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Top 23 Kotlin Ktor Projects
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plain-app
🔥 PlainApp is an open-source app that lets you securely manage your phone from a web browser. Access files, media, contacts, SMS, calls, and more through a simple, easy-to-use interface on your desktop.
Project mention: Show HN: DroidDock – A sleek macOS app for browsing Android device files via ADB | news.ycombinator.com | 2025-11-09For those who want a simpler way to do this wirelessly, PlainApp has been great for me:
https://github.com/ismartcoding/plain-app
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SaaSHub
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koog
Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems
Project mention: Building an AI task generator for Vikunja that doesn't trust itself | dev.to | 2026-05-31The agent workflow runs on Koog, JetBrains' agent framework for Kotlin. The frontend is React + Vite. Everything ships as Docker Compose behind nginx with TLS.
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PeopleInSpace
Kotlin Multiplatform sample with SwiftUI, Jetpack Compose, Compose for Wear, Compose for Desktop, and Compose for Web clients along with Ktor backend.
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Ktorfit
HTTP client generator / KSP plugin for Kotlin Multiplatform (Android, iOS, Js, Jvm, Native, WasmJs)) using KSP and Ktor clients inspired by Retrofit https://foso.github.io/Ktorfit
For the client (Android, iOS, Desktop), we use Ktorfit. It’s essentially "Retrofit for KMP."
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MyBrain
All-in-one productivity app and AI assistant with Tasks, Notes, Calendar, Diary and Bookmarks.
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NotyKT 🖊️
📒 NotyKT is a complete 💎Kotlin-stack (Backend + Android) 📱 application built to demonstrate the use of Modern development tools with best practices implementation🦸.
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CleanArchitecture
Kotlin backend based on the Clean Architecture principles. Ktor, JWT, Exposed, Flyway, OpenAPI/REST & KGraphQL/GraphQL generated endpoints, Gradle. (by ESchouten)
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Foodium-KMM
📱Sample application built to demonstrate the use of Kotlin Multiplatform Mobile for developing Android and iOS applications using Jetpack Compose 🚀.
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Project mention: Show HN: Stove – Kotlin-first E2E testing for JVM Back end apps(Ktor,SpringBoot) | news.ycombinator.com | 2026-01-13
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ktor-arrow-example
Real World implementation - "The mother of all demo apps". Written in Kotlin, with Ktor, Arrow, SqlDelight, KotlinX Serialization, etc.
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ktor-openapi-tools
A collection of libraries to simplify API documentation and exploration for Ktor applications. Generates OpenAPI specifications and provides Swagger UI and ReDoc.
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Llamatik
True on-device AI for Kotlin Multiplatform (Android, iOS, Desktop, JVM, WASM). LLM, Speech-to-Text and Image Generation — powered by llama.cpp, whisper.cpp and stable-diffusion.cpp.
• GitHub: https://github.com/ferranpons/llamatik • Website & demo app: https://llamatik.com • llama.cpp: https://github.com/ggerganov/llama.cpp
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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 Ktor discussion
Kotlin Ktor related posts
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Ktkit: A Kotlin toolkit for building server applications with Ktor
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Show HN: Stove – Kotlin-first E2E testing for JVM Back end apps(Ktor,SpringBoot)
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Modern KMP (Part 1): The End of the "404 Not Found"2
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Show HN: DroidDock – A sleek macOS app for browsing Android device files via ADB
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PlainApp
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PlainApp: Android app to securely manage your phone from a web browser
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Issue with abortNavigation on middleware
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source Ktor projects in Kotlin? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | plain-app | 5,297 |
| 2 | koog | 4,348 |
| 3 | PeopleInSpace | 3,347 |
| 4 | Kodein | 3,330 |
| 5 | Ktorfit | 2,063 |
| 6 | MyBrain | 2,016 |
| 7 | NotyKT 🖊️ | 1,761 |
| 8 | kvision | 1,346 |
| 9 | rsocket-kotlin | 616 |
| 10 | android-template | 614 |
| 11 | ktor-documentation | 533 |
| 12 | awesome-ktor | 495 |
| 13 | dogbin | 371 |
| 14 | CleanArchitecture | 348 |
| 15 | Foodium-KMM | 329 |
| 16 | compose-server-side | 310 |
| 17 | stove | 309 |
| 18 | ktor-arrow-example | 301 |
| 19 | ktor-openapi-tools | 285 |
| 20 | Ktor-OpenAPI-Generator | 252 |
| 21 | MangaKu | 249 |
| 22 | Llamatik | 148 |
| 23 | jellyfin-sdk-kotlin | 115 |
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