Peter Gulko

paparazzi. Render your Android screens without a physical device or emulator

touch-robot. Interactive screenshot tests for Compose UI

signum. Kotlin Multiplatform Crypto/PKI/ASN.1 Library with Attestation and Hardware-Backed Crypto Support on Mobile

testBalloon. Kotlin testing made easy, everywhere.

testballoon-addons. Addons for TestBalloon

hydra. A Gradle-plugin RASP for Android — dynamically bake root/hooking/cloning/integrity checks into any APK at build time.

combo-breaker. Text layout for Compose to flow text around arbitrary shapes.

vibrance. Natural color mixing for Kotlin and Compose Multiplatform.

whisper. Robust Speech Recognition via Large-Scale Weak Supervision

sentinel. Sentinel is a modular Kotlin Multiplatform security toolkit designed to analyze operating environments and detect potential security threats in real time.

Paginator. Kotlin Multiplatform pagination library for Android, iOS, JVM & Web — cursor & offset, caching, bookmarks, Flow-based state

material-3-compose-unstyled. An implementation of Google's Material 3 Compose using Compose Unstyled

KSafe. A library for saving key/value pair data for Kotlin Multiplatform and Android. Encryption enabled by default, with option for Plain (unencrypted) storage. Supports Property Delegates, Flow/StateFlow, with Jetpack Compose and biometrics integration using hardware-backed encryption.

jadx. Dex to Java decompiler

compose-buddy. EXPERIMENTAL!

intellij-comment-continuation. Slashes on autopilot

FuzzyKot. Fuzzy string matching for Kotlin Multiplatform.

VueTorrent. The sleekest looking WEBUI for qBittorrent made with Vuejs!

KScan. Compose Multiplatform Barcode Scanning

sheets. Another feature-rich bottom sheet for Compose Multiplatform.

ktoon. KToon is a Kotlin Multiplatform serialization library implementing the TOON format (Token-Oriented Object Notation). Think of it as JSON's efficient cousin perfect for mobile apps, IoT devices, and anywhere bandwidth matters.

Mediator. Cross-platform GUI gRPC debugging proxy

byte-size. Kotlin multiplatform units for representing SI and IEC bytes and bits, inspired by jakewharton/byteunits and kotlin.time.Duration

TimelineView. A Jetpack Compose modular UI component inspired by the Soundcloud wave scroll view.

kable. Kotlin Asynchronous Bluetooth Low-Energy

ab-download-manager. A Download Manager that speeds up your downloads

Valkyrie. SVG/XML to Compose ImageVector: IntelliJ IDEA / Android Studio plugin + build-in previewer without compilation, CLI tool, Gradle plugin

Kubit. Micro-optimized, fast, memory-efficient Kotlin utilities.

compose-keyhandler. A key handler library for compose multiplatform/KMP

storyboard. Library for building presentations using Compose Multiplatform.

espeak-ng. eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.

rybbit. 🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.

compose-sonner. An opinionated toast component for Compose Multiplatform.

compose-multiplatform. Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

gobley. Embed Rust into your Kotlin Multiplatform project

kalendar. Kalendar is no ordinary library — it’s the Elder Wand of calendar components, crafted for Compose (now with KMP support) sorcerers who demand both power and elegance. With the flick of your wrist (or a few lines of Kotlin), you conjure a magical, interactive calendar that bends to your will. With Kalendar, your app becomes as organized as Hermione

pgjdbc. Postgresql JDBC Driver

rust-android-gradle. Kotlin

gradle-maven-publish-plugin. A Gradle plugin that publishes your Android and Kotlin libraries, including sources and javadoc, to Maven Central or any other Nexus instance.

kotlinx.html. Kotlin DSL for HTML

kotlin-logging. Lightweight Multiplatform logging framework for Kotlin. A convenient and performant logging facade.

gradle-versions-plugin. Gradle plugin to discover dependency updates

timber. A logger with a small, extensible API which provides utility on top of Android's normal Log class.

Cat-Activity. Plugin for JetBrains IDE to show your activity in your Discord profile

metro. A multiplatform, compile-time dependency injection framework for Kotlin

HealthyCoroutines. Kotlin

gradle. Adaptable, fast automation for all

ComposeMediaPlayer. Compose Media Player is a video player library designed for Compose Multiplatform, supporting multiple platforms including Android, macOS, Windows, Linux, iOS and Compose Web

FileKit. Pick and save Files, Medias and Folder for Kotlin Multiplatform / KMP and Compose Multiplatform / CMP

KtorMonitor. Powerful tool to monitor Ktor Client, OkHttp and http4k requests and responses, making it easier to debug and analyze network communication.

sampler. Tool for shell commands execution, visualization and alerting. Configured with a simple YAML file.

shadow. Gradle plugin for creating fat/uber JARs, transforming files, relocating packages, and optimizing applications with R8/ProGuard. The Gradle counterpart to Maven’s Shade plugin.

Restrikt. Lightweight compiler plugin intended for Kotlin/JVM library development and symbol visibility control.

pods4k. Performance-oriented Data Structures for Kotlin

Cloudy. ☁️ Kotlin Multiplatform blur and liquid glass effect library for Compose, with GPU-accelerated rendering and CPU fallback for older devices.

ipapi-java. A Java library to query IP addresses using the https://ipquery.io API.

Capturable. 🚀Jetpack Compose utility library for capturing Composable content and transforming it into Bitmap Image🖼️

AdaptiveStack. Compose Multiplatform Adaptive Stack Library

scrimage. JVM - Java, Kotlin, Scala image processing library

okio. A modern I/O library for Android, Java, and Kotlin Multiplatform.

alchemist. Type safe management and arithmetic of physical units. Inspired by kotlin.time.Duration.

ProcessPhoenix. Process Phoenix facilitates restarting your application process.

ComposeMultiplatformMediaPlayer. Kotlin

zoomimage. Image zoom library specially designed for Compose Multiplatform and Android View. Supported scale, pan, locate, rotation, and super-large image subsampling.

Ackpine. Android package installer library

ComposeNativeTray. ComposeTray is a Kotlin library that provides a simple way to create system tray applications with native support for Mac, Linux and Windows. This library allows you to add a system tray icon, tooltip, and menu with various options in a Kotlin DSL-style syntax.

finalization-hook. Run a "hook" lambda after a block of code regardless of whether the block succeeds, fails, or the application is killed.

sshj. ssh, scp and sftp for java

JsonPathKt. A lighter and more efficient implementation of JsonPath in Kotlin Multiplatform

compose-data-table. An implementation of the Material Design data table for Compose.

kopy. Nested copies made easy in Kotlin

compose-report-to-html. A utility (Gradle Plugin + CLI) to convert Jetpack Compose compiler metrics and reports to beautified HTML page.

mordant. Multiplatform text styling for Kotlin command-line applications

zapret. DPI bypass multi platform

GoodbyeDPI. GoodbyeDPI — Deep Packet Inspection circumvention utility (for Windows)

lazy-pagination-compose. An intuitive and customizable Kotlin/Compose Multiplatform pagination composables that are built on top of lazy scrollables. Available on Android, iOS, MacOS, Linux, and Web.

penpot. Penpot: The open-source design platform for Product teams that need scalable collaboration.

okhttp. A meticulous HTTP client for the JVM, Android, and GraalVM.

kotest. Powerful, elegant and flexible test framework for Kotlin with assertions, property testing and data driven tests.

scrcpy. Display and control your Android device

firebase-kotlin-sdk. A Kotlin-first SDK for Firebase

nginx-proxy-manager. Docker container for managing Nginx proxy hosts with a simple, powerful interface

uuid. Kotlin Multiplatform UUID

sqldelight. SQLDelight - Generates typesafe Kotlin APIs from SQL

Maestro. Painless E2E Automation for Mobile and Web

konform. Portable validations for Kotlin

markdown. Markdown parser written in kotlin

kotlinx.collections.immutable. Immutable persistent collections for Kotlin

kotlinx-atomicfu. The idiomatic way to use atomic operations in Kotlin

ktor. Framework for quickly creating connected applications in Kotlin with minimal effort

kotlinx-datetime. KotlinX multiplatform date/time library

ksp. Kotlin Symbol Processing API

detekt. Static code analysis for Kotlin

kotlinx.serialization. Kotlin multiplatform / multi-format serialization

kotlindl. High-level Deep Learning Framework written in Kotlin and inspired by Keras

kotlinx.coroutines. Library support for Kotlin coroutines

Exposed. Kotlin SQL Framework

Kotlin. All Algorithms implemented in Kotlin

Universal-Cache. Kotlin caching and request sharing via Flow. Main idea: don't load data more times than it's needed. Compiled for Android and iOS.

Napier. Logging library for Kotlin Multiplatform

kotlinx-rpc. Add asynchronous RPC services to your multiplatform applications.

timefold-solver. The open source Solver AI for Java and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

CompleteKotlin. Gradle Plugin to enable auto-completion and symbol resolution for all Kotlin/Native platforms.

KMQTT. Kotlin Multiplatform MQTT client & embeddable and standalone broker

compass. 🧭 Kotlin Multiplatform library location toolkit for geocoding and geolocation

Calendar. Kotlin Multiplatform Calendar Library

leakcanary. A memory leak detection library for Android.

ComposeCharts. Animated & Flexible Practical Charts For Jetpack Compose

kotlin. The Kotlin Programming Language.

easy-code-screenshots. A plugin for IntelliJ IDEs to create easy, beautiful screenshots of your code

tauri. Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

iced. A cross-platform GUI library for Rust, inspired by Elm

fleet-sdk-gradle-plugin. Gradle plugin for building plugins for Fleet IDE

fleet-plugin-template. Template repository for creating plugins for JetBrains Fleet

csense-oss-idea-kotlin-shared-test. A somewhat copy past of Jetbrain's code from the kotlin plugin repo (test frameworks) to make it humanly possible to test Intellij IDEA kotlin plugins that work on kotlin.

kotlinx-kover. Kotlin

kmp-awesome. An awesome list that curates the best Kotlin Multiplatform libraries, tools and more.

charts. 🟢 Charts for Jetpack Compose — Multiplatform (Android · iOS · Web · Desktop)

cardiologist. Build job schedules with kotlinx-datetime and kotlinx-coroutines

matomo-java-tracker. Official Java implementation of the Matomo Tracking HTTP API.

akkurate. The expressive validation library for Kotlin

MaterialKolor. 🎨 Generate a dynamic Material3 color scheme from a seed color

reveal. Reveal effect (coach mark) for Compose Multiplatform targeting Android, iOS, Desktop and Web

compose-audiowaveform. Audio waveform library for Jetpack Compose

Amplituda. Audio processing library, which provides waveform data

ksoup. Ksoup is a Kotlin Multiplatform library for working with HTML and XML. It's a port of the renowned Java library Jsoup.

awesome-selfhosted. A list of Free Software network services and web applications which can be hosted on your own servers

kim. Image metadata manipulation library for Kotlin Multiplatform

Orbital. 🪐 Jetpack Compose Multiplatform library that allows you to implement dynamic transition animations such as shared element transitions.

vkompose. Kotlin Compiler Plugins, an IDEA Plugin, and a Detekt Rule that will help to improve your experience with Jetpack Compose

coil. Image loading for Android and Compose Multiplatform.

haze. Background blurring for Compose Multiplatform / Jetpack Compose

multiplatform-markdown-renderer. Markdown renderer for Kotlin Multiplatform Projects (Android, iOS, Desktop), using Compose.

cachemap. A read optimised concurrent map for Kotlin Multiplatform

kotlin-rust. Calling Rust code from Kotlin

minabox. Lazy box library for Jetpack Compose, which allows to display lazy loaded items on the 2D plane.

qrose. Styled QR & Barcode generation library for Compose Multiplatform and Jetpack Compose

proxyee. HTTP proxy server,support HTTPS&websocket.MITM impl,intercept and tamper HTTPS traffic.

Java. All Algorithms implemented in Java

ip2location-kotlin. IP2Location IP Geolocation Kotlin enables applications to retrieve IP geolocation data from an IP address, including country, region, city, latitude, longitude, ZIP code, ISP, domain, time zone, connection speed, weather details, mobile network information, elevation, usage type, address type, and IAB category.

java-html2image. Automatically exported from code.google.com/p/java-html2image

compose-color-picker. A color picker for Jetpack compose 🎨

vico. A powerful and extensible chart library for Compose Multiplatform.

kotlinx-io. Kotlin multiplatform I/O library

jna. Java Native Access

mockwebserver-dsl. Kotlin

ktgbotapi. Type-safe library for work with Telegram Bot API

measurer. Measurer: Library for Google Analytics(using measurement protocol)

kotlin-multiplatform-diff. Multiplaform kotlin library for calculating text differences. Based on java-diff-utils, supports JVM, JS and native targets.

Ksoup. Ksoup is a lightweight Kotlin Multiplatform library for parsing HTML, extracting HTML tags, attributes, and text, and encoding and decoding HTML entities.

vlcj. Java framework for the vlc media player

MVIKotlin. Extendable MVI framework for Kotlin Multiplatform with powerful debugging tools (logging and time travel)

qrcode-kotlin. QRCode Generator implemented in pure Kotlin

aedile. Kotlin Wrapper for Caffeine

kotlin-libs-publisher. Gradle plugin for publishing of Kotlin libs

vosk-api. Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

dependency-analysis-gradle-plugin. Gradle plugin for JVM projects written in Java, Kotlin, Groovy, or Scala; and Android projects written in Java or Kotlin. Provides advice for managing dependencies and other applied plugins

plot. An android compose library with different Graphs and Charts

pathway. A set of APIs to manipulate graphics paths on Android.

Fontastic. A Processing library to create TrueType font files

binary-compatibility-validator. Public API management tool

kotlin-coroutines-okhttp. Kotlin Coroutines await() extension for OkHttp Call

kord. Idiomatic Kotlin Wrapper for The Discord API

oshi. Native Operating System and Hardware Information

constraintlayout. ConstraintLayout is an Android layout component which allows you to position and size widgets in a flexible way

Bouncy. RecyclerView and NestedScrollView with physics-based bouncy overscroll effect

Kodein-DB. Multiplatform NoSQL database

sphinx4. Pure Java speech recognition library

Hub. Sprut.Hub

androidx. Development environment for Android Jetpack extension libraries under the androidx namespace. Synchronized with Android Jetpack's primary development branch on AOSP.

AndroidPdfViewer. Android view for displaying PDFs rendered with PdfiumAndroid

java-diff-utils. Diff Utils library is an OpenSource library for performing the comparison / diff operations between texts or some kind of data: computing diffs, applying patches, generating unified diffs or parsing them, generating diff output for easy future displaying (like side-by-side view) and so on.

picnic. A Kotlin DSL and Java/Kotlin builder API for constructing HTML-like tables which can be rendered to text

FastAdapter. The bullet proof, fast and easy to use adapter library, which minimizes developing time to a fraction...

views-widgets-samples. Multiple samples showing the best practices in views-widgets on Android.

java-design-patterns. Design patterns implemented in Java

chucker. 🔎 An HTTP inspector for Android & OkHTTP (like Charles but on device)

javapoet. A Java API for generating .java source files.

kotlinpoet. A Kotlin API for generating .kt source files.

koin. Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform

joda-time. Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.

ExpectAnim. Describe your animation and run !

dotsindicator. Dots indicators for Android ViewPager and Compose

Nier-Visualizer. A lightweight and efficient Android visual library.

MaterialTutorial. An Android library that provides a simple Material-Designed tutorial.

objectbox-java. Database for Android and JVM - first and fast, lightweight on-device vector database

TextPathView. A View with text path animation!

twitch4j. A JVM library for all Twitch APIs, including Chat, Helix, and EventSub (webhook/websocket/conduit). It includes advanced features for large-scale apps such as connection pooling, rate-limiting, and more!

ExpansionPanel. Android - Expansion panels contain creation flows and allow lightweight editing of an element.

gesture-recycler. This library provides swipe & drag and drop support for RecyclerView.

onyx. An android library that uses technologies like artificial Intelligence, machine learning, and deep learning to make developers understand the content that they are displaying in their app.

GravitySnapHelper. A SnapHelper that snaps a RecyclerView to an edge.

RealtimeBlurView. A realtime blurring overlay for Android (like iOS UIVisualEffectView)

DateTimeSeer. A painless way to pick future time.

shortbread. Android library that creates app shortcuts from annotations

EasyGestureUnlock. A light gesture unlock view for Android.

EasyChart. A light chart view for Android, chart type can be EXTENDED very easily.

EasyPickerView. A light Wheel Picker View for Android.

Markwon. Android markdown library (no WebView)

blurkit-android. The missing Android blurring library. Fast blur-behind layout that parallels iOS.