Electron
Thousands of organizations spanning all industries use Electron to build cross-platform software. Build cross-platform desktop apps with JavaScript, HTML, and CSS. If you can build a website, you can build a desktop app. Electron is a framework for creating native applications with web technologies like JavaScript, HTML, and CSS. It takes care of the hard parts so you can focus on the core of your application. Electron uses Chromium and Node.js so you can build your app with HTML, CSS, and JavaScript. Electron is an open-source project maintained by the OpenJS Foundation and an active community of contributors. Compatible with Mac, Windows, and Linux, Electron apps build and run on three platforms. To get started with Electron, check out the resources available. Learn how to wrap your web app with Electron, access all the APIs, and generate installers. Also, Electron Fiddle lets you create and play with small Electron experiments.
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Codename One
Codename One is an open-source cross-platform mobile app development framework to build native iOS, Android, Desktop & Web apps with a single Java or Kotlin codebase.
It compiles Java or Kotlin into native code for iOS, Android, UWP (Universal Windows Platform), and even JavaScript (with seamless PWA and Thread support).
It's a complete mobile platform featuring virtual machines, simulator, design tools (visual theme/builder/css), IDE integrations, ports to multiple OS's and much more. It provides full access to the underlying native OS code (e.g. Objective-C, C#, Dalvik/ART) through a portable abstraction which enables 100% code reuse.
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DexGuard
Protecting Android applications and SDKs against reverse engineering and hacking. Android applications and SDKs are easy to decompile using readily available tools. This opens the way for various forms of abuse, including intellectual property theft, credential harvesting, tampering and cloning. DexGuard protects native Android and cross-platform apps and SDKs against reverse engineering and hacking. It hardens apps' code and enables them to defend themselves at runtime. DexGuard is a command-line tool that processes, optimizes and protects Android applications and libraries. It enables you to fully protect your application or SDK without requiring you to share or alter the source code. DexGuard offers built-in support for both native Android (Java, Kotlin) and cross-platform applications (Cordova, Ionic, React Native, Unity). DexGuard’s functionality can be extended with the NDK add-on to process and protect native libraries.
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iXGuard
Hackers can use readily available tools to disassemble and inspect your iOS applications and SDKs and gain insight into their internal logic. This opens the way for various forms of abuse, including intellectual property theft, credential harvesting, tampering and cloning. iXGuard protects native iOS and cross-platform apps and SDKs against reverse engineering and hacking. It hardens apps’ code and enables them to defend themselves at runtime. iXGuard is a command-line tool that processes and protects iOS applications and libraries. It enables you to fully protect your application or SDK without requiring you to share or alter the source code. iXGuard is easy to configure. It can be set up to protect entire applications or specific functions with a single configuration file. iXGuard offers built-in support for both native iOS (Objective-C, Swift) and cross-platform applications (Cordova, Ionic, React Native, Unity).
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