Best JaVers Alternatives & Competitors in 2025

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

Google core libraries for Java 6+.

Key Guava features:

Comprehensive Collection Utilities Functional Programming Features Enhanced String Manipulation Concurrency Utilities

Open Source

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more.

Key DocRaptor features:

Ease of Use Customizable High-Quality Rendering Compliance

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

RxJava – Reactive Extensions for the JVM is a library for composing asynchronous and event-based programs using observable sequences.

Key RxJava features:

Asynchronous Programming Composability Error Handling Rich Operator Set

Open Source

Java template engine; generates HTML web pages, e-mails, configuration files, source code, etc. from template files and the data your application provides.

Open Source

Application and Data, Languages & Frameworks, and Java Tools.

Open Source

A PHP Framework For Web Artisans.

Key Laravel features:

Eloquent ORM Blade Templating Engine Artisan CLI Strong Community and Ecosystem

Open Source

From Wikipedia, the free encyclopedia.

Key vert.x features:

Performance Polyglot Modular Reactive Ecosystem

Open Source

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

MyBatis is a top-rated SQL-based data mapping solution used by Programmers, Software Engineers, and Database Architects for developing object-oriented software applications.

Key MyBATIS features:

Simplicity Flexibility in SQL Performance Mapping

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

Build modular easily testable microservice & serverless apps.

Key Micronaut Framework features:

High Performance Compile-Time Dependency Injection Kotlin Support Cloud Native

Open Source

Application and Data, Languages & Frameworks, and Java Tools.

Key Lombok features:

Boilerplate Reduction Improved Readability Annotation-based IDE Integration

Open Source

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.

Key Flask features:

Simplicity Flexibility Extensibility Documentation

Open Source