Apache Doris is an easy-to-use, high performance and unified analytics database.

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

Apache DataFusion SQL Query Engine

OctoSQL is a query tool that allows you to join, analyse and transform data from multiple databases and file formats using SQL.

M3 monorepo - Distributed TSDB, Aggregator and Query Engine, Prometheus Sidecar, Graphite Compatible, Metrics Platform

A MySQL-compatible relational database with a storage agnostic query engine. Implemented in Go.

Simple and powerful toolkit for BoltDB

Apache DataFusion Ballista Distributed Query Engine

World's fastest log analysis: λ + SQL + JSON + S3

The OpenCog (hyper-)graph database and graph rewriting system

A golang expression evaluator & Library to build SQL query engine based functionality.

Graph database implementing the RDF and SPARQL standards. Very fast and scales to more than a trillion triples on a single commodity machine

Fast. Embedded. Rust-native SQL database.

📬 A knowledge graph querying framework for JavaScript

AutoFilterer is a mini filtering framework library for dotnet. The main purpose of the library is to generate LINQ expressions for Entities over DTOs automatically. The first aim is to be compatible with Open API 3.0 Specifications

Pushdown cache for DataFusion

GigAPI is a Timeseries lakehouse for real-time data and sub-second queries, powered by DuckDB OLAP + Parquet Query Engine, Compactor w/ Cloud-Native Storage. Drop-in FDAP alternative ⭐

Federated mysql compatible proxy to elasticsearch, mongo, cassandra, big-table, google datastore

Databend 内幕大揭秘

Apache Doris MCP Server

Quick start: pip install jsoniq ⛈️ RumbleDB 2.0.0 "Lemon Ironwood" 🌳 for Apache Spark | Run queries on your large-scale, messy datasets (JSON, text, CSV, Parquet, Delta...) | Data Lakehouse with Updates, Scripting, Declarative Machine Learning and more

Firebolt Core is a free, self-hosted edition of Firebolt's distributed query engine (https://www.firebolt.io/); it provides high-performance data warehousing capabilities that can be deployed anywhere from a single laptop to enterprise datacenters.

Data-mining and Visualization components for RAD Studio

Query multiple APIs and DBs and join them in a single query

Ethereum utilities for Elixir

🚂 A framework for building SPARQL query engines in Javascript/Typescript

sqlrs is an in-process sql query engine

🦖 A SQL-on-everything Query Engine you can execute over multiple databases and file formats. Query your data, where it lives.

🛠️ A modular DOM manipulation library.

Datatype agnostic triple store & query engine API