Kotlin Libraries and Tools

Versatile Markdown typesetting with dynamic scripting, modular structure, conditional logic, and compilation to print, ebook, or presentations formats.

Ad-free Android music streaming with Material 3 design, offline song downloads, background playback, multi-queue, synced lyrics, Android Auto, and advanced library management.

Ever tried to find that one config file hidden deep in your directory tree? Or maybe you just want to quickly jump to a directory and inspect some files on the way? nav is here to help!

Panda is a proactive, on-device AI agent for Android that autonomously understands natural language commands and operates your phone's UI to achieve them. Inspired by the need to make modern technology more accessible, Panda acts as your personal operator, capable of...

Quash is an SDK tool seamlessly integrated into app testing builds. It empowers QA testers to instantly create and submit bug reports from the mobile interface. Beyond manual input, Quash auto-captures screenshots, screen recordings, API call statuses, and performs root cause...

NewPlayer is a media framework, which is independent of NewPipe itself. I decided to make it independent, because one of the big issues we have with the current player is that it is deeply integrated into NewPipe.

Koog is a Kotlin-based framework designed to build and run AI agents entirely in idiomatic Kotlin. It lets you create agents that can interact with tools, handle complex workflows, and communicate with users.

Doodle helps you create beautiful, modern apps entirely in Kotlin. Its render model is intuitive yet powerful, making it easy to achieve complex UIs with pixel level precision and layouts. This simplicity and power applies to everything from user input to drag and drop.

TrustCaptcha is a privacy-first, invisible CAPTCHA that protects your website from bots and spam—without disrupting your users.

mutflow is a mutation testing tool for Kotlin, implemented as a K2 compiler plugin. It injects all mutations at compile time and activates them one-by-one during your normal test run.

Features a typesafe SQL-wrapping DSL and lightweight DAO API for database access in Kotlin, supporting JDBC, R2DBC, reactive operations, and schema migration.

Business Store B2C Flutter ECommerce Full Mobile App with PHP Laravel CMS.