Kotlin is a statically typed programming language developed by JetBrains, designed to interoperate fully with Java and primarily aimed at modern Android development. Boasting a rich set of features, Kotlin offers null safety, concise syntax with type inference, and functional programming capabilities that enhance code readability and maintainability. As a Java Virtual Machine (JVM) language, it allows for seamless integration with existing Java codebases, making it relatively straightforward for developers to adopt in Android projects. Kotlin's popularity is bolstered by official support from Google, encouraging developers to leverage its expressive power for crafting intuitive Android applications. Additionally, Kotlin Multiplatform enables code sharing between mobile, web, and desktop applications, promoting an efficient, unified development experience.
View the most prominent open source Kotlin projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- 免费的计算机编程类中文书籍，欢迎投稿☆116,677Jul 15, 2024Updated last year
- The Kotlin Programming Language.☆52,603Updated this week
- Square’s meticulous HTTP client for the JVM, Android, and GraalVM.☆46,928Apr 19, 2026Updated last week
- 基于无障碍，高级选择器，订阅规则的自定义屏幕点击安卓应用 | An Android APP with custom screen tapping based on Accessibility, Advanced Selectors, and Subscription Rul…☆37,918Updated this week
- A memory leak detection library for Android.☆29,922Mar 24, 2026Updated last month
- Browse media content with your own rules on Android TV☆29,609Apr 18, 2026Updated last week
- 🦭 Video/Audio Downloader for Android, based on yt-dlp☆25,792Mar 25, 2026Updated last month
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,493Apr 17, 2026Updated last week
- The Google I/O Android App☆21,698Jan 5, 2023Updated 3 years ago
- A fully functional Android app built entirely with Kotlin and Jetpack Compose☆21,064Updated this week
- Free and open source manga reader for Android☆20,111Updated this week
- Tool for visualizing GitHub profiles☆19,942Feb 22, 2026Updated 2 months ago
- 😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.☆19,618Feb 6, 2023Updated 3 years ago
- Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.☆18,990Updated this week
- An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.☆18,557Updated this week
- Adaptable, fast automation for all☆18,513Updated this week
- Generate type-safe code from SQL☆17,392Updated this week
- 集找番、追番、看番的一站式弹幕追番平台，云收藏同步 (Bangumi)，离线缓存，BitTorrent，弹幕云过滤。100% Kotlin/Compose Multiplatform☆17,196Apr 19, 2026Updated last week
- Pleasant Android application development☆15,799Dec 5, 2019Updated 6 years ago
- 高效率 QQ 机器人支持库☆14,859Sep 23, 2024Updated last year
- A Download Manager that speeds up your downloads☆14,496Updated this week
- Framework for quickly creating connected applications in Kotlin with minimal effort☆14,358Apr 17, 2026Updated last week
- Library support for Kotlin coroutines☆13,731Updated this week
- Generate types and converters from JSON, Schema, and GraphQL☆13,712Oct 27, 2025Updated 5 months ago
- Free implementation of Play Services☆12,975Apr 10, 2026Updated 2 weeks ago
- No clever tagline needed.☆12,629Updated this week
- 🖼️ Image Toolbox is a powerful app for advanced image manipulation. It offers dozens of features, from basic tools like crop and draw to…☆12,627Updated this week
- Your Cheat Sheet For Android Interview - Android Interview Questions and Answers☆12,314Mar 21, 2026Updated last month
- 🩵 A free, open-source app store for GitHub releases — browse, discover, and install apps with one click. Powered by Kotlin and Compose M…☆12,054Updated this week
- Image loading for Android and Compose Multiplatform.☆11,767Updated this week
- An alternative frontend for YouTube, for Android.☆11,775Updated this week
- An Android Animation library which easily add itemanimator to RecyclerView items.☆11,562Dec 30, 2023Updated 2 years ago
- android 4.4以上沉浸式状态栏和沉浸式导航栏管理，适配横竖屏切换、刘海屏、软键盘弹出等问题，可以修改状态栏字体颜色和导航栏图标颜色，以及不可修改字体颜色手机的适配，适用于Activity、Fragment、DialogFragment、Dialog，PopupWin…☆11,462Mar 25, 2022Updated 4 years ago
- A curated list of awesome Kotlin related stuff Inspired by awesome-java.☆11,355Apr 17, 2026Updated last week
- A configuration as code language with rich validation and tooling.☆11,301Apr 17, 2026Updated last week
- A declarative API to handle Android runtime permissions.☆11,188Nov 10, 2023Updated 2 years ago
- AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.☆11,028Updated this week
- Production ready toolkit to run AI locally☆10,343Apr 19, 2026Updated last week
- IdeaVim – A Vim engine for JetBrains IDEs☆10,185Updated this week
- Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform☆9,918Apr 14, 2026Updated last week