# Hazelcast vs RisingWave

**Leader by vioscaleAI score:** Hazelcast

| Attribute | Hazelcast | RisingWave |
|---|---|---|
| **vioscaleAI score** | 60.7 (56% (medium)) | 52 (53% (medium)) |
| activity.commits_last_30d | 80 | - |
| adoption.dependent_repos | 10,433 | - |
| adoption.github_stars | 6,620 | - |
| adoption.package_downloads_weekly | 3,112 | - |
| content.faq | `[{"answer":"Hazelcast is a distributed data platform that provides real-time processing and continuous intelligence capabilities. It supports clustering and integrates with various frameworks and clients. It is indexed under Key-Value Stores.","source":"https://hazelcast.com","question":"What is Hazelcast?","confidence":0.6},{"answer":"Hazelcast supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://hazelcast.com","question":"What platforms does Hazelcast support?","confidence":0.6},{"answer":"Yes. Hazelcast can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://hazelcast.com","question":"Can Hazelcast be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Hazelcast. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Hazelcast not holding them. Always confirm compliance directly before you rely on it.","source":"https://hazelcast.com/blog/health-information-privacy/","question":"What security certifications does Hazelcast have?","confidence":0.7},{"answer":"Yes. Hazelcast is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://www.npmjs.com/package/hazelcast-client","question":"Is Hazelcast open source?","confidence":0.85}]` | `[{"answer":"Handles continuous ingestion and processing of data streams using standard SQL queries, storing results locally for immediate access without requiring additional infrastructure layers like separate databases or caches. It is indexed under Streaming Analytics.","source":"https://risingwave.com","question":"What is RisingWave?","confidence":0.6},{"answer":"RisingWave offers a free tier, so you can start without paying. Paid plans are also available: Self-Hosted and RisingWave Cloud. Pricing changes often, so verify at source before relying on it.","source":"https://risingwave.com/blog/discover-exist-db-pricing-and-top-alternatives-unveiled/","question":"Is RisingWave free?","confidence":0.6},{"answer":"RisingWave supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://risingwave.com/blog/discover-exist-db-pricing-and-top-alternatives-unveiled/","question":"What platforms does RisingWave support?","confidence":0.6},{"answer":"Yes. RisingWave can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://risingwave.com","question":"Can RisingWave be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for RisingWave, including Kafka, Apache Iceberg, DataFusion, S3, PostgreSQL, Slack, NGINX and Envoy, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://risingwave.com/blog/discover-exist-db-pricing-and-top-alternatives-unveiled/","question":"What does RisingWave integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for RisingWave. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as RisingWave not holding them. Always confirm compliance directly before you rely on it.","source":"https://risingwave.com","question":"What security certifications does RisingWave have?","confidence":0.6}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A distributed, in-memory computing platform that combines caching, stream processing, and data integration to enable real-time applications with low-latency data access and instant decision-making. | Processes continuous data streams using SQL, delivering low-latency results directly without requiring separate databases or caches. Available as open-source self-hosted software or a managed cloud service. |
| features.capabilities | `{"clustering":"replicated","deployment":"self_hosted","autoscaling":true,"consistency":"strong","open_source":true,"persistence":"durable","eviction_ttl":true,"storage_tier":"in_memory","latency_class":"sub-second","pricing_model":"open-source-self-host","streaming_sql":true,"wire_protocol":"custom","pubsub_streams":true,"data_structures":"kv_only","deployment_model":"self-hosted","delivery_guarantee":"exactly-once","stateful_processing":true}` | `{"soc2":true,"autoscaling":true,"open_source":true,"latency_class":"sub-second","pricing_model":"open-source-self-host","streaming_sql":true,"deployment_model":"managed-saas","processing_model":"micro-batch","delivery_guarantee":"exactly-once","stateful_processing":true,"event_time_watermarks":true}` |
| integrations.count | 6 | 9 |
| integrations.list | `[{"name":"Spring Integration"},{"name":"MongoDB"},{"name":"Kafka","native":true},{"name":"Hadoop","native":true},{"name":"S3","native":true},{"name":"RDBMS","native":true},{"name":"JMS","native":true},{"name":"Oracle Database","native":true,"category":"database","direction":"bidirectional"},{"name":"Microsoft SQL Server","native":true,"category":"database","direction":"bidirectional"},{"name":"JDBC","native":true,"category":"database","direction":"bidirectional"}]` | `[{"name":"Kafka"},{"name":"Apache Iceberg"},{"name":"DataFusion"},{"name":"S3"},{"name":"PostgreSQL"},{"name":"Slack"},{"name":"NGINX"},{"name":"Envoy"},{"name":"Kong"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| platform.support | `{"cli":true,"linux":true}` | `{"cli":true}` |
| pricing | `{"type":"quote","sourceUrl":"https://hazelcast.com","retrievedAt":"2026-08-03T21:11:26.502Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Self-Hosted"},{"free":false,"name":"RisingWave Cloud"}],"freeTier":true,"sourceUrl":"https://risingwave.com/blog/discover-exist-db-pricing-and-top-alternatives-unveiled/","retrievedAt":"2026-08-25T15:47:19.954Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | unknown | low |
| pricing.transparent | no | no |
| release.cadence_days | 15 | - |
| release.history | `[{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.7.0","date":"2026-05-13T10:46:12Z","type":"stable","version":"v5.7.0"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.6.0","date":"2025-10-15T14:47:06Z","type":"stable","version":"v5.6.0"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.5.0","date":"2024-07-26T17:03:03Z","type":"stable","version":"v5.5.0"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.8","date":"2024-07-17T14:13:54Z","type":"stable","version":"v5.3.8"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.4.0","date":"2024-04-15T17:55:57Z","type":"stable","version":"v5.4.0"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.7","date":"2024-04-03T10:23:29Z","type":"stable","version":"v5.3.7"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.2.5","date":"2024-02-26T14:47:57Z","type":"stable","version":"v5.2.5"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.6","date":"2023-11-09T14:00:06Z","type":"stable","version":"v5.3.6"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.5","date":"2023-10-24T14:59:38Z","type":"stable","version":"v5.3.5"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.2","date":"2023-08-21T15:41:18Z","type":"stable","version":"v5.3.2"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.0.5","date":"2023-06-28T13:47:26Z","type":"stable","version":"v5.0.5"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.1.7","date":"2023-06-19T14:02:07Z","type":"stable","version":"v5.1.7"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.2.4","date":"2023-06-13T12:40:26Z","type":"stable","version":"v5.2.4"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.1","date":"2023-06-09T09:24:01Z","type":"stable","version":"v5.3.1"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v4.2.8","date":"2023-05-29T09:56:41Z","type":"stable","version":"v4.2.8"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.0","date":"2023-05-19T06:32:29Z","type":"stable","version":"v5.3.0"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.1.6","date":"2023-05-10T10:55:54Z","type":"stable","version":"v5.1.6"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.0-BETA-2","date":"2023-04-12T10:58:26Z","type":"stable","version":"v5.3.0-BETA-2"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.2.3","date":"2023-03-23T13:28:16Z","type":"stable","version":"v5.2.3"},{"url":"https://github.com/hazelcast/hazelcast/releases/tag/v5.3.0-BETA-1","date":"2023-03-17T06:49:49Z","type":"stable","version":"v5.3.0-BETA-1"}]` | - |
| reliability.status_page | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.scorecard | 4.2 | - |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":10,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.hazelcast%3Ahazelcast&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` | - |

## Capabilities (Streaming Analytics)

| Capability | Hazelcast | RisingWave |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Processing model | - | Micro batch |
| Delivery guarantee | Exactly once | Exactly once |
| Streaming sql | ✓ | ✓ |
| Event time watermarks | - | ✓ |
| Stateful processing | ✓ | ✓ |
| Cdc support | - | - |
| Deployment model | Self hosted | Managed saas |
| Autoscaling | ✓ | ✓ |
| Connector breadth | - | - |
| Latency class | Sub second | Sub second |
| Open source | ✓ | ✓ |
| SOC2 | - | ✓ |
| Pricing model | Open source self host | Open source self host |

*Source: vioscaleAI. Generated 2026-10-16T20:58:40.520Z. "-" = undocumented, not absent.*