qikkDB is a GPU-accelerated columnar relational DBMS.
qikkDB began at the Slovak University of Technology in Bratislava in 2019. The source code was last updated in 2020 and the project appears to be abandoned.
Relational
GPU
SQL
Decomposition Storage Model (Columnar)
https://qikk.ly/
https://github.com/qikkDB/qikkdb
https://docs.qikk.ly/
Instarea s.r.o.
SK
2020
Commercial, Open Source
C++