Kotlin System Software

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

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  • 1
    Magisk

    Magisk

    Suite of open source tools for customizing Android

    Magisk is a suite of tools intended for Android customization, and supports devices higher than Android 4.2. Some elements of Android customization are root, boot scripts, SELinux patches, AVB2.0 / dm-verity / forceencrypt removals, etc. Some of the most important features of Magisk are that it provides root access to your device and it modifies read-only partitions when installing modules. Also, you can hide Magisk from root detections / system integrity checks. Magisk comes with a huge collections of tools for installation, daemons, and utilities for developers. Magisk contains MagiskSU, Magisk Modules and MagiskHide features.
    Downloads: 439 This Week
    Last Update:
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  • 2
    ShizuTools

    ShizuTools

    Contains many tools to control android system via shizuku

    ShizuTools is an Android utility suite that leverages elevated system access via Shizuku to provide controls that normally require ADB, root, or OEM-only privileges. Instead of being a single-purpose app, it bundles several focused tools under one umbrella, making it easier to apply advanced tweaks without constantly switching apps or writing commands by hand. A major use case is system app management, where the Debloater tool helps uninstall or disable preinstalled components and surfaces app information to guide safer decisions. It also includes tools that change day-to-day behavior, like enforcing picture-in-picture for apps that don’t expose it, enabling multiple audio streams at once, and giving per-app audio controls beyond what Android typically allows. For power users and automation fans, it offers shells that can execute raw ADB-style commands directly, including an intent-driven mode designed to be triggered by automation apps like Tasker or MacroDroid.
    Downloads: 279 This Week
    Last Update:
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  • 3
    AB Download Manager

    AB Download Manager

    A Download Manager that speeds up your downloads

    AB Download Manager is an Android library that provides reliable and resumable download capabilities for applications. It supports multi-threaded downloads, progress tracking, and background tasks, making it ideal for apps that require robust file transfer features. The library is built for easy integration and performance on Android devices.
    Downloads: 111 This Week
    Last Update:
    See Project
  • 4
    Lemuroid

    Lemuroid

    All in one emulator on Android!

    Lemuroid is an open-source emulator based on Libretro. It's designed to work on a wide range of devices, from phones to TVs, and to provide the best user experience on Android. It's completely free and without ads. Keep in mind not every device can emulate every console. A very powerful one is required for more recent systems such as PSP and DS and 3DS. This application does not contain any games. You need to provide your own legally owned ROM files. It originated from a rib of Retrograde, but graduated to a standalone project integrating LibretroDroid.
    Downloads: 89 This Week
    Last Update:
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  • 5
    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: 79 This Week
    Last Update:
    See Project
  • 6
    EtchDroid

    EtchDroid

    An application to write OS images to USB drives, on Android

    EtchDroid is an open-source application that writes disk images to USB drives. Use it to make a bootable operating system USB drive when your laptop is dead.
    Downloads: 72 This Week
    Last Update:
    See Project
  • 7
    Smart AutoClicker

    Smart AutoClicker

    An open-source auto clicker on images for Android

    Smart AutoClicker is an Android application allowing to automate repetitive task by clicking automatically for you on the screen. Unlike the regular auto clicker application, the clicks aren't based on timers to execute the clicks. Instead, it allows you to capture an image from a part of your screen and execute the click once this image is detected again.
    Downloads: 43 This Week
    Last Update:
    See Project
  • 8
    Kvaesitso

    Kvaesitso

    A search-focused Android launcher

    Kvaesitso is a search-focused, free and open source launcher for Android. The preferred way of installation is using the F-Droid application. That way you will always be notified about updates. Kvaesitso is available in the official F-Droid repository, but all features depending on non-foss external APIs were removed. For feature-complete builds, you can add MM20's repository.
    Downloads: 42 This Week
    Last Update:
    See Project
  • 9
    Shizuku

    Shizuku

    Using system APIs directly with adb/root privileges from normal apps

    Shizuku is a powerful Android tool that allows apps to use system-level APIs with ADB or root privileges, without requiring the apps themselves to be rooted. It acts as a service layer that proxies system API access, enabling developers and advanced users to build powerful system utilities or tweak tools while preserving user security and sandboxing.
    Downloads: 42 This Week
    Last Update:
    See Project
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  • 10
    melonDS Android port

    melonDS Android port

    Android port of melonDS

    melonDS Android is a mobile port of the melonDS emulator, designed to run Nintendo DS and DSi games on Android devices with a focus on performance and usability. It brings the accuracy and features of the original desktop emulator to smartphones, enabling users to play games and run homebrew software directly on mobile hardware. The emulator includes support for features such as save states, ROM loading, and integration with third-party frontend launchers. Performance is optimized through techniques like just-in-time (JIT) compilation and threaded rendering, allowing many games to run at full speed on modern 64-bit devices. The project also supports compressed ROM formats and flexible file handling through Android’s storage access framework. While some advanced features such as local multiplayer are still missing, the emulator continues to evolve with frequent updates and community contributions.
    Downloads: 42 This Week
    Last Update:
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  • 11
    Fcitx5 Android

    Fcitx5 Android

    Fcitx5 input method framework and engines ported to Android

    fcitx5‑android is an Android port of the fcitx5 input method framework (originally for Linux). It brings features of desktop IME—like pinyin, table-based input, and plugin support—to Android devices. APKs are available via GitHub, F‑Droid, and Google Play.
    Downloads: 37 This Week
    Last Update:
    See Project
  • 12
    Klick'r

    Klick'r

    An open-source auto clicker on images for Android

    Klick'r is an open-source Android application designed to automate repetitive tasks effortlessly. Formerly known as Smart AutoClicker, Klick'r offers unique image detection capabilities alongside traditional auto-clicking functionalities, providing a versatile solution for all your automation needs. Whether you’re a gamer automating in-game actions, a tester simulating user interactions, or anyone performing repetitive clicking tasks, Klick'r offers both image detection for sophisticated automation and a Regular Mode for straightforward auto-clicking.
    Downloads: 34 This Week
    Last Update:
    See Project
  • 13
    PlainApp

    PlainApp

    Open-source application that allows you to manage your phone

    PlainApp is an open-source application that allows you to manage your phone through a web browser. Access files, videos, music, contacts, sms, calls, and more from your desktop using a secure, easy-to-use web interface. We take your privacy seriously and use TLS + AES-GCM-256 encryption to ensure your data is secure. PlainApp has a modern, customizable interface with multi-language support, light/dark theme options. You can manage your phone from your desktop by visiting a self-hosted webpage wirelessly.
    Downloads: 30 This Week
    Last Update:
    See Project
  • 14
    Octavi-OS

    Octavi-OS

    fast mirror online soon

    An AOSP based custom rom with new look and feel and massive customisations , contains everything you need .
    Downloads: 129 This Week
    Last Update:
    See Project
  • 15
    FlorisBoard

    FlorisBoard

    An open-source keyboard for Android which respects your privacy

    FlorisBoard is a free and open-source keyboard for Android 7.0+ devices. It aims to be modern, user-friendly, and customizable while fully respecting your privacy. Currently in early beta state.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 16
    USB Gadget Tool

    USB Gadget Tool

    Convert your Android phone to any USB device you like

    Convert your Android phone to any USB device you like. USB Gadget Tool allows you to create and activate USB device roles, like a mouse or a keyboard. Connected USB hosts (e.g. a normal computer) will then identify your Android device only under that role. It can also be used to deactivate the standard USB Gadget (including mtp, adb, etc.), e.g. for security reasons.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 17
    XiaomiFirmwareUpdater

    XiaomiFirmwareUpdater

    Provides you with firmware packages for all Xiaomi devices (Backup)

    The easiest way to get flashable firmware zip files for Xiaomi devices! XiaomiFirmwareUpdater is a script which provides firmware packages for every Xiaomi devices. It's an automated script, running on Linux server every six hours, extracting firmware from MIUI official ROMs, both Global and China, and uploads it to multi-servers. NOTE: SourceForge is our backup host, it's updated every 3 months only! Use our website to get latest updates once it's out. Website: https://xiaomifirmwareupdater.com/ Supported Devices: https://xiaomifirmwareupdater.com/supported/firmware/ XDA Support Thread: https://forum.xda-developers.com/android/software-hacking/devices-xiaomi-firmware-updater-t3741446 Source code: https://github.com/XiaomiFirmwareUpdater/ Telegram Channel: https://t.me/XiaomiFirmwareUpdater
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    Downloads: 118 This Week
    Last Update:
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  • 18
    Simple File Manager

    Simple File Manager

    Easy app for managing your files without ads, respecting your privacy

    Simple File Manager is a super quick & professional file and folder manager for Android devices. Use Simple File Manager to easily compress, transfer & convert media files with a few clicks. It has all of the major file manager & folder management features, including customizing the home folder and selecting favorite folders for quick access. The file manager provides a whole pack of file manager features, including search, navigation, copy & paste, cut, delete, rename, decompress, transfer, download, organize & so on. Add, remove, or edit files, folders & apps according to your personal preferences. With this easy data organizer, you can organize and sort your mobile by various metrics and toggle between ascending and descending or using folder-specific sorting. To get a file or folder path quickly, you can easily select it by long-pressing and copying it into the clipboard.
    Downloads: 5 This Week
    Last Update:
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  • 19
    Olauncher

    Olauncher

    Minimal AF Launcher for Android. Reduce your screen time

    Minimal AF Launcher for Android. Reduce your screen time. Daily wallpapers.
    Downloads: 4 This Week
    Last Update:
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  • 20
    xdroidOSS

    xdroidOSS

    a Android Open Source Project with mnmlistUI additions.

    xdroid is an AOSP-based custom Android ROM which is focusing on simple and minimalism while keeping the smoothness and optimization provided by AOSP.
    Downloads: 28 This Week
    Last Update:
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  • 21
    Logcat Reader

    Logcat Reader

    A simple app for viewing logs on an android device

    Logcat Reader makes it easy to view and save the device logs.
    Downloads: 3 This Week
    Last Update:
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  • 22
    Proton Authenticator for Android

    Proton Authenticator for Android

    Official Android implementation of a modern two-factor authentication

    Proton Authenticator for Android is Proton’s official Android implementation of a modern two-factor authentication (2FA) app, designed to generate secure, time-based one-time passwords (TOTPs) and support multi-account authentication workflows with strong privacy and encryption features. The app enables users to link 2FA tokens for their online accounts, scan QR codes, and generate rotating verification codes that enhance login security across services that support TOTP standards. Built with native Android tooling and following modern design conventions, it integrates with Android’s notifications and system UI while maintaining local encryption of stored secrets so that authentication tokens are never exposed in plaintext outside the device. It also supports backup and encrypted sync with the associated Proton account, helping users recover 2FA codes across devices — a feature that many standalone token generators lack without risking security trade-offs.
    Downloads: 3 This Week
    Last Update:
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  • 23
    Material Files

    Material Files

    Material Design file manager for Android

    An open source Material Design file manager, for Android 5.0+.
    Downloads: 2 This Week
    Last Update:
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  • 24
    Fuel

    Fuel

    The easiest HTTP networking library for Kotlin/Android

    Fuel is the easiest HTTP networking library for Kotlin/Android. We offer maven and jitpack installations. Maven via bintray only has stable releases but jitpack can be used to build any branch, commit and version. Have patience when updating the version of fuel or building for the first time as jitpack will build it, and this may cause the request to jitpack to time out. Wait a few minutes and try again (or check the status on jitpack). Fuel requests can be made on the Fuel namespace object, any FuelManager or using one of the String extension methods. If you specify a callback the call is async, if you don't it's blocking. Fuel and the extension methods use the FuelManager.instance under the hood. You can use this FuelManager to change the default behavior of all requests.
    Downloads: 1 This Week
    Last Update:
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  • 25
    AB Download Manager Linux-arm64

    AB Download Manager Linux-arm64

    AB Download Manager (fork for Linux armv8/arm64/aarch64)

    mirror of https://github.com/petesimon/abdm-linux-arm64
    Downloads: 3 This Week
    Last Update:
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