Best Cross Platform App Dev Tools in 2026

The Universal WebAssembly Runtime.

Key Wasmer features:

Cross-platform Performance Language Agnostic Sandboxing

Open Source

Automated security scanner for LLM APIs — catch prompt injection, data leaks, and tool abuse.

Key PromptBrake features:

Security Tests Supported Providers CI/CD Integration Privacy & Security

Try for free paid Free Trial $49.0 / Monthly (Scout)

• Free Cross-platform app installer powered by Winget, Chocolatey & Homebrew • Profile-based package manager for Windows, macOS and Linux • Automated environment setup across all your devices.

Build cross platform desktop apps with web technologies.

Key Electron features:

Cross-Platform Compatibility Web Technologies Rich Ecosystem Auto-Update Mechanism

Open Source

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

Key PhoneGap features:

Cross-Platform Development Leverages Web Technologies Access to Native APIs Large Plugin Library

Open Source

Sencha equips developers with frameworks, tools and services to help them build amazing web application experiences using HTML5 and JavaScript.

Key Sencha features:

Comprehensive Framework Robust Component Library Cross-Platform Support Performance Optimization

freemium

4D is a relational database management system and IDE.

Key 4D features:

Comprehensive Development Environment Cross-Platform Compatibility Integrated Database Management Strong Community Support

🗣 Build cross-platform apps for Alexa and Google Home.

Key Jovo features:

Cross-Platform Development Open Source Framework Comprehensive Documentation Extensible Architecture

Open Source

Adobe® AIR® runtime enables developers to package the same code into native apps for Windows and Mac OS desktops, iPhone, iPad, Kindle Fire, Nook Tablet & Android. Buy now.

Key Adobe AIR features:

Cross-platform compatibility Rich multimedia capabilities Offline functionality Strong developer community

Qt provides tools to create cross-platform applications.

Real Software and Real Studio are now Xojo.

Key Xojo features:

Cross-Platform Development Rapid Application Development Versatile Language Support Active Community and Support

Integrated software for developing cross-platform applications.

Key WinDev features:

Rapid Application Development Integrated Environment Cross-Platform Development Large Component Library

LiveCode is both an open-source and proprietary cross-platform rapid application development language.

Key Livecode features:

Ease of Use Cross-Platform Development Rapid Prototyping Extensive Libraries

Hire developers from Africa to code for your startup.

Key Andela features:

Global Talent Pool Rigorous Vetting Process Remote Work Expertise Scalability