Solon
A Java enterprise application development framework built from scratch (non-Java EE) that delivers 700% higher concurrency, 50% memory savings, and 10x faster startup compared to Spring-based solutions.
Best When
You need high concurrency Java services and are willing to adopt a non-Spring framework in exchange for significantly better runtime efficiency.
Avoid When
Your team is Spring-native and the migration cost outweighs performance benefits, or you depend on Spring-specific integrations without Solon equivalents.
Use Cases
- • Building high-throughput Java microservices where Spring Boot overhead is a bottleneck
- • Deploying to resource-constrained environments that benefit from smaller package size and lower memory usage
- • GraalVM native image compilation for fast-starting containerized services
- • Migrating performance-critical services away from Spring to reduce infrastructure costs
Not For
- • Teams deeply invested in Spring ecosystem tooling and conventions
- • Projects requiring Java EE specification compliance
- • Developers who need broad third-party Spring Boot starter ecosystem support
Alternatives
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Scores are editorial opinions as of 2026-03-01.