Gustavo Fão Valvassori

ponytail. Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

apfel. The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat — all on-device via Apple Intelligence. No API keys, no cloud, no downloads.

kjwt. Kotlin

SKIE. SKIE - Swift Kotlin Interface Enhancer

stats. macOS system monitor in your menu bar

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

swift-klib-plugin. Gradle Plugin for injecting Swift code into Kotlin Multiplatform Mobile shared module

wabt. The WebAssembly Binary Toolkit

amper. Amper - a build tool for the Kotlin and Java languages, with a focus on user experience and tooling

HikariCP. 光 HikariCP・A solid, high-performance, JDBC connection pool at last.

kotlinx.coroutines. Library support for Kotlin coroutines

greenlight. Greenlight is an open-source client for xCloud and Xbox home streaming made in Typescript.

payload. Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

serve. Static file serving and directory listing

km-shop. Shop for 4 operating systems: Linux, Aurora OS, iOS, Android. Includes 2 React apps for Web - Website, Admin-Panel.

parcelize-darwin. Kotlin

redwood. Multiplatform reactive UI for Android, iOS, and web using Kotlin and Jetpack Compose

kotlin-multiplatform-samples. Samples showcasing the Kotlin Multiplatform Jetpack libraries

Maestro. Painless E2E Automation for Mobile and Web

spec. Development Containers: Use a container as a full-featured development environment.

aurora. Building modern, elegant and fast desktop Compose applications

android_guides. Extensive Open-Source Guides for Android Developers

KMMBridge. KMMBridge is a tool that helps publish Kotlin Multiplatform (KMP) Xcode binaries for use from Swift Package Manager (SPM) and CocoaPods.

cli. A reference implementation for the specification that can create and configure a dev container from a devcontainer.json.

cors-anywhere. CORS Anywhere is a NodeJS reverse proxy which adds CORS headers to the proxied request.

swiftpoet. Kotlin and Java API for generating .swift source files.

dokka. API documentation engine for Kotlin

swift-snapshot-testing. 📸 Delightful Swift snapshot testing.

kotlin-compile-testing. A library for testing Kotlin and Java annotation processors, compiler plugins and code generation

kdoctor. Environment analysis tool

kotlinx-cli. Pure Kotlin implementation of a generic CLI parser.

kmp-test. Understanding and Configuring your Kotlin Multiplatform Mobile Test Suite

android-maps-compose. Jetpack Compose composables for the Maps SDK for Android

SpotiFlyer. Kotlin Multiplatform Music Downloader, Supports Spotify / Gaana / Youtube Music / Jio Saavn / SoundCloud.

Qodana. 📝 Source repository of Qodana Help

fastlane. 🚀 The easiest way to automate building and releasing your iOS and Android apps

Decompose. Kotlin Multiplatform lifecycle-aware business logic components (aka BLoCs) with routing (navigation) and pluggable UI (Jetpack Compose, SwiftUI, JS React, etc.)

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

MocKMP. A mocking processor for Kotlin Multiplatform

kotlin-math. Set of Kotlin APIs to make graphics math easier to write.

moko-resources. Resources access for mobile (android & ios) Kotlin Multiplatform development

BuildKonfig. BuildConfig for Kotlin Multiplatform Project

100DaysOfPy. 100 Days of Python Programming

koru. Simple coroutine wrappers for Kotlin Native. Generated from annotations. Compatible with RxSwift, Combine, async-await.

kotlinx-kover. Kotlin

kotlin-gradle-plugin-template. 🐘 A template to let you started with custom Gradle Plugins + Kotlin in a few seconds

reflekt. A plugin for Kotlin compiler for compile-time reflection

arrow. The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming

cli. GitHub’s official command line tool

compose-animations. Group of libraries to help you build better animations with Compose Multiplatform

easings.net. Easing Functions Cheat Sheet

nocodb. 🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

FigmaToCode. Generate responsive pages and apps on HTML, Tailwind, Flutter and SwiftUI.

kscript. Scripting enhancements for Kotlin

Splitties. A collection of hand-crafted extensions for your Kotlin projects.

leakcanary. A memory leak detection library for Android.

Stately. Kotlin Multiplatform State Library

android-interview-questions. Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

Android. DuckDuckGo Android App

lazybones. 😴 A lazy and fluent syntactic sugar for observing Activity, Fragment, and ViewModel lifecycles with lifecycle-aware properties.

fluentui-android. Kotlin

wslg. Enabling the Windows Subsystem for Linux to include support for Wayland and X server related scenarios

pidcat. Colored logcat script which only shows log entries for a specific application package.

nogotofail. An on-path blackbox network traffic security testing tool

dex2jar. Tools to work with android .dex and java .class files

jadx. Dex to Java decompiler

PEASS-ng. PEASS - Privilege Escalation Awesome Scripts SUITE (with colors)

multiplatform-settings. A Kotlin Multiplatform library for saving simple key-value data

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

clikt. Multiplatform command line interface parsing for Kotlin

KaMPKit. KaMP Kit by Touchlab. A collection of code & tools designed to get your mobile team started quickly w/Kotlin Multiplatform

kotlin-native-io. Kotlin

Foodium. 🍲Foodium is a sample food blog Android application 📱 built to demonstrate the use of Modern Android development tools - (Kotlin, Coroutines, Flow, Dagger 2/Hilt, Architecture Components, MVVM, Room, Retrofit, Moshi, Material Components).

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

korlibs-all. Multiplatform VideoGame engine and cohesive libraries for Kotlin JS + JVM + Native

kotlin. The Kotlin Programming Language.

KEEP. Kotlin Evolution and Enhancement Process

StateMachine. A Kotlin and Swift DSL for finite state machine

FlowBinding. Kotlin Coroutines Flow binding APIs for Android's platform and unbundled UI widgets, inspired by RxBinding.

RxBinding. RxJava binding APIs for Android's UI widgets.

RxAndroid. RxJava bindings for Android

Boop. A scriptable scratchpad for developers. In slow yet steady progress.

savannakit. A high-performance, protocol oriented, framework for creating native IDEs for iOS and macOS, written in Swift

kotlin-telegram-bot. 🤖 A wrapper for the Telegram Bot API written in Kotlin

PowerToys. Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

reviewdog. 🐶 Automated code review tool integrated with any code analysis tools regardless of programming language

action-ktlint. Run Ktlint with reviewdog

bat. A cat(1) clone with wings.

action-android. Collection of Android-related GitHub Actions

strikt. An assertion library for Kotlin

theme-lambda. lambda theme for oh my fish

cm42-central. Fork and Evolution of the Fulcrum project - An agile project planning tool and Pivotal Tracker drop-in replacement

owaspbwa. OWASP Broken Web Applications Project

fell. Freer monad for Clojure(Script)

skrape.it. A Kotlin-based testing/scraping/parsing library providing the ability to analyze and extract data from HTML (server & client-side rendered). It places particular emphasis on ease of use and a high level of readability by providing an intuitive DSL. It aims to be a testing lib, but can also be used to scrape websites in a convenient fashion.

litho. A declarative framework for building efficient UIs on Android.

react-monaco-editor. Monaco Editor for React.

react-codemirror. Codemirror Component for React.js

mdx-deck-live-code. A component for mdx-deck to live code in your slides. 🤯

Generex. A Java library for generating String from a regular expression.