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Browse free open source Kotlin Libraries and projects below. Use the toggles on the left to filter open source Kotlin Libraries by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • Go beyond a virtual data room with Datasite Diligence Icon
    Go beyond a virtual data room with Datasite Diligence

    Datasite Diligence, helps dealmakers in more than 170 countries close more deals, faster.

    The data room with a view. Evolved for next-generation M&A. Built on decades of deal experience. Packed with expert tools, yet intuitive for novices. A fully mobile platform with frictionless processes. Smart AI tools that let you close more deals, faster, plus end-to-end support at all times. Do due diligence with intelligence.
    Learn More
  • 1
    Hacker Scripts

    Hacker Scripts

    Based on a true story

    Hacker Scripts is a cheeky collection of small automation scripts and language ports collected under the tagline “Based on a true story.” The repository gathers playful utilities (originally shell and Ruby scripts) that automate short, real-world tasks — for example, sending a quick “late at work” text when SSH sessions are active, firing off an automated “I’m sick / working from home” email on certain mornings, or even talking to a networked coffee machine to start brewing at precisely the right moment. The README explains the origin story and highlights several canonical scripts and provides usage notes such as required environment variables and cron examples for scheduling. Contributors have provided implementations and ports in many languages and folders (shell, Ruby, Python, Node, Perl, PowerShell, Go, Java, etc.), and the project explicitly welcomes pull requests that add additional language implementations.
    Downloads: 137 This Week
    Last Update:
    See Project
  • 2
    Rekado

    Rekado

    Payload launcher and serial number checker for Nintendo Switch

    Payload launcher is written in Kotlin for Nintendo Switch. The application doesn't require Root on your device.
    Downloads: 111 This Week
    Last Update:
    See Project
  • 3
    Mtk Easy Su

    Mtk Easy Su

    Get bootless root access with few clicks.

    This app set up bootless super user access, with Magisk and Mtk-su, on MediaTek Android devices. To facilitate those wishing to use the security breach Mtk-su by Diplomatic. If you are a more advanced user. I recommend using the mtk-su tool from the terminal, you will have more possibilities and control over the process.
    Downloads: 58 This Week
    Last Update:
    See Project
  • 4
    Image Picker Library for Android

    Image Picker Library for Android

    Image Picker for Android, Pick an image from Gallery

    Easy to use and configurable library to Pick an image from the Gallery or Capture an image using a Camera. It also allows to Crop and Compress the Image based on Aspect Ratio, Resolution, and Image Size. Almost 90% of the apps that I have developed have an Image upload feature. Along with the image selection, Sometimes I needed a crop feature for my profile image for that I've used uCrop. Most of the time I need to compress the image as the image captured from the camera is more than 5-10 MBs and sometimes we have a requirement to upload images with specific resolution/size, in that case, image compression is the way to go option. To simplify the image pick/capture option I have created the ImagePicker library. I hope it will be useful to all.
    Downloads: 13 This Week
    Last Update:
    See Project
  • Enterprise Job Scheduling Software Icon
    Enterprise Job Scheduling Software

    Unify Enterprise Job Scheduling for Scale, Visibility, and Control

    Managing your sprawling data center and cloud with disparate native schedulers creates chaos. Achieve unparalleled control and efficiency over your entire IT environment with JAMS job orchestration tools. JAMS provides the singular, centralized platform required to overcome the complexities of disparate native schedulers. Automate, secure, and govern all your workloads, eliminating fragmented control, compliance risks, and operational bottlenecks. JAMS streamlines operations and ensures audit-ready history, transforming your enterprise automation with confidence and precision.
    Learn More
  • 5
    LeakCanary

    LeakCanary

    A memory leak detection library for Android

    LeakCanary is a reliable memory leak detection library for Android. It effectively detects leaks and narrows down the cause of each leak through its in-depth knowledge of the internals of the Android Framework. This helps developers avoid and dramatically reduce OutOfMemoryError (OOM) crashes. A memory leak is a programming error that can cause an OutOfMemoryError crash. It’s often caused by bugs related to the lifecycle of objects, and can occur fairly often in Android applications. LeakCanary helps to find and fix those leaks during development so you never have to experience another OOM crash.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 6
    LibChecker

    LibChecker

    An app to view libraries used in apps in your device

    This app is used to view the third-party libraries used by applications in your device. It can view the ABI architecture of the application's native library (in general, whether the application is 64-bit or 32-bit). It can also view well-known libraries marked by The Rule Repository, and can even sort and view them according to the number of libraries references.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 7
    MRepo

    MRepo

    A Modules Manager for Magisk & KernelSU

    MRepo (short for My Repository or Modules Repository) is an Android app that helps manage your own modules repository.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    Android Developer Roadmap

    Android Developer Roadmap

    The Android Developer Roadmap offers comprehensive learning paths

    Android Developer Roadmap suggests learning paths to understanding Android development. The Android Developer Roadmap is designed to give you a comprehensive understanding of the current Android ecosystem and provides suggested learning paths along the way to help you grasp the concepts. Each node indicates concepts of Android systems, Android SDK, and generally used libraries. It would be helpful to refer to the Android Developers Reference or GitHub for the specific terminologies. In addition, you don't need to learn everything from this roadmap. So we recommend only reading the sections that would be helpful to you.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 9
    CPU Info

    CPU Info

    CPU Info provides information about device hardware and software

    CPU Info provides the main information about the hardware and software of your device.
    Downloads: 9 This Week
    Last Update:
    See Project
  • File Synchronization, File Replication and File Archiving software solutions. Icon
    File Synchronization, File Replication and File Archiving software solutions.

    SIMPLIFY CRITICAL FILE TRANSFERS

    SureSync is a file replication and synchronization application that provides one-way and multi-way processing in both scheduled and real-time modes.
    Learn More
  • 10
    Linux Command Library (Mobile+CLI+Web)

    Linux Command Library (Mobile+CLI+Web)

    1M downloads Linux reference app with basics, tips and formatted pages

    The app currently has 5547 manual pages, 22+ basic categories and a bunch of general terminal tips. It works 100% offline, doesn't need an internet connection and has no tracking software.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 11
    Gitnuro

    Gitnuro

    A FOSS Git multiplatform client for newbies and pros

    A FOSS Git client based on (Jetbrains) Compose and JGit. The main goal of Gitnuro is to provide a multiplatform open-source Git client without any kind of constraint to how you can use it or rely on web technologies.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 12
    Orchestra

    Orchestra

    Collection of Jetpack Compose libraries to build tooltips and spinners

    A collection of Jetpack Compose libraries, which are compatible with custom views for Android. Orchestra ColorPicker allows you to build color picker for getting colors from any images by tapping on the desired color for Jetpack Compose. This is a Jetpack Compose compatible package of ColorPickerView.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 13
    Super Bottom Sheet

    Super Bottom Sheet

    Android native BottomSheet on steroids

    This library allows you to display the bottom sheets in your application with the bonus of animating the color of the status bar and the upper rounded corners while scrolling.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 14
    kotlin-libui

    kotlin-libui

    Kotlin/Native interop to libui: a portable GUI library

    Kotlin/Native bindings to the libui C library. libui is a C lightweight multi-platform UI library using native widgets on Linux (Gtk3), macOS, and Windows. Using this binding you can develop cross-platform but native-looking GUI programs, written in Kotlin, and compiled into small native executable files. Cross-platform build is automated using Travis for Linux and macOS targets, and AppVeyor for Windows targets. Just create a release on GitHub, and executable files for all 3 major desktop platforms will be compiled and attached to the release.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 15
    kscript

    kscript

    Scripting enhancements for Kotlin

    Enhanced scripting support for Kotlin on *nix-based and Windows systems. Kotlin has some built-in support for scripting already, but it is not yet feature-rich enough to be a viable alternative in the shell.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 16
    BuildKonfig

    BuildKonfig

    BuildConfig for Kotlin Multiplatform Project

    BuildConfig for Kotlin Multiplatform Project. It currently supports embedding values from gradle file.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 17
    Compose Rich Editor

    Compose Rich Editor

    A Rich text editor library for both Jetpack Compose

    A rich text editor library for both Jetpack Compose and Compose Multiplatform, fully customizable and supports the common rich text editor features.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 18
    FastAdapter

    FastAdapter

    The bullet proof, fast and easy to use adapter library

    The FastAdapter is here to simplify creating adapters for RecyclerViews. Don't worry about the adapter anymore. Just write the logic for how your view/item should look like, and you are done. It's blazing fast, minimizing the code you need to write, and is easy to extend.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 19
    Immuni Android

    Immuni Android

    Official repository for the Android version of the immuni application

    This repository contains the source code of Immuni's Android client.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 20
    Konfetti

    Konfetti

    Celebrate more with this lightweight confetti particle system

    Configure your confetti using the Party configuration object. This holds all the information on how the confetti will be generated. Almost all properties of a Party object have a default configuration! This makes it super easy to create beautiful and natural-looking confetti. But the possibilities are endless! You can fully control how the confetti will be generated and behave by customizing the values of the Party object.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 21
    Ksoup

    Ksoup

    Ksoup is a lightweight Kotlin Multiplatform library for parsing HTML

    Ksoup is a lightweight Kotlin Multiplatform library for parsing HTML, extracting HTML tags, attributes, and text, and encoding and decoding HTML entities. ​
    Downloads: 7 This Week
    Last Update:
    See Project
  • 22
    krangl

    krangl

    krangl is a {K}otlin DSL for data w{rangl}ing

    krangl is a {K}otlin library for data w{rangl}ing. Implementing a grammar of data manipulation using a modern functional-style API, allows filtering, transforming, aggregating, and reshaping tabular data. krangl is heavily inspired by the amazing dplyr for R. krangl is written in Kotlin, excels in Kotlin, but emphasizes as well on good java-interop. It is mimicking the API of dplyr, while carefully adding more typed constructs where possible.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 23
    Calf

    Calf

    Calf is a library that allows you to easily create adaptive UIs

    Calf is a library that allows you to easily create adaptive UIs for your Compose Multiplatform apps.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 24
    Compose Navigation Reimagined

    Compose Navigation Reimagined

    Type-safe navigation library for Jetpack Compose

    A small and simple, yet fully fledged and customizable navigation library for Jetpack Compose.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 25
    Jetpack Compose Playground

    Jetpack Compose Playground

    Community-driven collection of Jetpack Compose example code

    This is a community-driven collection of Jetpack Compose documentation/examples/tutorials and demos. Jetpack Compose is a modern toolkit for building native Android UI. Jetpack Compose simplifies and accelerates UI development on Android with less code, powerful tools, and intuitive Kotlin APIs.
    Downloads: 6 This Week
    Last Update:
    See Project
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