compare
ElasticMQ vs NATS
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | ElasticMQ | NATS |
|---|---|---|
| Language | Scala | Go |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 2.9k | 21k |
| Latest | v1.7.1 | v2.15.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 4 days between releases | too few releases |
| Active contributors | 4 commit authors on the default branch in the last 90 days | 33+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Amazon SQS. Alternatives to Amazon SQS →
Drop-inElasticMQImplements the SQS API, so the AWS SDKs and CLI only need to point at its endpoint.
PartialNATSWork queues on JetStream streams, through its own protocol and clients.
ElasticMQ
- v1.7.12026-04-05UI: add Vitest test suite and run in CI (#1209) @micossow
- v1.7.02026-04-04New UI (#1205) has been published with this version. Run the docker-compose.yaml to check it out!
- v1.7.0-rc22026-04-04Update pekko-actor, pekko-slf4j, ... to 1.5.0 (#1204) @softwaremill-ci
- v1.7.0-rc12026-03-29Update typesafe:config to 1.4.6 (#1197) @softwaremill-ci
- v1.6.162026-02-16Wrap message content into case class to better control its logging (#1193) @micossow
NATS
- v2.14.8-RC.22026-10-06Release v2.14.8-RC.2pre-release
- v2.15.1-RC.22026-10-06Release v2.15.1-RC.2pre-release
- v2.14.8-RC.12026-09-28Release v2.14.8-RC.1pre-release
- v2.15.1-RC.12026-09-28Release v2.15.1-RC.1pre-release
- v2.15.02026-09-17Release v2.15.0
ElasticMQ
✓ signed The latest release, v1.7.1, carries a signature GitHub verified.
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NATS
✓ signed The latest release, v2.15.0, carries a signature GitHub verified.
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