# riker-rs/riker

Easily build efficient, highly concurrent and resilient applications. An Actor Framework for Rust.

Repository: https://github.com/riker-rs/riker
Canonical: https://ross.abutalabs.com/products/riker
Homepage: https://riker.rs
Language: Rust
License: MIT
License Family: permissive
Topics: actors, actor-model, async, resilient, event-sourcing, cqrs
Last push: 2024-01-20T14:47:47+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 2978, "days_push": 956, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1070, forks 64 (observed 2026-08-28T04:03:28.050937+00:00)

## What it is
Riker is an Actor Model framework for Rust for building concurrent, resilient applications with actor supervision, pub/sub messaging, and event sourcing/CQRS support. It is modular, has a low memory footprint, and runs on resource-limited hardware.

## Use cases
- build concurrent applications in Rust with the actor model
- implement fault-tolerant systems with actor supervision
- build event-sourced CQRS applications
- run actors on resource-limited hardware like single-board computers
- schedule and publish/subscribe messages between actors
- run Rust futures alongside long-lived stateful actors

## When to choose
- you want Akka-style actor concurrency in Rust
- you need supervision hierarchies for failure isolation and recovery
- you want event sourcing and CQRS with a low memory footprint
- you prefer no unsafe code and no GC/VM overhead

## When to avoid
- you need clustering or remote actors today - it is still on the roadmap
- you want a heavily maintained, actively developed framework
- you only need short-lived stateless workloads - plain futures/async may suffice

## Facets
- artifact type: framework
- maturity: maintenance
- function: concurrency, message-queue, workflow-automation, logging, scheduling
- domain: microservices, developer-tools, iot
- platform: rust, windows, cross-platform, embedded
- tags: actor-model, actor-framework, event-sourcing, cqrs, supervision, pub-sub, akka-inspired, linux, macos

## Member repositories
- riker-rs/riker (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:28.050937+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:54:08.568110+00:00, confidence not recorded.
  - readme: https://github.com/riker-rs/riker (fetched 2026-08-28T04:03:28.050937+00:00, sha cd96ec6b3c60)
  - homepage: https://riker.rs (fetched 2026-08-29T12:56:20.274590+00:00, sha eeeb684f53f2)
  - registry_crates: https://crates.io/api/v1/crates/riker (fetched 2026-08-29T12:56:20.286781+00:00, sha 858308baa33a)
  - site_page: https://riker.rs/faq (fetched 2026-08-29T12:56:20.284109+00:00, sha 5944e29903be)
- Data as of 2026-08-30T08:39:29.467469+00:00.