B4X Alternatives [Page 3]

HTML5 Hybrid Mobile App UI Framework - work with Angular, React, Vue, Meteor & pure JavaScript. Material & Flat design.

Open Source

Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

RAD Studio 10.2 with Delphi Linux compiler is the fastest way to write, compile, package and deploy cross-platform native software applications. Learn more.

Build cross platform desktop apps with web technologies

Open Source

5th major revision of the core language of the World Wide Web

A front-end SDK to develop applications with HTML5 , CSS3 and JavaScript.

Open Source

MonoDevelop enables developers to write desktop and web applications on Linux, Windows and Mac OS X.

Open Source

A PHP Framework For Web Artisans

Open Source

An App Inventor 2 spin-off. Formerly called AILiveComplete.

Easily create apps using the web technologies you know and love: HTML, CSS, and JavaScript.

Open Source

Capable and Ergonomic IDE for JVM

Microsoft Silverlight is a robust development tool that comes with a reliable way to create appealing and interactive user experiences for both mobile and web applications.

Android Survey Developer lets you create industry strength mobile surveys for Android, by developing on your Windows desktop