What more than one stx library needs and nothing else: pages, coroutine primitives, the shared JSON and CloseGuard

The Ktor foundation the stx plugins are built on — the resource-lifecycle idiom, and one CORS policy shared with Spring

The MongoDB coroutine driver made reusable: a codec registry, session-aware CRUD, a cursor-paged find and GridFS

Hibernate Reactive over the Vert.x Postgres client — JPA mapping and a typed Criteria API with no thread parked on a query

Logs and traces for a Kotlin coroutine service: the current span is a CoroutineContext element, an event is a @Serializable type, and export is a background drain

Redis over Lettuce's coroutine commands — values, keys, scans and locks, without wrapping the protocol again

GraphQL for a Kotlin coroutine service: annotations, kotlinx.serialization, suspending execution over graphql-java

Message catalogues loaded once at startup, with ICU formatting, per-key fallback and Accept-Language negotiation

Schema migrations written in Kotlin: a version, a ledger and a lock, with no store in this module

Compensable workflows in Kotlin: a DSL of steps, a compensation per step, and state checkpointed after each one

AMQP over the RabbitMQ client, made suspending — publishing, consuming, and the confirm and ack rules