Open Source Kotlin Internet Software

Kotlin Internet Software

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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
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  • 1
    v2rayNG

    v2rayNG

    A V2Ray client for Android, support Xray core and v2fly core

    A V2Ray client for Android supports Xray core and v2fly core. geoip.dat and geosite.dat files are in Android/data/com.v2ray.ang/files/assets (path may differ on some Android devices). Download feature will get an enhanced version in this repo (Note it need a working proxy). The latest official domain list and ip list can be imported manually. It's possible to use third-party dat files in the same folder, like h2y. Android projects under V2rayNG folder can be compiled directly in Android Studio or using Gradle wrapper. But the v2ray core inside the aar is (probably) outdated. The aar can be compiled from the Golang project under AndroidLibV2rayLite folder. v2rayNG can run on Android Emulators. But VPN mode will not work if the system doesn't support it.
    Downloads: 1,236 This Week
    Last Update:
    See Project
  • 2
    Suwayomi-Server

    Suwayomi-Server

    A rewrite of Tachiyomi for the Desktop

    A free and open source manga reader server that runs extensions built for Tachiyomi. Suwayomi is an independent Tachiyomi compatible software and is not a Fork of Tachiyomi. Suwayomi-Server is as multi-platform as you can get. Any platform that runs java and/or has a modern browser can run it. This includes Windows, Linux, macOS, chrome OS, etc. Follow Downloading and Running the app for installation instructions.
    Downloads: 75 This Week
    Last Update:
    See Project
  • 3
    NekoBox for Android

    NekoBox for Android

    NekoBox for Android / sing-box / universal proxy toolchain for Android

    NekoBoxForAndroid is an Android-based proxy client supporting popular protocols like V2Ray, XRay, and Shadowsocks for secure, privacy-focused internet access. Designed as a modern alternative to applications like V2rayNG, it provides a clean interface, enhanced performance, and robust configuration management for circumventing censorship and accessing restricted content.
    Downloads: 48 This Week
    Last Update:
    See Project
  • 4
    EinkBro

    EinkBro

    A small, fast web browser based on Android WebView

    EinkBro is designed to fit Eink devices' needs; no unnecessary UI transitions and animations, clear B&W icons, and useful features for Eink reading experience. It's originated from FOSS Browser, which is a fully free/libre (as in freedom) Android app.
    Downloads: 31 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • 5
    fanqiang

    fanqiang

    Over the Wall - Science Online

    Over the wall-Scientific Internet, over-the-wall tool, over-the-wall tutorial project library.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 6
    Facebook SDK for Android

    Facebook SDK for Android

    Used to integrate Android apps with Facebook Platform

    This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub. A secure and convenient way for people to log into your app or website by using their Facebook credentials. Enable people to post to Facebook from your app. People can share, send a message, and share to stories. Understand people's actions in your app and measure the effectiveness of your Mobile App Ads. Get data in and out of Facebook's social graph, query data, post stories, upload photos and perform other tasks.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 7
    Kitsunebi

    Kitsunebi

    A fully-featured V2Ray client for Android

    A fully-featured V2Ray client for Android. The Core used by Kitsunebi extends the function of v2ray-core, and adds a strategy of selecting the fastest node according to the node delay value. You can add a node group on the graphical interface to enable it. If you use custom configuration, there are several configuration items, except for tolerance. The delay test is not ICMP Ping or TCP Ping, the method used is roughly the same as that used by the latency strategy in load balancing, actually sends a proxy request to outbound, and records the time it takes to return non-null data. The delay test is also equivalent to the availability or connectivity test. As long as the delay can be measured, it means that the node is available. If it cannot be measured or times out, the availability is unknown.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 8
    SagerNet

    SagerNet

    The universal proxy toolchain for Android

    The universal proxy toolchain for Android, written in Kotlin. To use hysteria plugin with version smaller than 1.2.1, the highest compatible version of SagerNet is 0.8.1-rc02. The new protocol is designed to improve UDP performance and provide full replay protection. Using an MTU larger than the upstream interface will only improve speed in some scenarios and may result in UDP packet loss. According to the gfw.report et al's research, when connecting to the impacted VPSs, GFW is likely to block binary protocols unless it is an HTTP, TLS, or SSH connection, or the first 6 bytes of data sent from client to server can be interpreted as printable characters. This suggests in addition to TLS encryption, HTTP Header, this kind of censorship can also be temporarily evaded by only sending printable characters in the first 6 bytes of data.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 9
    Chucker

    Chucker

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

    Chucker simplifies the inspection of HTTP(S) requests/responses fired by your Android App. Chucker works as an OkHttp Interceptor persisting all those events inside your application, and providing a UI for inspecting and sharing their content. Apps using Chucker will display a notification showing a summary of ongoing HTTP activity. Tapping on the notification launches the full Chucker UI. Apps can optionally suppress the notification, and launch the Chucker UI directly from within their own interface.
    Downloads: 9 This Week
    Last Update:
    See Project
  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    Gradle IntelliJ Plugin

    Gradle IntelliJ Plugin

    Gradle plugin for building plugins for IntelliJ-based IDEs

    The Gradle IntelliJ Plugin is a plugin for the Gradle build system to help configure your environment for building, testing, verifying, and publishing plugins for IntelliJ-based IDEs. The Gradle Wrapper files, and in particular the Gradle-wrapper.properties file, which specifies the version of Gradle to be used to build the plugin. If needed, the IntelliJ IDEA Gradle plugin downloads the version of Gradle specified in this file. The IDE Plugin generator automatically creates the Run Plugin run configuration that can be executed via the Run | Run... action or can be found in the Gradle tool window under the Run Configurations node. To execute the Gradle runIde task directly, open the Gradle tool window and search for the runIde task under the Tasks node. If it's not on the list, hit the re-import button in the toolbar at the top of the Gradle tool window.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 11
    http4k

    http4k

    The Functional toolkit for Kotlin HTTP applications

    http4k is a lightweight but fully-featured HTTP toolkit written in pure Kotlin that enables the serving and consuming of HTTP services in a functional and consistent way. http4k applications are just Kotlin functions. http4k consists of a lightweight core library, http4k-core, providing a base HTTP implementation and Server/Client implementations based on the JDK classes. Further servers, clients, serverless, templating, websockets capabilities are then implemented in add-on modules. http4k apps can be simply mounted into a running Server, Serverless platform, or compiled to GraalVM and run as a super-lightweight binary. Apart the from Kotlin StdLib, http4k-core module has ZERO dependencies and weighs in at ~1mb. Add-on modules only have dependencies required for specific implementation.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 12
    Firefox for Android

    Firefox for Android

    Firefox for Android

    Shortcut the internet with Firefox for Android. See all your open tabs, recent searches and favorite sites all in one place with Firefox browser for Android. Firefox for Android delivers effortless privacy protection with lighting-fast page loads. Enhanced Tracking Protection automatically blocks online trackers from following you around the web and slowing down your pages. Get to Private Browsing Mode with just one tap. And when you close Private Browsing Mode, your browsing history is automatically erased from your device. Got a big phone and normal sized thumbs? No problem. Firefox for Android lets you move the search bar from the top to the bottom making it easier to use with one hand. You can also choose your own search engine within the browser, and set Firefox as your default browser if you want. Switch to Dark Mode any time to reduce eye strain and prolong your battery power.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 13
    Kuroba Experimental

    Kuroba Experimental

    Free and open source image board browser

    KurobaEx is a fast Android app for browsing imageboards, such as 4chan and 8chan. It's a fork of Kuroba. Ability to attach multiple media files to reply, attach media files that were shared by external apps (even by some keyboards), attach remote media files by URL, etc. New image downloader. Allows downloading images while the app is in the background, retrying failed to download images, resolving duplicates, etc.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    Lightning Browser

    Lightning Browser

    A lightweight Android browser with modern navigation

    Lightning is a simple, fast web browser that focuses on design, security, and efficiency. It uses material design, doesn't track you, give you lots of options to protect your privacy. It gets out of the way of the user. I built this browser because I wanted something better. Blocking ads is a core feature of Lightning Browser, meant to improve the speed and security of your browsing experience. Lightning's interface was carefully crafted so you can browse as efficiently as possible. Tabs and Bookmarks are all tucked neatly away in side drawers, only a swipe away, allowing maximum screen viewing with minimal interference from the browser's chrome. Dark Mode, Light Mode, Color Mode, Night Mode, etc. By utilizing the WebKit rendering engine that comes built into your Android device, Lightning can ensure a swift, lightweight experience. Use Incognito Mode to browse without leaving a footprint, download Orbot and turn on TOR proxy support to mask your identify and location.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Elixir plugin for JetBrain's IntelliJ

    Elixir plugin for JetBrain's IntelliJ

    Elixir plugin for JetBrain's IntelliJ Platform (including Rubymine)

    The plugin works both in the rich IDEs that allow alternative language SDK selection and small IDEs that are language specific. The rich IDEs work best for IntelliJ Elixir because only in the rich IDEs can have an Elixir SDK set as the Project SDK. In all small IDEs, the native language SDK is always there, which makes anything that uses the SDK, such as running elixir, erl, or mix more complicated both internally and externally in the configuration you have to setup. The plugin will automatically find the newest version of Elixir installed. (NOTE: SDK detection only works for Linux, homebrew installs on OSX, and Windows. Open an issue with information about Elixir install locations on your operating system and package manager to have SDK detection added for it.) If the automatic detection doesn't find your Elixir SDK or you want to use an older version, manually select select the directory above the bin directory.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    MEGA Android Client

    MEGA Android Client

    MEGA Android App

    A fully-featured client to access your Cloud Storage provided by MEGA.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    OwnTracks for Android

    OwnTracks for Android

    OwnTracks Android App

    OwnTracks allows you to keep track of your own location. You can build your private location diary or share it with your family and friends. OwnTracks is open-source and uses open protocols for communication so you can be sure your data stays secure and private. This is the OwnTracks Android app. See our booklet for details on how to get started with OwnTracks, as well some details about behaviour specific to the Android app.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    Twidere for Android

    Twidere for Android

    Material Design ready and feature rich app for Android

    Material Design ready and feature-rich Twitter/Mastodon/Fanfou app for Android 4.1+. Enjoy Fediverse now.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    Ktlint Gradle

    Ktlint Gradle

    A ktlint gradle plugin

    Provides a convenient wrapper plugin over the ktlint project. This plugin creates convenient tasks in your Gradle project that run ktlint checks or do code auto format. The plugin can be applied to any project, but only activates if that project has the kotlin plugin applied. The assumption being that you would not want to lint code you weren't compiling. This plugin was written using the new API available for the Gradle script Kotlin builds. This API is available in new versions of Gradle. To test KtLint snapshots add following configuration into project build script. This plugin just adds special tasks that can generate IntelliJ IDEA codestyle rules using ktlint. The version of ktlint used by default may change between patch versions of this plugin. If you don't want to inherit these changes then make sure you lock your version.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    SmartCookieWeb

    SmartCookieWeb

    A secure, open source web browser for Android

    An open-source web browser with privacy on by default. Customize and configure the browser to make it your own. You have a right to privacy, which is why SmartCookieWeb does not and will never collect your data or information on your web activity. All browser source code is open-source on GitHub. Fast and light. Completely free and ad-free. Disable images, block JavaScript and change the browser user agent. Customize navbar color, add a secondary navbar and set a homepage background. Allow location access, remove identifying HTTP headers and block HTTP sites. View the source code of a webpage and run JavaScript in the console. Google is the default search engine in SmartCookieWeb, as it's what most people use, but there are 10 other built-in search engines. SmartCookieWeb also never stores any personally identifiable information. SmartCookieWeb doesn't send any data at all to CookieJarApps.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    WAN-Transfer — Easy WebDAV File Share

    WAN-Transfer — Easy WebDAV File Share

    Share local folders online via WebDAV with UI and instant tunneling

    WAN-Transfer is a lightweight WebDAV server with a simple UI that makes it easy to share folders from your PC across your local network — or over the internet using built-in tunnel services. With no setup required, you can expose any local directory via a public WebDAV link and mount it directly in Windows Explorer or any WebDAV client. Choose your tunnel provider (LocalTunnel, Serveo, localhost.run, Cloudflared) and instantly make your server accessible from anywhere — no port forwarding or firewall tweaks needed. The clean interface makes it effortless to configure ports, select directories, and copy access links. Whether you're sharing files with others, setting up remote access, or just testing ideas, WAN-Transfer makes it easy to serve content directly from your machine. Built with modularity in mind, WAN-Transfer is designed to support additional tunnel services and sharing options in future updates.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 22
    ReVanced Extended byIE
    *ReVanced YouTube: v20.13.41 *ReVanced Music: v8.29.56 *ReVanced Music Extended: v8.30.54 *ReVanced MicroG: v0.3.1.8.253850 *ReVanced Reddit (Extended-Extras): v2025.14.0 *ReVanced X (Extended-Extras): v11.24.0 *Extended Patches: cli_v5.0.1-patches_v5.11.1 *ReVanced Patches: cli_v5.0.1-patches_v5.32.0 *X Patches: cli_v4.6.2-patches_piko-v1.59.0 Thank you! ReVanced Team!
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    Sandesh: Find your community

    Sandesh: Find your community

    Home grown, community messaging platform

    Sandesh: Find your community https://play.google.com/store/apps/details?id=com.pranjalstudioplus.sandesh We are thrilled to introduces an exciting new way to connect with your local community and engage in meaningful conversations. Here's what you can expect from this initial release: 1. Discover Local Communities: Find and join communities based on interests, passions, or proximity. 2. Authentic Answers to Local Problems: Get advice, share information, and find solutions from community members who understand local challenges. 3. Real-Time Messaging: Engage in personal chats, exchange ideas, and build relationships with like-minded individuals. 4. Secure and Reliable: Sandesh prioritizes privacy and data security for a trustworthy experience. Sandesh plans to continuously improve and enhance the platform based on user feedback. Future updates will introduce new features, community enhancements. Support: pranjalbarn@gmail.com
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Android components

    Android components

    A collection of Android libraries to build browsers

    A collection of Android libraries to build browsers or browser-like applications. A fully-featured reference browser implementation based on the components can be found in the reference-browser repository. We encourage you to participate in this open source project. We love pull requests, bug reports, ideas, (security) code reviews or any kind of positive contribution.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Foodium

    Foodium

    Foodium is a sample food blog Android application

    Foodium is a sample food blog Android application built to demonstrate the use of Modern Android development tools. Dedicated to all Android Developers. It simply loads Posts data from API and stores it in persistence storage (i.e. SQLite Database). Posts will be always loaded from local database. Remote data (from API) and Local data is always synchronized.
    Downloads: 0 This Week
    Last Update:
    See Project
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