{"id":"solon","name":"Solon","homepage":"https://solon.noear.org","repo_url":"https://github.com/opensolon/solon","category":"frameworks","subcategories":["java","web-framework","enterprise"],"tags":["java","framework","spring-alternative","graalvm","high-performance","microservices"],"what_it_does":"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.","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"],"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.","alternatives":["Spring Boot","Quarkus","Micronaut","Helidon"],"af_score":55.0,"security_score":50.0,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":"latest","last_evaluated":"2026-03-01T09:50:06.236482+00:00","performance":{"latency_p50_ms":null,"latency_p99_ms":null,"uptime_sla_percent":null,"rate_limits":null,"data_source":"llm_estimated","measured_on":null}}