mangoo I/O – A Modern, High-Performance Full-Stack Java Web Framework

mangoo I/O is a modern, intuitive, lightweight, and high-performance full-stack Java web framework designed for developers who value speed and simplicity.

Built on a Robust Foundation

At its core, mangoo I/O follows the classic MVC architecture, powered by the highly efficient Undertow web server from JBoss. Instead of reinventing the wheel, it leverages standard, production-ready Java libraries, ensuring reliability, maintainability, and top-tier performance—without any unnecessary complexity or "magic."

Performance & Code Quality

To maintain code quality and performance, each build undergoes rigorous testing:

• Static Code Analysis – Continuously validated against SonarQube with a comprehensive rule set of 1,300+ checks.

Developer-Friendly & Easy to Learn

mangoo I/O is designed with developers in mind, offering:

✅ A fluent and intuitive API
✅ A minimal learning curve for Java developers
✅ A lightweight yet powerful feature set

With mangoo I/O, you get a framework that prioritizes developer experience, efficiency, and high performance—making it an excellent choice for modern Java web development.

Key Features

mangoo I/O offers a rich set of features designed for simplicity, scalability, and high performance:

🚀 Developer Productivity

• Convention-over-configuration for intuitive development
• Hot-compiling development mode for instant feedback
• Straightforward persistence integration with popular data stores
• Easy-to-use template engine for dynamic content rendering

⚡ High Performance & Scalability

• Share-nothing, stateless architecture for effortless scaling
• Built-in caching for optimized performance
• Asynchronous email handling for efficient processing
• Event-driven architecture with a built-in EventBus

🔒 Security & Reliability

• Strong cryptography with enforced security practices
• Built-in authentication for user access control
• Simplified form handling & validation with clear APIs
• Flexible request filtering (global or per-request)

🌐 Modern Web & API Support

• First-class JSON handling for seamless API integration
• Server-Sent Events (SSE) support for real-time communication
• Programmatic routing configuration for flexibility
• Asset minification for optimized frontend performance

🛠 Tooling & Deployment

• Built-in scheduling for recurring tasks
• Flexible testing tools for robust applications
• Simple deployment & CI/CD integration
• Administrative interface for app monitoring and management
• i18N internationalization for multilingual support

And much more... 🚀

Libraries

Here are some used libraries and their purpose in mangoo I/O.

• Maven – Dependency management, built-system, packaging
• Undertow – Web Server
• MongoDB – Persistence
• Google Guice – Dependency injection
• Classgraph – Classpath scanning
• Caffeine – Caching
• Log4j – Logging
• Freemarker – Template engine
• Jackson – JSON handling
• JUnit, Mockito – Testing
• Bouncy Castle – Strong hashing and cryptography
• And many more …

By the numbers

• 1.394 Sonar rules
• 7.419 Lines of core code
• 4.897 Commits
• 932 Unit tests
• 10+ years development maturity
• 223 cups of coffee (estimated)

Resources

Homepage
https://github.com/svenkubiak/mangooio

Documentation
https://svenkubiak.github.io/mangooio

Changelog
https://svenkubiak.github.io/mangooio/changelog/

Migrations
https://svenkubiak.github.io/mangooio/migrations/

Support
https://github.com/svenkubiak/mangooio/issues

Contact
Security, Support, etc.: sk@svenkubiak.de