upscaledb is an embedded key/value store DBMS for analytical workloads.
The project originally started as HamsterDB. It was then renamed to upscaledb in 2016.
Key/Value
B+Tree
Custom API SQL
Embedded
https://upscaledb.com
https://github.com/cruppstahl/upscaledb
https://upscaledb.com/apis.html
@upscaledb
Christoph Rupp
DE
2007
HamsterDB
Commercial, Open Source
C, C++
Apache v2