# WarpStream vs ZeroMQ

**Leader by Vioscale score:** WarpStream

| Attribute | WarpStream | ZeroMQ |
|---|---|---|
| **Vioscale score** | 80.3 (73% (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,"on_prem":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | WarpStream is a Kafka-compatible streaming platform that eliminates local disks by using cloud object storage, enabling automatic scaling and reducing costs significantly compared to traditional Kafka. It maintains full protocol compatibility while simplifying operations through managed deployment in customer cloud accounts. | 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":"log_stream","protocol":"Kafka","message_replay":true,"persistent_log":true,"consumer_groups":true,"geo_replication":true,"kafka_compatible":true,"managed_offering":true,"stream_processing":true,"delivery_guarantee":"at_least_once","horizontal_scaling":true}` | `{"hosting":"self","paradigm":"pubsub","protocol":"ZMTP/3.1","managed_offering":false}` |
| integrations.count | 12 | 11 |
| integrations.list | `[{"name":"Apache Kafka"},{"name":"Bento"},{"name":"RisingWave"},{"name":"Grafana"},{"name":"Materialize"},{"name":"Snowflake"},{"name":"Schema Registry"},{"name":"Iceberg"},{"name":"Tigris"},{"name":"Protobuf"},{"name":"Avro"},{"name":"JSON"}]` | `[{"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 | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"mac":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Dev","summary":"$100/month base + metered write throughput and cluster minutes","features":["Core functionality","99.9% SLA","mTLS"],"commitment":"monthly","components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":15,"unit":"min"},"kind":"metered","amount":0.0345,"currency":"USD"}],"description":"Development-grade cluster with basic functionality","contactSales":false,"includedLimits":{"retention":"7 days","partitions":"4,096"}},{"free":false,"name":"Fundamentals","summary":"$500/month base + metered usage","features":["Production functionality","99.9% SLA","Agent Groups","Cluster Recovery","mTLS","PrivateLink","Audit Logs","Schema Validation"],"commitment":"monthly","components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":15,"unit":"min"},"kind":"metered","amount":0.1725,"currency":"USD"}],"description":"Production-grade cluster with standard SLA","contactSales":false,"includedLimits":{"partitions":"16,384"}},{"free":false,"name":"Pro","summary":"$1,500/month base + metered usage","features":["Advanced isolation","Multi-region replication","99.99% SLA","Lightning Topics","Topic Recovery","Lower Latency"],"commitment":"monthly","components":[{"kind":"fixed","amount":1500,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":15,"unit":"min"},"kind":"metered","amount":0.52083,"currency":"USD"}],"description":"Advanced cluster with high availability and multi-region replication","contactSales":false,"includedLimits":{"partitions":"50,000"}},{"free":false,"name":"Enterprise","summary":"Contact sales for pricing","features":["99.999% SLA","Dedicated Control Plane Cell","Multi-Region HA Replication"],"description":"Custom enterprise deployment","contactSales":true,"includedLimits":{"partitions":"200,000+"}}],"summary":"From $100/month base + metered write throughput ($0.01-$0.003/GiB, tiered by volume) and storage. Free $400 non-expiring credits with no card required.","currency":"USD","freeTier":true,"sourceUrl":"https://www.warpstream.com/pricing","retrievedAt":"2026-08-14T09:20:17.521Z","startingPrice":{"amount":0.01,"period":"month","currency":"USD"},"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 | 99.9 | - |
| reliability.status_page | yes | - |
| security.iso27001 | 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 | WarpStream | ZeroMQ |
|---|:--:|:--:|
| **Core** |  |  |
| Messaging paradigm | Log / streaming | Pub/sub |
| **Correctness** |  |  |
| Delivery guarantee | At-least-once | - |
| Ordering guarantee | Per-partition | - |
| **Durability** |  |  |
| Durable replayable log | ✓ | - |
| Message replay / rewind | ✓ | - |
| **Interop** |  |  |
| Wire protocol | Kafka | 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 2026-09-01T15:09:22.569Z. "-" = undocumented, not absent.*