surefold

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1. verdict verdict Public

   A Scala 3 rules engine where a rule is data, not a function. Write rules as Scala lambdas read by a macro, or load them from JSON, then evaluate, explain or compile them to SQL.

   Scala 1

2. pelican pelican Public

   Type-safe HTTP for Kotlin on Jetty or Pekko HTTP. Describe an endpoint once, with its declared failures, and get the route, the OpenAPI document, typed clients and MCP tools from it.

   Kotlin

3. surefold surefold Public

   Structured concurrency on virtual threads, without coroutines. Plus checked application graphs, streams, actors and clusters.

   Kotlin

4. petshop petshop Public

   A small Kotlin pet shop service used to try out pelican, lark, proofload, kimney and ExoQuery, with an outbox, Kafka and Avro, and a write-up of whether each library was worth it.

   Kotlin

5. kimney kimney Public

   A K2 compiler plugin that writes the mapping code between Kotlin types (domain to DTO, row to entity) at compile time, or says exactly why it can't. Based on Scala's Chimney.

   Kotlin

6. estate estate Public

   One live page per service, built from the tools you already run (Prometheus, Kubernetes, Flux, GitHub Actions, Datadog and more), with links back to each. Reads, never stores. TypeScript, Effect an…

   TypeScript