Best Micronaut Framework Alternatives & Competitors in 2025

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Key vert.x features:

Performance Polyglot Modular Reactive Ecosystem

Open Source

Helidon Project, Java libraries crafted for Microservices.

Key helidon features:

Lightweight Microservices Focus Helidon SE and MP Options GraalVM Support

Open Source

Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.

Key IsDown.app features:

Status Dashboard Multiple Profiles for same account Slack App Zapier Integration

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Simple REST APIs for Java and Kotlin.

Key Javalin features:

Lightweight Simplicity Kotlin & Java Support WebSocket Support

Open Source

Spark Framework is a simple and lightweight Java web framework built for rapid development.

Key Spark Framework features:

Ease of Use Lightweight Java 8 Lambda Support Rapid Development

ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.

Key ASP.NET features:

Performance Security Rich Toolbox Cross-Platform Support

Quarkus: Supersonic Subatomic Java. . Contribute to quarkusio/quarkus development by creating an account on GitHub.

Key Quarkus features:

Fast Startup Time Low Memory Footprint Developer Productivity Extensive Extension Ecosystem

A PHP Framework For Web Artisans.

Key Laravel features:

Eloquent ORM Blade Templating Engine Artisan CLI Strong Community and Ecosystem

Open Source

Blazing-fast static site generator for React.

Key GatsbyJS features:

Performance SEO-Friendly Rich Plugin Ecosystem Strong Community Support

Open Source

Ktor is a tough gig developmental platform that comes with the support to build asynchronous servers and clients right in the kotlin.

Key Ktor features:

Asynchronous and Non-blocking Kotlin-first Flexible and Modular Architecture Multi-platform Capabilities

Open Source

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications.

Key Node.js features:

Asynchronous and Event-Driven JavaScript Everywhere Large Community and NPM High Performance

Toolkit for building serverless applications.

Key Serverless features:

Scalability Cost Efficiency Reduced Maintenance Speed of Development

Open Source

The Web framework for perfectionists with deadlines.

Key Django features:

Rapid Development Scalability Security ORM (Object-Relational Mapping)

Open Source

We need to turn tribal knowledge into organisational context.

Key The Slate features:

User-Friendly Interface Comprehensive Content Updated Regularly Engaging Visuals