elasticsearch by elastic

Free and Open, Distributed, RESTful Search Engine

created at Feb. 8, 2010, 1:20 p.m.

2,686 +2

67,540 +142

24,088 +43

neo4j by neo4j

Graphs for Everyone

created at Nov. 12, 2012, 8:46 a.m.

517 +0

12,436 +28

2,314 +4

cassandra by apache

Mirror of Apache Cassandra

created at May 21, 2009, 2:10 a.m.

442 +0

8,511 +5

3,539 +6

titan by thinkaurelius

Distributed Graph Database

created at Feb. 25, 2012, 10:53 p.m.

404 +0

5,245 -2

1,015 +0

mapdb by jankotek

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

created at Aug. 17, 2012, 3:28 p.m.

314 +0

4,831 +5

866 +0

orientdb by orientechnologies

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.

created at Dec. 9, 2012, 8:33 p.m.

272 +0

4,690 +2

866 +0

voldemort by voldemort

An open source clone of Amazon's Dynamo.

created at May 31, 2009, 3:27 a.m.

145 +0

2,624 +0

581 +0