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☆117,360Jul 15, 2024Updated 2 years ago
- The Kotlin Programming Language.☆53,160Updated this week
- Square’s meticulous HTTP client for the JVM, Android, and GraalVM.☆46,998Updated this 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…☆40,241Jul 5, 2026Updated last week
- A memory leak detection library for Android.☆29,944Updated this week
- Browse media content with your own rules on Android TV☆31,333Updated this week
- 🦭 Video/Audio Downloader for Android, based on yt-dlp☆27,585Jun 25, 2026Updated 3 weeks ago
- ⚡ Write Native with TypeScript ✨ Best of all worlds (TypeScript, Swift, Objective C, Kotlin, Java, Dart). Use what you love ❤️ Angular, R…☆25,553Updated this week
- The Google I/O Android App☆21,654Jan 5, 2023Updated 3 years ago
- A fully functional Android app built entirely with Kotlin and Jetpack Compose☆21,522Updated this week
- Free and open source manga reader for Android☆22,033Updated this week
- Tool for visualizing GitHub profiles☆19,944Feb 22, 2026Updated 4 months ago
- 😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.☆19,570Feb 6, 2023Updated 3 years ago
- Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.☆19,208Updated this week
- An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.☆18,666Jun 26, 2026Updated 3 weeks ago
- Adaptable, fast automation for all☆18,839Updated this week
- Generate type-safe code from SQL☆18,009Jul 9, 2026Updated last 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☆18,884Updated this week
- Pleasant Android application development☆15,781Dec 5, 2019Updated 6 years ago
- 高效率 QQ 机器人支持库☆14,825Sep 23, 2024Updated last year
- A Download Manager that speeds up your downloads☆16,703Updated this week
- Framework for quickly creating connected applications in Kotlin with minimal effort☆14,466Updated this week
- Library support for Kotlin coroutines☆13,799Updated this week
- Generate types and converters from JSON, Schema, and GraphQL☆13,792Updated this week
- Free implementation of Play Services☆13,920Updated this week
- No clever tagline needed.☆13,107Updated 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…☆13,755Updated this week
- Your Cheat Sheet For Android Interview - Android Interview Questions and Answers☆12,349Mar 21, 2026Updated 3 months ago
- Image loading for Android and Compose Multiplatform.☆11,856Updated this week
- An alternative frontend for YouTube, for Android.☆12,290Updated this week
- An Android Animation library which easily add itemanimator to RecyclerView items.☆11,543Dec 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…☆11,463Jul 5, 2026Updated last week
- A curated list of awesome Kotlin related stuff Inspired by awesome-java.☆11,365Jul 3, 2026Updated 2 weeks ago
- A configuration as code language with rich validation and tooling.☆11,462Updated this week
- A declarative API to handle Android runtime permissions.☆11,174Nov 10, 2023Updated 2 years ago
- AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.☆11,387Updated this week
- Production ready toolkit to run AI locally☆10,305Updated this week
- IdeaVim – A Vim engine for JetBrains IDEs☆10,240Updated this week
- Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform☆9,998Jun 15, 2026Updated last month