KGLite vs Neptune

KGLite is a property graph database; Neptune is a multiple database. KGLite (2026-06, MIT, Rust) ranks #126 this month; Neptune (2017-11, Proprietary, C++) ranks #14.

Attribute KGLite #126 ▼1 Emerging Neptune #14 ▲2 Strong
At a glance
Rank #126#14
Score 26.361.1
GitHub stars 74—
Popularity 41.561.0
Activity 78.360.9
Community 30.361.8
Research 50.060.4
Fundamentals
Description An embedded knowledge graph for Python written in Rust. Speaks openCypher, ships with three storage modes (in-memory, mmap, disk-backed CSR), pandas DataFrame I/O, a code_tree parser that turns source trees into call graphs across 9 languages, and a bundled MCP server for LLM agents.A fully managed graph database service from AWS supporting both property graph and RDF models. Available as Neptune Database (for transactional workloads) and Neptune Analytics (for analytical queries).
Vendor Kristian dF KollsgårdAmazon Web Services
Model Property GraphMultiple
Kind embeddeddatabase
Category EmergingEnterprise
First released 2026-062017-11
Status activeactive
License MITProprietary
Written in RustC++
Query languages openCypher, Custom APIGremlin, SPARQL, openCypher
gdotv support noyes

Feature scores — not surveyed for KGLite

Feature KGLiteNeptune
Community & Business
Active development —✓
Commercial support —✓
Live community —✓
Open Source —·
Pricing —✓
Trendiness —✓
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 —0.5
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 —✓
Transactions
Granular locking —✓
Multiple isolation levels —✓
Read committed transaction —✓
Transaction support —✓
Schema & Security
Constraints —✓
Schema support —0.5
Secondary indexes —✓
Server side procedures —·
Triggers —·
Authentication —✓
Authorization —✓
Data encryption —✓