Free
Free
Open source library with documentation and downloads on zeromq.org.
- Access
- Open source library with documentation and downloads on zeromq.org.
Finding the possibilities
ZeroMQ
● Identity checkedDeveloper Tools · Vendor site 2026-10-04
ZeroMQ is an open source messaging library that provides sockets and concurrency patterns for distributed systems. Developers embed it to move atomic messages over in-process, IPC, TCP, multicast, and WebSocket transports with pub-sub, pipeline, and request-reply topologies.
- Category
- Developer Tools
- Free access
- Open source library with documentation and downloads on zeromq.org.
- API access
- Not confirmed
Is ZeroMQ right for you?
A good fit for
Engineers building low-latency, language-agnostic messaging into applications or clustered products.
Before you choose
The project site documents library usage; it does not offer hosted SaaS pricing or managed cloud tiers.
Messaging library
ZeroMQ.org introduces the embeddable libzmq stack, community resources, and documentation for building fast multiprocess messaging systems.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Library role | Hero subtitle describes ZeroMQ as an open-source universal messaging library. | Facts sourced | 2026-10-04 |
| Patterns | Homepage copy highlights fan-out, pub-sub, task distribution, and request-reply socket patterns. | Facts sourced | 2026-10-04 |
| Transports | Feature grid notes support for in-process, IPC, TCP, UDP, TIPC, multicast, and WebSocket transports. | Facts sourced | 2026-10-04 |
Understand the total cost
ZeroMQ pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is ZeroMQ used for?
ZeroMQ is an open source messaging library that provides sockets and concurrency patterns for distributed systems. Developers embed it to move atomic messages over in-process, IPC, TCP, multicast, and WebSocket transports with pub-sub, pipeline, and request-reply topologies.
Does ZeroMQ have a free plan?
Open source library with documentation and downloads on zeromq.org.. This record lists ongoing free access; check the plan limits before starting.
How much does ZeroMQ cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use ZeroMQ through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
The project site documents library usage; it does not offer hosted SaaS pricing or managed cloud tiers.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.