OfficeWeb: A free, open-source, browser-based office suite. No downloads, installs, sign-ups, or cloud storage required. - Writer: WYSIWYG word processor; HTML/text export. - Calc: Spreadsheet with formulas and cell formatting. - Impress: Slide builder with themes and presentation mode. - Notes: Notebook-style task lists and note-taking. The ultimate privacy-focused tool for instant productivity on any device.