JanusGraph vs Kuzu

Both are property graph databases. JanusGraph (2017-04, Apache-2.0, Java) ranks #31 this month; Kuzu (2022-11, MIT, C++) ranks #26.

Attribute JanusGraph #31 ▼4 Strong Kuzu #26 ▲3 Strong
At a glance
Rank #31#26
Score 53.455.3
GitHub stars 5.9k4k
Popularity 72.761.6
Activity 42.347.8
Community 36.658.6
Research 64.752.0
Fundamentals
Description An open-source distributed property graph database forked from the Titan codebase. Supports pluggable storage backends (Cassandra, HBase, BerkeleyDB) with ACID transactions and native TinkerPop integration.An embedded property graph database built for fast analytical workloads, developed as the successor to Graphflow. Archived in October 2025 after acquisition by Apple. Forked as LadybugDB and Bighorn.
Vendor The Linux FoundationKuzu Inc (acquired by Apple)
Model Property GraphProperty Graph
Kind databaseembedded
Category EstablishedEmerging
First released 2017-042022-11
Status activedeprecated — Acquired by Apple in October 2025. Repository archived. Continued as LadybugDB and Bighorn forks.
License Apache-2.0MIT
Written in JavaC++
Query languages GremlinopenCypher
gdotv support yesyes

Feature scores — not surveyed for Kuzu

Feature JanusGraphKuzu
Community & Business
Active development ✓—
Commercial support ·—
Live community ✓—
Open Source ✓—
Pricing ✓—
Trendiness 0.5—
Deployment
Containerization ✓—
Work as dedicated instance ✓—
Work as embedded ✓—
Testing in-memory version ✓—
Platform
Operating on Linux ✓—
Operating on Windows ✓—
SaaS offering ✓—
Operations
Automatic updates ·—
Client side caching ·—
Data versioning support ·—
Live backups ✓—
Distribution
Cluster Re-balancing ·—
Data Distribution ✓—
High-Availability ✓—
Query Distribution ·—
Replication support ✓—
Developer Experience
Data types defined ✓—
Logging/Auditing ✓—
Object-Graph Mapper ·—
Reactive programming ·—
Documentation up-to-date 0.75—
Binary protocol ✓—
CLI ✓—
GUI ·—
Data Model
Multi-database ✓—
Graph-native data ✓—
REST API ✓—
Query Language ✓—
Transactions
Granular locking 0.5—
Multiple isolation levels 0.5—
Read committed transaction 0.5—
Transaction support ✓—
Schema & Security
Constraints ✓—
Schema support ✓—
Secondary indexes ✓—
Server side procedures ·—
Triggers 0.5—
Authentication ✓—
Authorization ✓—
Data encryption ·—