13 projects
ClickHouse
ClickHouse is an open-source column-oriented database management system that enables real-time analytics using SQL queries. It is designed for high performance on large datasets, featuring fast data ingestion, efficient compression, and parallel processing capabilities.
Contributors
11,652
Organizations
1,629
Software value
$103M
DuckDB
DuckDB is an embeddable SQL OLAP database management system that runs queries directly on raw data files. It provides fast analytical query processing while maintaining ACID properties, and can be embedded within larger applications or used as a standalone database.
Contributors
5,429
Organizations
1,226
Software value
$70M
Apache Doris
Apache Doris is a modern, high-performance MPP (Massively Parallel Processing) analytical database system that provides real-time data warehouse solutions. It offers fast query capabilities, high concurrency, and strong data consistency while supporting both batch and streaming data ingestion.
Contributors
4,532
Organizations
244
Software value
$175M
TiDB
TiDB is an open-source, distributed SQL database that supports Hybrid Transactional and Analytical Processing (HTAP) workloads. It features horizontal scalability, strong consistency, and MySQL compatibility.
Contributors
3,231
Organizations
553
Software value
$83M
YDB
YDB is an open-source distributed SQL database management system that combines OLTP and OLAP workloads in a single DBMS. It offers ACID transactions, high availability, horizontal scalability, and strong consistency while maintaining high performance for both transactional and analytical queries.
Contributors
3,018
Organizations
86
Software value
$1.3B
TimescaleDB
TimescaleDB is an open-source time-series database built as an extension to PostgreSQL. It provides automatic partitioning across time and space (partitioning key), native compression, continuous aggregations, and other features optimized for time-series data while retaining full SQL compatibility.
Contributors
2,817
Organizations
626
Software value
$6.7M
Apache Pinot
Apache Pinot is a real-time distributed OLAP datastore designed to deliver scalable real-time analytics with low latency. It can ingest data from batch and streaming sources and provides a SQL interface for querying. The system is built to handle high throughput analytics workloads and supports rich indexing capabilities for optimized query performance.
Contributors
1,727
Organizations
232
Software value
$48M
QuestDB
QuestDB is a high performance, open-source, time-series database
Contributors
1,634
Organizations
269
Software value
$50M
OceanBase Database
OceanBase is an enterprise-grade distributed relational database system that provides high availability, scalability, and performance for large-scale online transaction processing (OLTP) workloads. It features multi-tenancy support, strong consistency, and compatibility with MySQL protocols.
Contributors
1,558
Organizations
154
Software value
$397M
CrateDB
CrateDB is a distributed SQL database that enables real-time analytics and queries on large-scale machine data and IoT workloads. It features horizontal scalability, automatic data sharding, and support for structured and unstructured data.
Contributors
819
Organizations
177
Software value
$23M
TiFlash
TiFlash is a columnar storage engine and analytical processing component of TiDB, designed to handle real-time HTAP (Hybrid Transactional/Analytical Processing) workloads. It provides MPP (Massively Parallel Processing) acceleration for complex analytical queries while maintaining strong consistency with transactional data.
Contributors
471
Organizations
66
Software value
$43M
Materialize
Materialize is a streaming database that processes real-time data streams and maintains materialized views, enabling fast SQL queries over streaming data. It allows users to build real-time applications and analytics by transforming complex streaming data into queryable views.
Contributors
456
Organizations
91
Software value
$29M
ProtonSQL
High-performance, low-footprint SQL database written in C++. Process millions of rows per second from Kafka, Pulsar, or ClickHouse, and seamlessly write results back. Supports powerful features like JOIN, CDC, UPSERT, and LOOKUP, enabling real-time analytics and ETL at scale.
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