HelixDB vs TerminusDB

HelixDB is a other database; TerminusDB is a multiple database. HelixDB (2025-02, Apache-2.0, Rust) ranks #10 this month; TerminusDB (2019-10, Apache-2.0, Prolog) ranks #30.

Attribute HelixDB #10 ▲1 Strong TerminusDB #30 ▼5 Strong
At a glance
Rank #10#30
Score 63.753.6
GitHub stars 6.3k3.5k
Popularity 58.962.4
Activity 76.062.2
Community 62.934.7
Research 50.050.0
Fundamentals
Description An open-source graph-vector database combining graph traversals with vector and keyword search, targeting AI and RAG applications.A graph database and document store that builds knowledge graphs from JSON documents. Uses git-like delta encoding with an append-only layered data model, enabling version control and collaboration workflows.
Vendor HelixDBDFRNT
Model OtherMultiple
Kind databasedatabase
Category EmergingEmerging
First released 2025-022019-10
Status activeactive
License Apache-2.0Apache-2.0
Written in RustProlog
Query languages HelixQLWOQL, GraphQL
gdotv support nono

Feature scores — not surveyed for HelixDB

Feature HelixDBTerminusDB
Community & Business
Active development —✓
Commercial support —✓
Live community —0.75
Open Source —✓
Pricing —✓
Trendiness —✓
Deployment
Containerization —✓
Work as dedicated instance —✓
Work as embedded —·
Testing in-memory version —·
Platform
Operating on Linux —✓
Operating on Windows —0.75
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 —0.5
Logging/Auditing —✓
Object-Graph Mapper —·
Reactive programming —·
Documentation up-to-date —✓
Binary protocol —·
CLI —·
GUI —·
Data Model
Multi-database —·
Graph-native data —·
REST API —✓
Query Language —0.5
Transactions
Granular locking —✓
Multiple isolation levels —·
Read committed transaction —·
Transaction support —✓
Schema & Security
Constraints —✓
Schema support —·
Secondary indexes —·
Server side procedures —·
Triggers —·
Authentication —✓
Authorization —✓
Data encryption —·