ClickHouse® is a real-time analytics database management system
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Updated
Oct 13, 2025 - 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.
The Fastest Distributed Database for Transactional, Analytical, and AI Workloads. Welcome to our community: https://discord.gg/74cF8vbNEs
𝗔𝗜-𝗡𝗮𝘁𝗶𝘃𝗲 𝗗𝗮𝘁𝗮 𝗪𝗮𝗿𝗲𝗵𝗼𝘂𝘀𝗲. Blazing analytics, fast search, geo insights, vector AI. Built for multimodal analytics, Open-source Snowflake alternative. https://databend.com
Apache DataFusion SQL Query Engine
The transactional Elasticsearch alternative built on Postgres
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
MySQL-compatible HTAP database with Git for Data, vector search, and fulltext search. Cloud-native, AI-ready
RadonDB is an open source, cloud-native MySQL database for building global, scalable cloud services
WebAssembly version of DuckDB
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