OfficeWeb – Open-source browser-based office suite with full privacy

Summary: OfficeWeb is a free, open-source office suite that runs entirely in the browser without downloads, installs, or cloud storage. It includes Writer, Calc, Impress, and Notes apps, supporting document editing, spreadsheets, presentations, and note-taking while keeping all data local for privacy.

What it does

OfficeWeb provides a WYSIWYG word processor, a formula-enabled spreadsheet, a slide builder with themes, and a notebook-style notes app, all accessible instantly in any browser without accounts or remote storage.

Who it's for

It is designed for users seeking a lightweight, privacy-focused alternative to cloud-based office suites that works on any device.

Why it matters

OfficeWeb solves the problem of data privacy by ensuring files never leave the user's device while offering essential office productivity tools.