Universal semantic layer platform for AI, BI, spreadsheets
Miller is like awk, sed, cut, join, and sort for name-indexed data
sq data wrangler
An easy way to manage SQLite databases and query CSV files
Relational database replication tool based on XML Schema
Query data on the command line with SQL-like SELECTs powered by Python
Commandline tool for running SQL queries against JSON, CSV, Excel
Personal Query Servant
Open mineral exploration database system
Concise spatial query and representation system (c-squares)
A tool for doing record analysis and transformation
Command-line sql JDBC tool
Query Abstraction Layer
SQL user interface for JSON
A schema to describe ANSI/ISO SQL in XML and associated tools