Speedy is actively maintained by Triply and is standards conformant, always available and always up-to-date.

Type
Speedy
Status
Running
Protocol
SPARQL
Statements
8.659.750
Up-to-date
Always

Virtuoso does not follow the SPARQL standard well, but is able to scale to large datasets, and has support for geospatial queries.

Type
Virtuoso
Status
Running
Protocol
SPARQL
Created
6 months ago
Loaded
4 months ago
Up-to-date
Loaded statements
8.659.750
Loaded graphs
1 / 1

Elasticsearch creates a text-index for your linked data.

Type
Elasticsearch
Status
Running
Protocol
Elasticsearch
Created
6 months ago
Loaded
4 months ago
Up-to-date
Loaded statements
8.659.750
Loaded graphs
1 / 1

Jena is standards-conforming and can apply RDFS/OWL reasoning, but does not scale very well to larger datasets.

Type
Jena
Reasoner
None
Status
Running
Protocol
SPARQL
Created
6 months ago
Loaded
4 months ago
Up-to-date
Loaded statements
8.659.750
Loaded graphs
1 / 1