ClickHouse® is a real-time analytics database management system
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DuckDB is a high-performance analytical database system
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
The official home of the Presto distributed SQL query engine for big data
- java
- presto
- hive
- hadoop
Apache Doris is a real-time analytics and hybrid search database for AI agents.
- olap
- database
- hudi
- iceberg
Apache Druid: a high performance real-time analytics database.
- druid
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
- java
- presto
- hive
- hadoop
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.
- oceanbase
- paxos
- htap
- cloud-native
The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL
OctoSQL is a query tool that allows you to join, analyse and transform data from multiple databases and file formats using SQL.
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
Apache DataFusion Ballista Distributed Query Engine
- arrow
- big-data
- dataframe
- olap
LadybugDB a graph database
- database
- graph
- cypher
- cypher-query-language
Blazingly fast analytics database that will rapidly devour all of your data.
High-performance, columnar, in-memory store with bitmap indexing in Go
- db
- soa
- indexing
- bitmap
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
- database
- data-analysis
- data-warehouse
- olap
Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster
BlinkDB: Sub-Second Approximate Queries on Very Large Data.