Best Open-source Data Warehouse & OLAP Databases tools

Explore curated open-source tools in the Data Warehouse & OLAP Databases category. Compare technologies, see alternatives, and find the right solution for your workflow.

10+ projects · Page 1 of 1

Databend logo

Databend

AI-native multimodal data warehouse with Snowflake-compatible SQL

Stars
9,107
License
Last commit
53 minutes ago
RustActive
YTsaurus logo

YTsaurus

Scalable, fault-tolerant platform for big-data storage and processing

Stars
2,118
License
Apache-2.0
Last commit
1 hour ago
C++Active
StarRocks logo

StarRocks

Sub-second ad-hoc analytics across data lakes and warehouses

Stars
11,287
License
Apache-2.0
Last commit
1 hour ago
JavaActive
Apache Doris logo

Apache Doris

High-performance real-time analytical database with MPP architecture

Stars
14,907
License
Apache-2.0
Last commit
2 hours ago
JavaActive
DuckDB logo

DuckDB

High-performance in-process analytical SQL database for fast queries

Stars
35,553
License
MIT
Last commit
2 hours ago
C++Active
OceanBase logo

OceanBase

Distributed relational database delivering high‑availability, linear scalability, and vector search.

Stars
9,915
License
Last commit
12 hours ago
C++Active
LakeSoul logo

LakeSoul

Cloud-native lakehouse with ACID transactions and streaming upserts

Stars
3,216
License
Apache-2.0
Last commit
1 day ago
JavaActive
BemiDB logo

BemiDB

Postgres-compatible analytical database with built-in data sync connectors

Stars
1,500
License
AGPL-3.0
Last commit
13 days ago
GoActive
ByConity logo

ByConity

Cloud-native data warehouse with compute-storage separation for large-scale analytics

Stars
2,227
License
Apache-2.0
Last commit
10 months ago
C++Stable