Sheets Spreadsheets in Your Terminal (github.com)

Sheets is a terminal-based spreadsheet tool (written in Go) that provides a text UI for viewing, editing, and navigating CSV data. It supports reading from files or stdin, jumping to cells or ranges, and using keyboard-driven commands for search, selection, editing, and formula insertion. Installation is via Go tooling or prebuilt binaries, with the project released under the MIT license.