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Spring Boot

Stand-alone, production-grade Spring based applications that you can just run

As of 29 August 2026, Spring Boot is free to use. Spring Boot is an open source Java framework for building production-ready applications, maintained by the Spring Projects organization. Softwr lists it under Web Development.

Overview

What Spring Boot does

Spring Boot is an open source Java framework for building production-ready applications, maintained by the Spring Projects organization.

What people use it for

  • Building microservices and standalone Java applications
  • Rapid application development with embedded servers and production-ready configurations

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Spring Boot.

  • Requires Java 17 as the minimum version for Spring Boot 4.1.0, per docs.spring.io/spring-boot/system-requirements.html (Aug 2026); older Java runtimes are not supported
  • Requires Spring Framework 7.0.8 or above and Gradle 8.14+ or Maven 3.6.3+, per Spring's own system requirements page, so older toolchains must be upgraded first

Cross-shopped

What people choose instead of Spring Boot

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

Is Spring Boot free?

Yes, Spring Boot is free and open-source software. The core framework is available without cost, and users can download and use it immediately.

Source
What commercial support is available for Spring Boot?

While Spring Boot itself is free, VMware offers optional commercial support, training, and certification through Spring Academy. Tanzu Spring provides support and binaries for OpenJDK, Spring, and Apache Tomcat through a subscription model for enterprises requiring guaranteed support.

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Softwr does not host reviews and shows no star rating for Spring Boot, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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