* [Marten V9.30.0](https://github.com/JasperFx/marten) – .NET library providing a transactional document database and ACID-compliant event store on PostgreSQL. * [Rails Event Store v2.19.3](https://github.com/RailsEventStore/rails_event_store) – Library for publishing, consuming, storing, and retrieving events in event-driven architectures.