Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Synadia
- Pricing
- Open source — Free
- Free tier
- Yes
- Platforms
- Self Hosted, Api
- Best for
- Developers, Platform Teams
- Editor rating
- 4.6 / 5
- Founded
- 2015
- Headquarters
- Los Angeles, USA
What is NATS?
NATS is a data pipelines tool from Synadia. An open-source, high-performance messaging system for cloud-native and edge applications, with subjects, request-reply and the JetStream persistence layer.
NATS uses open source pricing and offers a free tier you can start on without a credit card. Free.
It's best suited to developers, platform teams and runs on Self Hosted, Api.
Standout strengths include very lightweight and fast, edge and iot friendly, jetstream for persistence. Worth weighing: smaller ecosystem than kafka, different semantics from queues.
NATS pricing
Pros
- Very lightweight and fast
- Edge and IoT friendly
- JetStream for persistence
Cons
- Smaller ecosystem than Kafka
- Different semantics from queues
NATS vs alternatives
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Frequently asked questions
What is NATS?
An open-source, high-performance messaging system for cloud-native and edge applications, with subjects, request-reply and the JetStream persistence layer.
How much does NATS cost?
NATS is open-source-priced. It has a free tier.
Does NATS have a free trial?
NATS offers a free tier rather than a time-limited trial.
What platforms does NATS support?
NATS is available on Self Hosted, Api.