# Confluent Cloud vs ZeroMQ

**Leader by Vioscale score:** Confluent Cloud

| Attribute | Confluent Cloud | ZeroMQ |
|---|---|---|
| **Vioscale score** | 90.5 (72% (medium)) | 59.6 (48% (low)) |
| activity.commits_last_30d | - | 19 |
| adoption.dependent_repos | - | 2,003 |
| adoption.github_stars | - | 10,972 |
| adoption.package_downloads_weekly | - | 25,005,888 |
| deployment.options | `{"cloud":true,"hybrid":true}` | `{"self_hosted":true}` |
| description.long | Confluent Cloud is a fully managed Apache Kafka service enabling organizations to stream high-volume, low-latency events between systems in real-time. It eliminates operational overhead through automatic scaling, multi-region replication, and costs significantly less than self-managed Kafka deployments. | ZeroMQ is a messaging library that enables asynchronous communication through socket abstractions, supporting multiple communication patterns, message subscriptions, and access to various transport protocols. |
| features.capabilities | `{"hosting":"cloud","ordering":"per_partition","paradigm":"pubsub","protocol":"Kafka protocol, REST API","message_replay":true,"persistent_log":true,"consumer_groups":true,"geo_replication":true,"kafka_compatible":true,"managed_offering":true,"stream_processing":true,"horizontal_scaling":true}` | `{"hosting":"self","paradigm":"pubsub","protocol":"ZMTP/3.1","managed_offering":false}` |
| integrations.count | 130 | 11 |
| integrations.list | `[{"name":"Salesforce"},{"name":"Google Ads"},{"name":"Google Analytics"},{"name":"Hotjar"},{"name":"Quickbooks"},{"name":"MySQL"},{"name":"Apache Flink"},{"name":"Schema Registry"},{"name":"Apache Iceberg"},{"name":"Delta Lake"}]` | `[{"name":"Microsoft"},{"name":"Samsung"},{"name":"AT&T"},{"name":"Spotify"},{"name":"Facebook"},{"name":"Digital Ocean"},{"name":"Auth0"},{"name":"Bitcoin"},{"name":"Jupyter"},{"name":"Mongrel2"},{"name":"Jina"}]` |
| language.primary | - | C++ |
| license.spdx | - | MPL-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"mac":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"usage","plans":[{"free":true,"name":"Basic","summary":"Free tier with $400 credit for 30 days","description":"Getting started with data streaming","contactSales":false},{"free":false,"name":"Standard","summary":"Pay-as-you-go","features":["infinite storage","audit logs","20%+ throughput savings"],"description":"Production-ready data streaming with advanced features","contactSales":false},{"free":false,"name":"Enterprise","summary":"Pay-as-you-go","features":["private networking","autoscaling to GBps+ throughput","32%+ throughput savings"],"description":"Mission-critical workloads with maximum scale and security","contactSales":false}],"summary":"Usage-based pay-as-you-go pricing with free tier option","currency":"USD","freeTier":true,"sourceUrl":"https://www.confluent.io/fr-fr/pricing/cost-estimator/","retrievedAt":"2026-08-14T08:33:56.886Z","freeTrialDays":30,"billingPeriods":["month"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://zeromq.org","retrievedAt":"2026-08-14T11:07:53.298Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 114 |
| release.history | - | `[{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.3.5","date":"2023-10-09T11:17:14Z","type":"stable","version":"v4.3.5"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.3.4","date":"2021-01-17T13:23:31Z","type":"stable","version":"v4.3.4"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.3.3","date":"2020-09-07T16:26:42Z","type":"stable","version":"v4.3.3"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.3.2","date":"2019-07-08T16:22:37Z","type":"stable","version":"v4.3.2"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.3.1","date":"2019-01-12T16:21:50Z","type":"stable","version":"v4.3.1"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.3.0","date":"2018-11-28T20:16:09Z","type":"stable","version":"v4.3.0"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.5","date":"2018-03-23T19:37:59Z","type":"stable","version":"v4.2.5"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.4","date":"2018-03-21T16:03:32Z","type":"stable","version":"v4.2.4"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.3","date":"2017-12-13T13:41:38Z","type":"stable","version":"v4.2.3"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.2","date":"2017-02-18T18:09:59Z","type":"stable","version":"v4.2.2"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.1","date":"2016-12-31T15:30:03Z","type":"stable","version":"v4.2.1"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.0","date":"2016-11-04T10:33:51Z","type":"stable","version":"v4.2.0"},{"url":"https://github.com/zeromq/libzmq/releases/tag/v4.2.0-rc1","date":"2016-11-01T15:31:54Z","type":"prerelease","version":"v4.2.0-rc1"}]` |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 5.7 |
| security.soc2 | yes | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=zeromq&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Message Queues)

| Capability | Confluent Cloud | ZeroMQ |
|---|:--:|:--:|
| **Core** |  |  |
| Messaging paradigm | Pub/sub | Pub/sub |
| **Correctness** |  |  |
| Delivery guarantee | - | - |
| Ordering guarantee | Per-partition | - |
| **Durability** |  |  |
| Durable replayable log | ✓ | - |
| Message replay / rewind | ✓ | - |
| **Interop** |  |  |
| Wire protocol | Kafka protocol, REST API | ZMTP/3.1 |
| Kafka-protocol compatible | ✓ | - |
| **Scale** |  |  |
| Partitioned horizontal scaling | ✓ | - |
| Geo / cross-region replication | ✓ | - |
| **Consumption** |  |  |
| Consumer groups / competing consumers | ✓ | - |
| Dead-letter queue | - | - |
| **Deployment** |  |  |
| Managed cloud offering exists | ✓ | ✗ |
| Hosting | Cloud only | Self-hosted only |
| **Processing** |  |  |
| Built-in stream processing | ✓ | - |

*Source: Vioscale. Generated 2026-09-01T14:39:33.365Z. "-" = undocumented, not absent.*