Best Free AI SQL Query Builder tools

An open-source experiment that provides a SQL interface for Xarray datasets, enabling SQL queries on scientific array data.

Open-source semantic SQL inspector that catches double-counting, wrong join keys, and additivity violations before queries run, with zero network calls.

Polygres combines PostgreSQL hosting with native graph traversal, HNSW vector search, and hybrid retrieval APIs for AI agent workflows.

Turn your AI coding agent into a finance and economy analyst with real-time access to official statistics and live market data.

AI-native business intelligence platform for building dashboards, queries, and automations using natural language.

A high-performance MCP server that brings PostgreSQL into Claude Desktop and any MCP-compatible AI tool with 135 built-in tools.

Alkemi DataLab is an AI-powered data analytics tool that connects to your data sources and lets you ask questions in plain English to get instant insights and automate reports.

Hex is an AI analytics platform for teams to explore data, build notebooks and apps, and ask trusted questions from shared business context.

DeepSQL is an AI DBA that monitors workloads, optimizes slow queries, and cuts database costs via a self-hosted agent with MCP and Slack integration.

An open-source experiment that provides a SQL interface for Xarray datasets, enabling SQL queries on scientific array data.

Open-source semantic SQL inspector that catches double-counting, wrong join keys, and additivity violations before queries run, with zero network calls.

Polygres combines PostgreSQL hosting with native graph traversal, HNSW vector search, and hybrid retrieval APIs for AI agent workflows.

Turn your AI coding agent into a finance and economy analyst with real-time access to official statistics and live market data.

AI-native business intelligence platform for building dashboards, queries, and automations using natural language.

A high-performance MCP server that brings PostgreSQL into Claude Desktop and any MCP-compatible AI tool with 135 built-in tools.

Alkemi DataLab is an AI-powered data analytics tool that connects to your data sources and lets you ask questions in plain English to get instant insights and automate reports.

Hex is an AI analytics platform for teams to explore data, build notebooks and apps, and ask trusted questions from shared business context.

DeepSQL is an AI DBA that monitors workloads, optimizes slow queries, and cuts database costs via a self-hosted agent with MCP and Slack integration.

An open-source experiment that provides a SQL interface for Xarray datasets, enabling SQL queries on scientific array data.

Open-source semantic SQL inspector that catches double-counting, wrong join keys, and additivity violations before queries run, with zero network calls.