Stratum - a pure JVM columnar SQL engine using the Java Vector API
Java Vector API beats DuckDB on 35/46 queries; O(1) table branching via structural sharing.

Nine years of polish, 2M monthly downloads—but Java web frameworks are a solved category with Spring dominance.
Java/Kotlin backend developers building REST APIs and web applications, teams migrating from older frameworks
Spring Boot · Micronaut · Ktor
Java Vector API beats DuckDB on 35/46 queries; O(1) table branching via structural sharing.
Cargo for Kotlin/Native: no DSL, content-addressed cache, deterministic builds, ships today.
Line-frequency profiling beats coverage tools; live Vue.js UI without server overhead.
Eclipse decompiler plugin with automated updates when other plugins exist.
Swap decompiler engines on the fly when IntelliJ's built-in viewer fails.
On-device Android debugging without ADB by hijacking JDWP over local sockets.