Open Source Kotlin Internet Software
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Kotlin Internet Software
View 9068 business solutionsBrowse free open source Kotlin Internet Software and projects below. Use the toggles on the left to filter open source Kotlin Internet Software by OS, license, language, programming language, and project status.
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Build Agents and Models on One PlatformGemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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Train ML Models With SQL You Already KnowBuild and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
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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 But the v2ray core inside the aar is (probably) outdated.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. -
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TG WS Proxy Android
Android local MTProto proxy server to bypass Telegram loading issues
TG WS Proxy Android is an Android-based local MTProto proxy application designed to improve Telegram connectivity and bypass network restrictions using secure WebSocket connections. Built as a fork of Flowseal’s tg-ws-proxy project, the app routes Telegram traffic through Cloudflare WebSocket tunnels or directly to Telegram data centers for improved stability and performance. The application runs a local MTProto proxy powered by a native Go engine and integrates directly with compatible Telegram clients for quick setup. Designed with a modern Material 3 interface and Jetpack Compose, it provides an intuitive user experience alongside advanced networking features. TG WS Proxy Android also includes background service support, real-time connection logs, automatic updates, and customizable themes for better usability on mobile devices. -
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Clash Meta for Android
A rule-based tunnel for Android
Clash Meta for Android is an Android application that functions as a rule-based network tunneling and proxy management tool, enabling users to control how their internet traffic is routed through different proxy servers. Built on the Clash.Meta core, it allows advanced routing based on customizable rules, making it possible to selectively direct traffic for specific apps, domains, or regions. The application is commonly used for bypassing network restrictions, optimizing routing performance, and managing multiple proxy configurations in a unified interface. It provides a user-friendly mobile interface while maintaining powerful underlying functionality for advanced users who need granular control over network behavior. The project is actively maintained and integrates updates from the Clash.Meta kernel, ensuring compatibility with evolving proxy protocols and features. It supports various proxy types and configurations, making it highly flexible for different networking scenarios. -
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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. -
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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WG Tunnel APK
FOSS WireGuard & AmneziaWG Android client with auto-tunneling
WG Tunnel is a free and open-source Android VPN client designed for WireGuard and AmneziaWG connections. It extends the capabilities of the official WireGuard app by adding advanced privacy, automation, and network management features. The application supports automatic tunnel activation based on network conditions, helping users maintain secure connections without manual intervention. WG Tunnel includes tools such as split tunneling, lockdown mode, and local proxy support to provide greater control over network traffic. Built for both smartphones and Android TV devices, it delivers a flexible and user-friendly VPN experience. Its focus on privacy, censorship resistance, and customization makes it a powerful solution for secure internet access. -
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AmneziaWG for Android
Android GUI for AmneziaWG
AmneziaWG for Android is the Android graphical client for AmneziaWG. It provides a mobile interface for using the AmneziaWG protocol on Android devices. The project is built around a native Android codebase using Kotlin and Java. It includes the tunnel and UI components needed to manage AmneziaWG connections from a phone or tablet. The repository supports building from source with Gradle and submodules, which makes it useful for developers who want to inspect, customize, or package the client themselves. It is best suited for users and maintainers who need an Android-facing companion to the AmneziaWG protocol rather than a general-purpose VPN framework. -
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WG Tunnel Desktop
A WireGuard and AmneziaWG client for desktop with a kill switch.
WG Tunnel Desktop is a free and open-source desktop client for managing WireGuard and AmneziaWG VPN tunnel configurations. It is designed for users who want a flexible desktop VPN tool with strong privacy controls and support for modern tunneling protocols. The application supports Windows and Linux, with macOS support planned for the future. WG Tunnel Desktop runs tunnels through a system daemon, allowing VPN connections to operate independently from the graphical interface. It includes security-focused tools such as an independent lockdown mode, encrypted configuration storage, and tunnel restoration on boot. With import, export, editing, sorting, and live statistics features, WG Tunnel Desktop provides a practical way to manage secure VPN connections on desktop systems. -
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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. -
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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. -
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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. -
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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. -
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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. -
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fanqiang
Over the Wall - Science Online
Over the wall-Scientific Internet, over-the-wall tool, over-the-wall tutorial project library. -
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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. -
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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. -
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HTTP Shortcuts for Android
Android app to create home screen shortcuts
A simple Android app that allows you to create shortcuts that can be placed on your home screen. Each shortcut, when clicked, triggers an HTTP request, with the possibility to process and display the response in various ways. Run arbitrary JavaScript before & after execution, which allows for lots of customization with features such as compute values such as timestamps, random numbers, UUIDs, hashes, HMACs, base64, etc. Parse JSON or XML and extract data from them. Show toast message or message dialogs. Vibrate or play notification sounds. Trigger other shortcuts to chain multiple HTTP requests. Interact with other devices and services by sending TCP or UDP packets, MQTT messages or using Wake-on-LAN. -
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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. -
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Tusky
An Android client for the microblogging server Mastodon
Tusky is a lightweight client for Mastodon, a free and open-source social network server. It supports all Mastodon features, like photos, videos, lists, and custom emojis, and is designed according to material guidelines. You can choose between a dark, a light and a black theme in Tusky. It has notifications and a draft feature. Tusky is free and open source software licensed under the GPL-3.0. -
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Android GUI for WireGuard
Android GUI for WireGuard
Android GUI for WireGuard is the official Android client for the WireGuard VPN protocol, providing a secure and efficient mobile interface for managing encrypted tunnels. The application is written primarily in Kotlin and integrates closely with Android’s VPN framework to deliver stable, battery-efficient connections. It allows users to create, import, and manage tunnel configurations through a clean graphical interface while maintaining WireGuard’s minimalist cryptographic design. The client supports QR code import and seamless switching between multiple tunnels, making it practical for both personal and enterprise use cases. Because WireGuard emphasizes a small and auditable codebase, the Android implementation inherits strong security properties alongside excellent performance. Overall, wireguard-android is intended for Android users and mobile administrators who need a fast, modern VPN client with straightforward configuration. -
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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. -
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SNI Cloudflare MASQUE All Countries
Value Added Warp over WebSocket via CDN Tunnel
UDP Over SSL Tunnel UDP Over SSL Tunnel is a free SSL tool with SNI Host (Spoof Host) support ( SSL Injector ). Warp-over-WebSocket-CDN Bypass ISP throttling and DPI by tunneling Cloudflare Warp traffic over WebSocket with Host Header spoofing through major CDN networks (CloudFront / Cloudflare / Akamai). Platform Protocol Tunnel License What It Does Many ISPs throttle or block VPN traffic using Deep Packet Inspection (DPI). Warp-over-WebSocket-CDN wraps WireGuard UDP inside a WebSocket connection with a spoofed Host header, routing traffic through major CDN edge networks (CloudFront, Cloudflare, or Akamai). To any firewall or DPI system, the traffic looks like a legitimate WebSocket upgrade to a CDN-hosted domain. Result: Full Cloudflare Warp speed and privacy, even on heavily restricted networks — including campus, corporate, and ISP-level DPI systems. -
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tls SNI injector + VPNGate Free Server
Value Added VPN 4G ssl/tls sni VPNGate CN/RU/JP/UK..
Sibling project https://sourceforge.net/projects/tls-sni-injector-cloudflare/ UDP Over SSL Tunnel UDP Over SSL Tunnel is a free SSL tool with SNI Host (Spoof Host) support ( SSL Injector ). VPN client 4G ssl/tls sni + SoftEther + VPNGate CN/RU/JP/UK.. 🚀 Free VPNGate + SNI Customization 🛡️ One of the most powerful censorship bypass tools ever shared 🌍 Works globally — optimized for Vietnam, Iran, and more 💡 Try it today and experience real freedom! This VPNGate server setup is shared for educational and testing purposes only. Learn how SNI customization and meek proxy affect network censorship bypassing. 🧪 Try it on real-world networks to understand circumvention strategies. Buy +84-387554874 @Whatsapp This project use some open source components 🔧 Máy chủ VPNGate miễn phí có hỗ trợ SNI tùy chỉnh ✅ Dùng để vượt tường lửa, kiểm duyệt mạng ⚙️ Cấu hình chuyên nghiệp, phù hợp với kỹ thuật viên và người yêu công nghệ 📡 Không cần root, không quảng cáo, -
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MEGA Android Client
MEGA Android App
A fully-featured client to access your Cloud Storage provided by MEGA. -
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McImage
Auto Check big images and compress images in building
Android Gradle Plugin. Auto Check big images and compress images in building. McImage is a Non-invasive plugin for compressing all res in your project. Version 1.0.1 now supports all build.gradle version! Already supports mavenCentral. Compress all png and jpg, every img can save %70 in size. It is possible to convert imgages to webp (after v0.0.3 support) Auto match the system which you build your project. Support includes Linux, Mac OS X and Windows (after v0.0.4 support) Use this plugin only if you need one line code. -
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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.