Comparison

NATS vs ZeroMQ

On the evidence we track, NATS leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
NATS75
ZeroMQ60
Score
Vioscale score
NATS75 / 100low · 48%
ZeroMQ60 / 100low · 48%
Pricing
Free tier
NATS
ZeroMQ
Model
Price level
NATSfree
ZeroMQfree
Transparent
NATS
ZeroMQ
Integrations
Count
NATS
ZeroMQ11
Adoption
Dependent repos
NATS24,884
ZeroMQ2,003
Github stars
NATS20,599
ZeroMQ10,972
Package downloads weekly
Activity
Commits last 30d
NATS100
ZeroMQ19
Release
Cadence days
NATS1
ZeroMQ114
History
License
Spdx
Language
Primary
NATSGo
ZeroMQC++
Market
Availability
ZeroMQ

Capabilities

Feature-by-feature on the axes that matter for message queues. “-” means undocumented, not absent.

Core
Messaging paradigm
NATSPub/sub
ZeroMQPub/sub
Correctness
Delivery guarantee
NATS-
ZeroMQ-
Ordering guarantee
NATS-
ZeroMQ-
Durability
Durable replayable log
NATS
ZeroMQ-
Message replay / rewind
NATS
ZeroMQ-
Interop
Wire protocol
NATS-
ZeroMQZMTP/3.1
Kafka-protocol compatible
NATS-
ZeroMQ-
Scale
Partitioned horizontal scaling
NATS
ZeroMQ-
Geo / cross-region replication
NATS-
ZeroMQ-
Consumption
Consumer groups / competing consumers
NATS
ZeroMQ-
Dead-letter queue
NATS-
ZeroMQ-
Deployment
Managed cloud offering exists
NATS-
ZeroMQ
Hosting
NATSSelf-hosted only
ZeroMQSelf-hosted only
Processing
Built-in stream processing
NATS-
ZeroMQ-

What each one is

The product in its own terms, so the numbers below have context.

NATS

Leader

NATS enables components of a distributed software system to send messages to each other. It is an open-source project maintained by the Cloud Native Computing Foundation and can be deployed across cloud environments, on-site servers, edge computing devices, and embedded systems.

Independently observed

ZeroMQ

ZeroMQ is a messaging library that enables asynchronous communication through socket abstractions, supporting multiple communication patterns, message subscriptions, and access to various transport protocols.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

NATS

Leader
Open source
as of verify ↗

ZeroMQ

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Android
NATS
ZeroMQ
macOS
NATS
ZeroMQ
Windows
NATS
ZeroMQ
Linux
NATS
ZeroMQ
CLI
NATS
ZeroMQ
Deployment
Cloud / SaaS
NATS
ZeroMQ
Self-hosted
NATS
ZeroMQ
On-premise
NATS
ZeroMQ

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

NATS

Leader

Not documented yet.

ZeroMQ

11 total
  • Microsoft
  • Samsung
  • AT&T
  • Spotify
  • Facebook
  • Digital Ocean
  • Auth0
  • Bitcoin
  • Jupyter
  • Mongrel2
  • Jina
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.