Top Alternatives to Appcelerator Titanium

Microsoft Visual Studio is a comprehensive Integrated Development Environment (IDE) designed for building a wide range of applications across various platforms. It provides a rich set of tools for coding, debugging, testing, and deploying software.

NetBeans is a free and open-source Integrated Development Environment (IDE) specifically designed for enterprise-level Java development, supporting a wide array of other languages and technologies, including PHP, C++, JavaScript, HTML, and CSS. It provides comprehensive tools for coding, debugging, testing, and deploying applications.

Qt is a powerful cross-platform framework designed for developing native applications with intuitive user interfaces. It enables developers to write code once and deploy it across multiple operating systems including desktop, mobile, and embedded systems. With a focus on productivity and performance, Qt provides a comprehensive set of tools and libraries for building robust and engaging applications.

Android Studio is the official integrated development environment (IDE) for Android app development, providing a comprehensive suite of tools to accelerate development across all Android device types. Built on JetBrains' IntelliJ IDEA, it offers world-class code editing, debugging, performance analysis, and an integrated emulator.

Xcode is Apple's integrated development environment (IDE) for macOS, providing a comprehensive suite of tools for building applications for all Apple platforms, including macOS, iOS, watchOS, and tvOS. It offers powerful features like code completion, debugging tools, and a visual interface builder.

PhoneGap, powered by Apache Cordova, is a popular open-source mobile development framework enabling developers to build cross-platform mobile applications using standard web technologies like HTML, CSS, and JavaScript.

Adobe AIR is a powerful cross-platform runtime environment enabling developers to create applications for desktop and mobile using established web technologies like HTML, CSS, JavaScript, and ActionScript. It provides a consistent layer to deploy applications across Windows, macOS, Android, and iOS.

Qt Creator is a powerful, cross-platform Integrated Development Environment (IDE) tailored for building applications with the Qt framework. It supports C++, QML, and JavaScript, offering a comprehensive suite of tools for designing UIs, writing code, debugging, and deploying software across various platforms.

Apache Cordova is an open-source mobile application development framework that allows developers to build cross-platform mobile apps using standard web technologies like HTML, CSS, and JavaScript. It acts as a wrapper around web content, providing access to native device features through plugins, enabling the deployment of a single codebase across multiple mobile platforms like Android and iOS.

B4X is a comprehensive suite of rapid application development IDEs designed for creating native, multi-platform applications for iOS, Android, Windows, Mac, Linux, and the web. It simplifies the development process by providing intuitive visual designers, a powerful language similar to Visual Basic, and access to native libraries without requiring complex native code.

NW.js is an open-source framework that allows developers to build desktop applications using familiar web technologies like HTML, CSS, and JavaScript, powered by Node.js and Chromium.

Ionic Framework is an open-source UI toolkit for building high-quality, cross-platform mobile, desktop, and web applications from a single codebase. leveraging web technologies.

jQuery Mobile is a comprehensive HTML5-based user interface system designed to make responsive websites and apps that are accessible on all smartphone, tablet, and desktop devices.