# DragonflyDB vs Hazelcast

**Leader by Vioscale score:** DragonflyDB

| Attribute | DragonflyDB | Hazelcast |
|---|---|---|
| **Vioscale score** | 57.5 (67% (medium)) | 48.5 (56% (medium)) |
| activity.commits_last_30d | 100 | 71 |
| adoption.dependent_repos | 0 | 10,433 |
| adoption.github_stars | 31,043 | 6,604 |
| adoption.package_downloads_weekly | - | 4,717 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | An in-memory data store delivering significantly higher throughput and memory efficiency than Redis through multi-threaded architecture, enabling cost-effective scaling with fewer infrastructure resources. | 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. |
| features.capabilities | `{"clustering":"sharded","deployment":"self_hosted","consistency":"strong","persistence":"snapshot","eviction_ttl":true,"storage_tier":"in_memory","transactions":"multi_exec","licence_class":"source_available","wire_protocol":"resp","multi_threaded":true,"pubsub_streams":true,"data_structures":"rich_types","redis_api_compat":"full"}` | `{"clustering":"replicated","deployment":"self_hosted","open_source":false,"storage_tier":"in_memory","latency_class":"sub-second","wire_protocol":"custom","stateful_processing":true}` |
| integrations.count | 6 | 1 |
| integrations.list | `[{"name":"GCP Marketplace"},{"name":"AWS"},{"name":"Google Cloud Platform"},{"name":"Feast"},{"name":"Airbyte"},{"name":"PostgreSQL"}]` | `[{"name":"Spring Integration"},{"name":"MongoDB"}]` |
| language.primary | C++ | Java |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true,"linux":true}` | `{"cli":true}` |
| pricing | `{"type":"subscription","plans":[{"free":false,"name":"Flex","summary":"$8/GB/month, starting at $36/month","features":["Fully-managed on AWS, GCP, or Azure","One-click provisioning","Horizontal + vertical scaling","Monitoring dashboard","Dragonfly team support"],"components":[{"kind":"per_unit","unit":"GB","amount":8,"period":"month","currency":"USD"}],"description":"Fully-managed Dragonfly service for teams that prefer a simple, self-serve solution","contactSales":false},{"free":false,"name":"Business","summary":"Starting at $2,000/month","features":["Bring your own cloud","Auto-scaling","SSO & MFA","Custom SLA","Dedicated support"],"components":[{"kind":"fixed","amount":2000,"period":"month","currency":"USD"}],"description":"Fully-managed Dragonfly service for teams that require advanced security, compliance, and support","contactSales":false},{"free":false,"name":"Enterprise","summary":"Contact for pricing","features":["Run anywhere","Custom instance types","White-glove migrations and tuning","Advanced security & compliance","Enterprise SLA & premium support"],"description":"Fully-managed Dragonfly service for large organizations that require air-gapped infrastructure and white-glove support","contactSales":true}],"summary":"From $8/GB/month (Flex), $2,000+/month (Business). Free trial with $100 credits.","currency":"USD","freeTier":true,"sourceUrl":"https://www.dragonflydb.io","retrievedAt":"2026-08-01T15:16:24.351Z","startingPrice":{"amount":8,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"quote","sourceUrl":"https://hazelcast.com","retrievedAt":"2026-08-03T21:11:26.502Z"}` |
| pricing.free_tier | yes | - |
| pricing.model | commercial | commercial |
| pricing.price_level | low | unknown |
| pricing.transparent | no | no |
| release.cadence_days | 21 | 15 |
| release.history | `[{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.40.1","date":"2026-08-06T06:54:05Z","type":"stable","version":"v1.40.1"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.40.0","date":"2026-08-04T04:46:07Z","type":"stable","version":"v1.40.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.39.0","date":"2026-06-09T10:38:57Z","type":"stable","version":"v1.39.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.38.1","date":"2026-04-28T08:01:45Z","type":"stable","version":"v1.38.1"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.38.0","date":"2026-04-14T07:04:14Z","type":"stable","version":"v1.38.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.37.2","date":"2026-03-26T07:49:14Z","type":"stable","version":"v1.37.2"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.37.0","date":"2026-02-23T10:50:51Z","type":"stable","version":"v1.37.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.36.0","date":"2026-01-07T11:23:34Z","type":"stable","version":"v1.36.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.35.1","date":"2025-11-25T16:20:39Z","type":"stable","version":"v1.35.1"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.34.2","date":"2025-10-14T16:04:28Z","type":"stable","version":"v1.34.2"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.34.1","date":"2025-09-18T19:50:39Z","type":"stable","version":"v1.34.1"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.34.0","date":"2025-09-17T23:33:06Z","type":"stable","version":"v1.34.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.33.1","date":"2025-08-21T10:21:59Z","type":"stable","version":"v1.33.1"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.33.0","date":"2025-08-19T07:10:02Z","type":"stable","version":"v1.33.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.32.0","date":"2025-08-04T03:27:23Z","type":"stable","version":"v1.32.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.31.2","date":"2025-07-16T06:16:00Z","type":"stable","version":"v1.31.2"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.31.1","date":"2025-07-14T12:57:45Z","type":"stable","version":"v1.31.1"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.31.0","date":"2025-06-19T10:15:29Z","type":"stable","version":"v1.31.0"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.30.3","date":"2025-05-28T16:26:45Z","type":"stable","version":"v1.30.3"},{"url":"https://github.com/dragonflydb/dragonfly/releases/tag/v1.30.2","date":"2025-05-25T12:48:36Z","type":"stable","version":"v1.30.2"}]` | `[{"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.pci | yes | - |
| security.scorecard | 5.3 | 4.2 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=softonic%2Fdragonfly&per_page=100","last_12m":0,"max_severity":null}` | `{"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 (Key-Value Stores)

| Capability | DragonflyDB | Hazelcast |
|---|:--:|:--:|
| **Storage** |  |  |
| Storage tier | In-memory | In-memory |
| Persistence | Snapshot (RDB) | - |
| Data structures | Rich types | - |
| **Protocol** |  |  |
| Wire protocol | RESP (Redis) | Custom |
| **Distribution** |  |  |
| Clustering | Sharded | Replicated |
| Consistency | Strong | - |
| **Ops** |  |  |
| Eviction / TTL policies | ✓ | - |
| Multi-threaded | ✓ | - |
| Pub/Sub / streams | ✓ | - |
| Transactions / atomic ops | MULTI-EXEC | - |
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Licensing** |  |  |
| Licence class | Source-available | - |
| **Compatibility** |  |  |
| Redis API compatibility | Full | - |

*Source: Vioscale. Generated 2026-09-01T15:05:34.965Z. "-" = undocumented, not absent.*