Opteryx alternatives for AI agents.

ClickHouse® is a real-time analytics database management system

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

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.

Apache DataFusion SQL Query Engine

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.

Apache Spark - A unified analytics engine for large-scale data processing

DuckDB is an analytical in-process SQL database management system

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

Apache Flink

A time-series database for high-performance real-time analytics packaged as a Postgres extension

The official home of the Presto distributed SQL query engine for big data

Apache Beam is a unified programming model for Batch and Streaming data processing.

Universal command-line interface for SQL databases

Simple, Elastic-quality search for Postgres

SQL databases in Python, designed for simplicity, compatibility, and robustness.

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.