vioscaleAI
Comparison

DragonflyDB vs Hazelcast

No clear leader: Hazelcast (60.7) and DragonflyDB (56.7) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

DragonflyDB full profile →Hazelcast full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
DragonflyDB57
Hazelcast61
Score
vioscaleAI score
DragonflyDB57 / 100medium · 67%
Hazelcast61 / 100medium · 56%
Pricing
Free tier
DragonflyDB✓
Hazelcast–
Model
DragonflyDBfreemium
Hazelcastcommercial
Price level
DragonflyDBlow
Hazelcastunknown
Transparent
DragonflyDB✗
Hazelcast✗
Integrations
Count
DragonflyDB5
Hazelcast6
Security
Gdpr
DragonflyDB✓
Hazelcast✓
Pci
DragonflyDB✓
Hazelcast–
Scorecard
DragonflyDB5.3
Hazelcast4.2
Soc2
DragonflyDB✓
Hazelcast–
Vulnerabilities
Reliability
Status page
DragonflyDB–
Hazelcast✓
Adoption
Dependent repos
DragonflyDB0
Hazelcast10,433
Github stars
DragonflyDB31,781
Hazelcast6,620
Package downloads weekly
DragonflyDB–
Hazelcast3,112
Activity
Commits last 30d
DragonflyDB100
Hazelcast80
Release
Cadence days
DragonflyDB21
Hazelcast15
History
DragonflyDB20 items
Hazelcast20 items
License
Spdx
DragonflyDB–
HazelcastApache-2.0
Language
Primary
DragonflyDBC++
HazelcastJava
Market
Availability
DragonflyDBAvailable worldwide
Hazelcast–
Content
Faq
DragonflyDB6 items
Hazelcast5 items

Capabilities

Feature-by-feature on the axes that matter for key-value stores. “-” means undocumented, not absent.

Storage
Storage tier
DragonflyDBIn-memory
HazelcastIn-memory
Persistence
DragonflyDBSnapshot (RDB)
HazelcastFully durable
Data structures
DragonflyDBRich types
HazelcastKV-only
Protocol
Wire protocol
DragonflyDBRESP (Redis)
HazelcastCustom
Distribution
Clustering
DragonflyDBSharded
HazelcastReplicated
Consistency
DragonflyDBStrong
HazelcastStrong
Ops
Eviction / TTL policies
DragonflyDB✓
Hazelcast✓
Multi-threaded
DragonflyDB✓
Hazelcast-
Pub/Sub / streams
DragonflyDB✓
Hazelcast✓
Transactions / atomic ops
DragonflyDBMULTI-EXEC
Hazelcast-
Deployment
Deployment
DragonflyDBSelf-hosted
HazelcastSelf-hosted
Licensing
Licence class
DragonflyDBSource-available
Hazelcast-
Compatibility
Redis API compatibility
DragonflyDBFull
Hazelcast-

What each one is

The product in its own terms, so the numbers below have context.

DragonflyDB

A Redis-compatible in-memory database that uses multi-threaded processing to achieve significantly higher performance and lower operating costs compared to traditional alternatives, supporting pub/sub, streams, and advanced data structures.

Independently observed

Hazelcast

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

DragonflyDB

from $8/moSubscriptionFree tier

From $8/GB/month (Flex), $2,000+/month (Business). Free trial with $100 credits.

  • Flex$8/GB/month, starting at $36/month
    • Fully-managed on AWS, GCP, or Azure
    • One-click provisioning
    • Horizontal + vertical scaling
    • Monitoring dashboard
    • Dragonfly team support
  • BusinessStarting at $2,000/month
    • Bring your own cloud
    • Auto-scaling
    • SSO & MFA
    • Custom SLA
    • Dedicated support
  • EnterpriseContact sales
    • Run anywhere
    • Custom instance types
    • White-glove migrations and tuning
    • Advanced security & compliance
    • Enterprise SLA & premium support
as of verify ↗

Hazelcast

Quote-based
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Linux
DragonflyDB✗
Hazelcast✓
CLI
DragonflyDB✓
Hazelcast✓
Deployment
Cloud / SaaS
DragonflyDB✓
Hazelcast✓
Self-hosted
DragonflyDB✓
Hazelcast✓
Hybrid
DragonflyDB✗
Hazelcast✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • S3

DragonflyDB

10 total - 9 not shared
  • GCP Marketplace
  • AWS
  • Google Cloud Platform
  • Feast
  • Airbyte
  • PostgreSQL
  • AWS Marketplace
  • Grafana
  • Prometheus
Independently observed

Hazelcast

10 total - 9 not shared
  • Spring Integration
  • MongoDB
  • Kafka
  • Hadoop
  • RDBMS
  • JMS
  • Oracle Database
  • Microsoft SQL Server
  • JDBC
Independently observed
Still deciding?

DragonflyDB or Hazelcast: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.