Neo4j vs TAO

Neo4j is a property graph database; TAO is a other database. Neo4j (2007, GPL-3.0, Java) ranks #1 this month; TAO (2012-05, Proprietary, C++) is not ranked. They differ on 30 of 46 surveyed features.

Attribute Neo4j #1 = Leader TAO — ▼7 Insufficient data
At a glance
Rank #1— Not ranked
Score 88.829.5
GitHub stars 17.4k—
Popularity 98.6—
Activity 86.554.9
Community 73.831.5
Research 98.7—
Fundamentals
Description A property graph database that stores data as fixed-size records in linked lists for index-free adjacency traversal. Offers community and commercial editions with an extensive graph algorithms library.A distributed graph store built by Meta (Facebook) for serving the social graph at scale. Shards data across MySQL instances with a caching layer, later extended with the RAMP-TAO protocol for geo-distributed atomic visibility. Not available as a standalone product.
Vendor Neo4j IncMeta
Model Property GraphOther
Kind databasedatabase
Category EstablishedEstablished
First released 20072012-05
Status activeactive
License GPL-3.0Proprietary
Written in JavaC++
Query languages Cypher, GQLTAO API
gdotv support yesno

Feature scores 30 of 46 rows differ

Feature Neo4jTAO
Community & Business
Active development ✓·
Commercial support ✓·
Live community ✓·
Open Source ✓·
Pricing 0.5·
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 ✓·
Replication support ✓✓
Developer Experience
Data types defined ✓✓
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 ✓✓
Secondary indexes ✓✓
Server side procedures ✓✓
Triggers ✓✓
Authentication ✓·
Authorization ✓·
Data encryption ··