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

Type
Speedy
Status
Running
Protocol
SPARQL
Statements
786.774
Up-to-date
Always
Failed to get information for service default.

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
Error
Protocol
SPARQL
Created
8 months ago
Loaded
Never
Up-to-date
Loaded statements
0
Loaded graphs
None