Sayiir – A simple durable workflow engine (Rust core, Python/Node.js)
Checkpoint-based recovery beats determinism constraints; embed without separate server, unlike Temporal/Airflow.

Continuation-passing durability with live/batch switching, but LangGraph and Temporal already own this space.
Rust developers building AI agent systems or workflow orchestration
Temporal · LangGraph · Prefect
Checkpoint-based recovery beats determinism constraints; embed without separate server, unlike Temporal/Airflow.
Temporal's durability guarantees in one Rust binary — no Cassandra cluster required.
Tower-style middleware stacking for inference guardrails beats bolted-on if-statements.
Impressive Rust substrate layer, but crate collection without proof of integration or adoption.
LangGraph patterns in Rust with type safety, 300 stars and real production examples.
Zero-dependency Rust crate for QALY and ICER calculations with reproducible randomness.