* [Rails Event Store v3.1.0](https://github.com/RailsEventStore/rails_event_store) – Library for publishing, consuming, storing, and retrieving events in event-driven architectures.

* [Marten 9.26.0](https://github.com/JasperFx/marten) – .NET library providing a transactional document database and ACID-compliant event store on PostgreSQL.

* [Watermill v1.5.3](https://github.com/ThreeDotsLabs/watermill) – Go library for efficiently working with message streams and building event-driven applications.

* [eventually v0.4.3](https://github.com/get-eventually/go-eventually) – Library providing Domain-driven Design abstractions and components for implementing Event Sourcing and CQRS in Go.

* [eGo publisher/websocket/...](https://github.com/Tochemey/ego) – Minimal Go library for event sourcing and CQRS with Protocol Buffers-defined commands, events, and states.