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Top 23 kotlin-android Open-Source Projects
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Project mention: RCS is a "standard" in name only – $15k bounty trying to break Google's lock-in | news.ycombinator.com | 2026-04-07
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android-interview-questions
Your Cheat Sheet For Android Interview - Android Interview Questions and Answers
Outcome School Android Program
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UltimateAndroidReference
:rocket: Ultimate Android Reference - Your Road to Become a Better Android Developer
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No, and I don't want to rely on f-droid for anything important due to their shoddy security practices (+ as a sibling comment says there's no official signal binaries on fdroid)
For apps i do install from f-droid repos (official or otherwise) i prefer https://github.com/Droid-ify/client
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ComposeCookBook
A Collection on all Jetpack compose UI elements, Layouts, Widgets and Demo screens to see it's potential
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Android-CleanArchitecture-Kotlin
This is a movies sample app in Kotlin, which is part of a serie of blog posts I have written about architecting android application using different approaches.
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FastAdapter
The bullet proof, fast and easy to use adapter library, which minimizes developing time to a fraction...
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Jetpack-Compose-Playground
Community-driven collection of Jetpack Compose example code and tutorials :rocket: https://foso.github.io/compose
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Learn-Jetpack-Compose-By-Example
🚀 This project contains various examples that show how you would do things the "Jetpack Compose" way
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compose-destinations
Annotation processing library for type-safe Jetpack Compose navigation with no boilerplate.
During a mentoring session for my mentee’s Android project a beautifully structured app that just lacked motion personality I introduced her to Ramcosta Destinations. Not because the library itself is magical, but because it provides a clear structure to experiment with transitions without boilerplate. Once navigation felt manageable, I asked her to focus on how the screen should move, not just what it should show.
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-android discussion
kotlin-android related posts
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KV Cache in LLMs
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/e/OS is a complete "deGoogled", mobile ecosystem
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Free Online Book Resources (Library Resources)
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Molly: An Improved Signal App
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The Subtle Art of Making Android Animations Feel Expensive
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DOJ Will Push Google to Sell Off Chrome to Break Search Monopoly
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Day 54. Voyager issue
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source kotlin-android projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | leakcanary | 29,915 |
| 2 | GmsCore | 13,525 |
| 3 | android-interview-questions | 12,331 |
| 4 | awesome-kotlin | 11,351 |
| 5 | FlorisBoard | 8,395 |
| 6 | MaterialFiles | 8,385 |
| 7 | UltimateAndroidReference | 8,146 |
| 8 | Compressor | 7,219 |
| 9 | client | 6,935 |
| 10 | ComposeCookBook | 6,832 |
| 11 | from-java-to-kotlin | 6,325 |
| 12 | Design-Patterns-In-Kotlin | 5,998 |
| 13 | android-oss | 5,783 |
| 14 | Android-CleanArchitecture-Kotlin | 4,814 |
| 15 | copymanga | 4,179 |
| 16 | nextplayer | 4,000 |
| 17 | TachiyomiSY | 3,976 |
| 18 | Lemuroid | 3,952 |
| 19 | FastAdapter | 3,879 |
| 20 | Jetpack-Compose-Playground | 3,645 |
| 21 | Material View Pager Dots Indicator | 3,604 |
| 22 | Learn-Jetpack-Compose-By-Example | 3,453 |
| 23 | compose-destinations | 3,401 |
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