A Kubernetes-native Java framework for building cloud-friendly apps with fast startup, supporting both JVM and native-image builds.
16K+3 this week3.4KJavaApache-2.0Updated 13 hours ago
2 alternatives
2 best open-source alternatives to Spring Boot (2026)
Looking for a free, open-source alternative to Spring Boot? These 2 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| quarkusio/quarkus | ★ 16K | Apache-2.0 | 13 hours ago |
| opensolon/solon | ★ 2.8K | Apache-2.0 | 22 days ago |
Solon is a Java application framework for building enterprise services, positioned as a lighter alternative to Spring with no Servlet or Spring dependency.
2.8K+4 this week286JavaApache-2.0Updated 22 days ago
FAQ
- Is there a free, open-source alternative to Spring Boot?
- Yes. The most popular open-source alternatives to Spring Boot on Repolode are quarkus, solon.
- Which Spring Boot alternative should I choose?
- quarkus has the most GitHub stars and is released under Apache-2.0. Compare the license and last commit of each option in the table above before choosing.
How this list is made: AI reads each project's documentation to match it with products it can replace, every project passes our quality screening, and the list is ranked by GitHub stars. Stars updated Nov 6, 2026. How Repolode works