# Hazelcast vs RisingWave

| Attribute | Hazelcast | RisingWave |
|---|---|---|
| **Vioscale score** | 48.5 (56% (medium)) | 51.6 (52% (medium)) |
| activity.commits_last_30d | 71 | - |
| adoption.dependent_repos | 10,433 | - |
| adoption.github_stars | 6,604 | - |
| adoption.package_downloads_weekly | 4,717 | - |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | A streaming database that ingests and transforms event streams using PostgreSQL-compatible SQL, serving real-time analytics and materialized results without requiring separate message queues, caches, or databases. |
| features.capabilities | `{"clustering":"replicated","deployment":"self_hosted","open_source":false,"storage_tier":"in_memory","latency_class":"sub-second","wire_protocol":"custom","stateful_processing":true}` | `{"soc2":true,"autoscaling":true,"open_source":true,"latency_class":"sub-second","streaming_sql":true,"deployment_model":"managed-saas","processing_model":"micro-batch","delivery_guarantee":"exactly-once","stateful_processing":true,"event_time_watermarks":true}` |
| integrations.count | 1 | 9 |
| integrations.list | `[{"name":"Spring Integration"},{"name":"MongoDB"}]` | `[{"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}` | `{"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 | - |
| 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":8,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.hazelcast%3Ahazelcast&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` | - |

## Capabilities (Streaming Analytics)

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

*Source: Vioscale. Generated 2026-09-01T17:21:17.945Z. "-" = undocumented, not absent.*