen widget for local Markdown notes, with git sync status

ced2711 / life-assistant

Life Assistant: offline-first tasks, ledger, calendar, notes and vault for Android and Windows, with optional encrypted Google Drive sync.

onlyoyrao999 / cfnatddnsgo

CF IP Scanner & DNS Sync 是一款基于 Android 平台的 Cloudflare 优选 IP 扫描与自动 DNS 解析同步工具。它可以帮助您快速扫描 Cloudflare 边缘节点，找出延迟最低的优质 IP，并严格按照节点区域自动将其同步到您的 Cloudflare 域名解析记录中。

Kotlin / kotlinx.coroutines

Library support for Kotlin coroutines

justshivv / Opentune

A free, open-source Android music app with no ads, synced lyrics, background playback, and customisable themes.

brunnojob / android-offshore-field-console

Offline-first Kotlin field console for crew checklists, QR equipment IDs and sync status.