chDB is an in-process OLAP SQL Engine
A fast open-source OLAP database management system
DuckDB is an in-process SQL OLAP Database Management System
A graph database that supports more than 100+ billion data
StarRocks is a next-gen sub-second MPP database for full analytics
Postgres-native columnar storage extension
Columnar storage extension for Postgres
Adhoc Data Exploration - Live & Easy
palo olap open office calc plugin for data analysis
Open Java API for OLAP