alternatives to

AWS Step Functions

Managed state-machine service for coordinating AWS services into workflows. A closed product from Amazon.

Conductor and Temporal. 2 alternatives to AWS Step Functions, in Java, Go. Compare fit, licence, stars and the latest signed release.

Side by side

2 open source alternatives to AWS Step Functions
ToolFitStarsLicenceTermsSelf-hostedLanguageLatestLast push
ConductorPartial32kApache-2.0Open sourceYesJavav3.32.52026-10-18
TemporalPartial24kMITOpen sourceYesGov1.32.12026-10-19

Every alternative

Language
Licence
Deploy with

2 alternatives

ConductorPartial

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

JSON workflow definitions with retries and human tasks, hosted by you.

Language
Java
Licence
Apache-2.0
Stars
32k
Latest
v3.32.5
Last push
2026-10-18
TemporalPartial

Temporal service

Durable workflows written in code rather than state-machine JSON, hosted by you or in Temporal Cloud.

Language
Go
Licence
MIT
Stars
24k
Latest
v1.32.1
Last push
2026-10-19

Head to head

About AWS Step Functions

Vendor
Amazon

AWS Step Functions website ↗