Brandon Greenwell maintains a focused catalog of command-line utilities that extend the Windows terminal into a lightweight data-analysis environment. The centerpiece, xleak, turns the console into an interactive spreadsheet viewer: large Excel files open instantly as navigable crosstabs, cell formulae are evaluated on the fly, regular-expression search highlights matches across worksheets, and filtered segments can be exported to CSV or Markdown without ever launching a full office suite. Typical use cases include auditors who need to eyeball multi-sheet reports on locked client machines, DevOps engineers checking log extracts that arrive as xlsx attachments, and data-science teams who want a quick sanity check of a dataset before writing Python or R scripts. Because the tool is keyboard-driven and uses a minimal TUI, it runs happily over SSH, inside Windows Terminal panes, or embedded in PowerShell automation loops, making it a convenient bridge between corporate Excel workflows and command-line pipelines. The publisher’s broader ethos is to create single-purpose, dependency-free binaries that slot into existing toolchains rather than replace them, so xleak ships as a standalone exe that requires no Office libraries, no .NET runtime beyond what Windows already carries, and no administrator rights. Brandon Greenwell’s software is available free of charge on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always install the latest release, and can be queued for batch installation alongside other utilities.
Terminal Excel viewer with interactive TUI, search, formulas, and export
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