A terminal spreadsheet multitool for discovering and arranging data
...VisiData is a free, open-source tool that lets you quickly open, explore, summarize, and analyze datasets in your computer’s terminal. VisiData works with CSV files, Excel spreadsheets, SQL databases, and many other data sources.
A command-line client for SQL Server with auto-completion
mssql-cli is an interactive command line query tool for SQL Server. This open-source tool works cross-platform and is proud to be a part of the dbcli community. mssql-cli supports a rich interactive command line experience, with features such as auto-completion, fewer keystrokes needed to complete complicated queries. Syntax highlighting, highlights T-SQL keywords. Query history, easily complete an auto-suggested query that was previously executed.