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emailA collection of language tools and a Language Server Protocol (LSP) implementation for Postgres, focusing on developer experience and reliable SQL tooling.
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A ledger implementation in PostgreSQL.
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Cloud-native stream processing. Distributed stream processing engine in Rust.
Transform, filter, aggregate, and join data streams by writing SQL, with sub-second results.
Scale from zero to millions of events per second.
Arroyo is a distributed stream processing engine written in Rust, designed to efficiently perform stateful computations on streams of data. Unlike traditional batch processing, streaming engines can operate on both bounded and unbounded sources, emitting results as soon as they are available.
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The Headless CMS + Backend for Every Custom Build.
Directus is a real-time API and App dashboard for managing SQL database content.
The flexible backend for all your projects 
Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
Built for developers who need more than just a CMS. Manage complex content structures, handle digital assets, and control user permissions – all through an intuitive Studio.
Open Source, Multi Cloud, Analytics, IaC, more.
Provision. Query. Secure.
Query, provision and operate Cloud and SaaS resources and APIs using an extensible SQL based framework.
Deploy, manage and query cloud resources and interact with APIs using SQL.
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@ Madza's dev.to
SQL Indexing and Tuning e-Book for developers.
Use The Index, Luke covers Oracle, MySQL, PostgreSQL, SQL Server, ...
A site explaining SQL indexing to developers—no crap about administration.
SQL indexing is the most effective tuning method—yet it is often neglected during development. Use The Index, Luke explains SQL indexing from grounds up and doesn’t stop at ORM tools like Hibernate.
A Detective SQL Game
SQL Noir is an interactive mystery-solving game where you crack cases by writing SQL queries.
Efficient data transformation and modeling framework that is backwards compatible with dbt.
SQLMesh is a next-generation data transformation framework designed to ship data quickly, efficiently, and without error. Data teams can efficiently run and deploy data transformations written in SQL or Python with visibility and control at any size.
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Visualizing and understanding PostgreSQL EXPLAIN plans made easy.
A VueJS component to show a graphical vizualization of a PostgreSQL execution plan.
review Postgres query plans quickly.
A simple yet powerful tool to help you speed up queries. pgMustard speeds up your journey from knowing which query is a problem to working out what can be done about it.
Query SQL database through an array-like API.
The lightweight, user-friendly, distributed relational database built on SQLite.
Fault tolerance and high availability with zero hassle.
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Easily ask questions about your Linux, Windows, and macOS infrastructure.
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OSQuery : L'outil Linux qui te parle en SQL ! 
@ Laurent Biagiotti's LinkedIn 
SQL-like Querying for Various Data Sources.
Musoq lets you use SQL-like queries on files, directories, images and other data sources without a database. It's designed to ease life for developers.
Musoq is a tool that lets developers and IT professionals query different data sources using SQL-like syntax, without needing to import data into a database first. It’s designed for scenarios where you need to analyze files, directories, archives, or other data sources quickly and efficiently.
Data Runs Better on SDF. Transform Data Better with SDF.
SDF is the fastest way to build a scalable, reliable, and optimized data warehouse.
SDF is a developer platform for data that scales SQL understanding across an organization, empowering all data teams to unlock the full potential of their data.
SDF is a multi-dialect SQL compiler, transformation framework, and analytical database engine. It natively compiles SQL dialects, like Snowflake, and connects to their corresponding data warehouses to materialize models.
A CLI tool for analyzing queries and DB tables for MySQL.
The Database Toolkit for Python.
SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.
It provides a full suite of well known enterprise-level persistence patterns, designed for efficient and high-performing database access, adapted into a simple and Pythonic domain language.
Distributed SQL Databases
Fastest serverless distributed SQL database for always available applications.
SQL language server written in Go.
sqls aims to provide advanced intelligence for you to edit sql in your own editor.
Open-source sQL AI Agent. Text2SQL made Easy!
Wren AI is an open-source SQL AI Agent that empowers data, product, and business teams to access insights through AI chat, built-in well designed intuitive UI and UX, integrating seamlessly with tools like Excel and Google Sheets.