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Distributed actor system with event sourcing for Go:
- event.go - Event, ActorSnapshot, EventStore interface
- eventbus.go - EventBus, EventBroadcaster for pub/sub
- nats_eventbus.go - NATS-backed cross-node event broadcasting
- store/ - InMemoryEventStore (testing), JetStreamEventStore (production)
- cluster/ - Node discovery, leader election, shard distribution
- model/ - EventStorming model types

Extracted from arcadia as open-source infrastructure component.

Co-Authored-By: Claude <noreply@anthropic.com>

2026-01-08 19:30:02 +01:00

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Aether Vision

Distributed actor system with event sourcing for Go, powered by NATS.

Organization Context

This repo is part of Flowmade. See organization manifesto for who we are and what we believe.

What This Is

Aether is an open-source infrastructure library for building distributed, event-sourced systems in Go. It provides:

Event sourcing primitives - Event, EventStore interface, snapshots
Event stores - In-memory (testing) and JetStream (production)
Event bus - Local and NATS-backed pub/sub with namespace isolation
Cluster management - Node discovery, leader election, shard distribution
Namespace isolation - Logical boundaries for multi-scope deployments

Who This Serves

Go developers building distributed systems
Teams implementing event sourcing and CQRS patterns
Projects needing actor-based concurrency with event persistence

Goals

Simple event sourcing - Clear primitives that compose well
NATS-native - Built for JetStream, not bolted on
Horizontal scaling - Consistent hashing, shard migration, leader election
Namespace isolation - Logical boundaries without infrastructure overhead

Non-Goals

Opinionated multi-tenancy (product layer concern)
Domain-specific abstractions (use the primitives)
GraphQL/REST API generation (build on top)
UI components (see iris)

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