ClickHouse® is a real-time analytics database management system
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Updated
Aug 29, 2026 - C++
ClickHouse® is a real-time analytics database management system
DuckDB is an analytical in-process SQL database management system
QuestDB is a high performance, open-source, time-series database
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.
Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.
Apache DataFusion SQL Query Engine
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
Dinky is a real-time data development platform based on Apache Flink, enabling agile data development, deployment and operation.
An easy to use, self-service open BI reporting and BI dashboard platform.
HeavyDB (formerly MapD/OmniSciDB)
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
Apache DataFusion Ballista Distributed Query Engine
WebAssembly version of DuckDB
AI-native HTAP database with Git-for-Data and built-in vector search, serving as the data and memory backbone for intelligent agents and applications.
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