Neptune vs Quine

Neptune is a multiple database; Quine is a property graph database. Neptune (2017-11, Proprietary, C++) ranks #4 this month; Quine (2022-02, MIT + Commons Clause, Scala) ranks #45.

Attribute	Neptune #4 ▼3 Leader	Quine #45 ▲1 Strong
At a glance
Rank	#4	#45
Score	65.5	50.8
GitHub stars	—	361
Popularity	81.2	57.3
Activity	95.5	60.0
Community	53.7	35.3
Research	58.4	50.3
Fundamentals
Description	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).	A streaming graph engine written in Scala that ingests event streams and builds them into a stateful graph in real time. Uses standing queries to continuously match patterns and trigger actions as data arrives. Supports pluggable persistence via RocksDB, Cassandra, and ScyllaDB.
Vendor	Amazon Web Services	thatDot
Model	Multiple	Property Graph
Kind	database	database
Category	Enterprise	Emerging
First released	2017-11	2022-02
Status	active	active
License	Proprietary	MIT + Commons Clause
Written in	C++	Scala
Query languages	Gremlin, SPARQL, openCypher	openCypher, Gremlin
gdotv support	yes	no