ClickHouse® is a real-time analytics database management system
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DuckDB is a high-performance analytical database system
TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.
- distributed-database
- distributed-transactions
- tidb
- database
Scalable datastore for metrics, events, and real-time analytics
A time-series database for high-performance real-time analytics packaged as a Postgres extension
📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
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
🔎 Open source distributed and RESTful search engine.
- search
- search-engine
- analytics
- java
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
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
- sparse-vector
- hybrid-search
- bm25
- full-text-search
Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.
Golang driver for ClickHouse
- clickhouse
- database
- golang-driver
- analytics-database
High-performance time-series aggregation for PostgreSQL
- realtime
- stream-processing
- analytics
- sql
Blazingly fast analytics database that will rapidly devour all of your data.
Your single pane of glass for real-time analytics into MySQL/MariaDB & ProxySQL
- monitoring
- mysql
- python
Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster
A Modern C++ Data Sciences Toolkit
- nlp
- nlp-parsing
- search-engine
- inverted-index
Self-hostable, privacy-focused website analytics.
- analytics
- cookie-free
- privacy
- self-hosted
Open-source backend for Kepler.gl. Self-hosted alternative to CARTO and Foursquare Studio.
- athena
- bigquey
- deck-gl
- gis-platform
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.