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What is Javalin?

In Javalin, classes are rarely extended, and interfaces are seldom implemented, reflecting the framework's minimalist approach. Built upon Jetty, Javalin comprises only a few thousand lines of code, which enables it to achieve performance levels comparable to Jetty's native implementation. Its concise codebase facilitates an easy understanding of the source material for developers. Unlike numerous other web frameworks in Java and Kotlin, which typically offer distinct versions for each language, Javalin is designed for seamless interoperability, allowing developers to create applications in a consistent manner across both Java and Kotlin. Operating on Jetty—one of the most trusted and widely used web servers for the JVM—Javalin provides extensive configuration options, including support for SSL, HTTP/3, and all the features inherent to Jetty. Additionally, while many lightweight web frameworks in Java and Kotlin often lack OpenAPI support, Javalin incorporates this capability, making it a more flexible choice for developers. This unique combination of features positions Javalin as an exceptional option for efficiently building contemporary web applications that can easily adapt to various requirements.

What is Echo?

This web framework for Go is designed with a focus on efficiency and minimalism, boasting an extensible architecture that emphasizes performance. Its HTTP router is engineered for rapid processing with zero dynamic memory allocation, ensuring intelligent route handling. Developers can easily construct robust and scalable RESTful APIs, organizing them into manageable groups for better structure. Security is made straightforward through automatic TLS certificate management via Let's Encrypt, enhancing the safety of applications. With built-in support for HTTP/2, the framework optimizes both speed and user experience significantly. It comes equipped with a variety of built-in middleware options and allows the creation of custom middleware applicable at the root, group, or individual route levels. The framework also excels in data binding for multiple HTTP request payload formats, such as JSON, XML, or form data. Additionally, it offers a comprehensive API for delivering diverse HTTP responses, accommodating formats like JSON, XML, HTML, files, attachments, inline data, streams, or blobs. Template rendering capabilities are flexible, supporting any chosen template engine, along with a centralized and customizable HTTP error handling system. The API's design prioritizes ease of extension, making it adaptable for various applications and scenarios. Overall, this framework emerges as a formidable resource for developers aiming to create efficient web applications, while its extensive features ensure a comprehensive development experience.

Media

Media

Integrations Supported

Java
Kotlin

Integrations Supported

Go
HTML
JSON
Let's Encrypt
Velozity
XML

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

Free
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Javalin

Company Website

javalin.io

Company Facts

Organization Name

Echo

Company Website

echo.labstack.com

Categories and Features

Microframeworks

Not specified

Categories and Features

Microframeworks

Not specified

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