Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now. Learn more →
Top 23 Kotlin Tool Projects
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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kotlin-android-template
Android + Kotlin + Github Actions + ktlint + Detekt + Gradle Kotlin DSL + buildSrc = ❤️
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EasyWatermark
🔒 🖼 Securely, easily add a watermark to your sensitive photos. 安全、简单地为你的敏感照片添加水印，防止被人泄露、利用
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otphelper
open-source application that can copy OTP and codes from notifications automatically for you
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Debug Bottle
🍼Debug Bottle is an Android runtime debug / develop tools written using kotlin language.
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sonarlint-intellij
SonarQube plugin for JetBrains IDEs providing code quality and security feedback directly in the IDE
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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ktfmt-gradle
A Gradle plugin to apply ktfmt to your builds, and reformat you Kotlin source code like a glimpse 🧹🐘
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compose-recyclerview
Android - A jetpack compose list view that is backed by our all time favourite RecyclerView.
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ScrcpyHub
ScrcpyHub is a GUI application to use scrcpy. scrcpy is a tool to mirror the android screen. (Scrcpy GUI)
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bitdowntoc
Online and command-line Markdown TOC generator, with built-in support for BitBucket Server, GitHub, Gitlab, dev.to and more!
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airdots-double-tap
Adds the functionality to skip songs on double-tap with earphones that activate virtual assistant
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ARFaceDetection
AR-based library for Android which is capable of detecting faces and overlaying images above the user’s head
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Kotlin Bootstrap
This set of libraries is designed to help developers accomplish various tasks easier and faster (by Cleveroad)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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 Tools discussion
Kotlin Tools related posts
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I didn't know it was this exciting !
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Integrating Code Formatting into Your Android Projects
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HRV-Mart
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Setting up linting/formatting for an Android project
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Visualize all Kotlin Interface's in a Repo
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A note from our sponsor - Kargo
akuity.io | 7 Sep 2026
Index
What are some of the best open-source Tool projects in Kotlin? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ktlint | 6,735 |
| 2 | dokka | 3,807 |
| 3 | kotlin-android-template | 1,907 |
| 4 | EasyWatermark | 1,862 |
| 5 | otphelper | 905 |
| 6 | Debug Bottle | 845 |
| 7 | sonarlint-intellij | 639 |
| 8 | telegram-bot | 248 |
| 9 | ktfmt-gradle | 223 |
| 10 | KtsRunner | 211 |
| 11 | compose-recyclerview | 205 |
| 12 | ScrcpyHub | 157 |
| 13 | BlurTutorial | 155 |
| 14 | counter | 128 |
| 15 | bitdowntoc | 108 |
| 16 | airdots-double-tap | 64 |
| 17 | ARFaceDetection | 52 |
| 18 | ColdStorage | 47 |
| 19 | AnUitor | 41 |
| 20 | Kotlin Bootstrap | 41 |
| 21 | keplin | 26 |
| 22 | Kandy | 21 |
| 23 | KotlinW | 18 |
Sponsored
Monitoring that respects your time & budget
APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
www.appsignal.com