spreadsheet

LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice). Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.

The Free and Open Productivity Suite

All the tools you need to work with text documents, spreadsheets, presentations, and fillable forms on Windows, Linux, and macOS.

Online document for real-time multi-person collaboration

Xcas is a free computer algebra system for Windows.

GS-Base is a database that lets you store any type of data, text and numeric fields, dates, long text memo fields, files, images, code snippets with syntax highlighting for 16 programming languages.

A fast, local-first spreadsheet for serious data work.

Vovsoft Spreadsheet Combiner is an efficient software designed to streamline the process of merging multiple Excel files effortlessly.

GS-Calc is a modern spreadsheet with unique capabilities for processing big data sets.

Terminal Excel viewer with interactive TUI, search, formulas, and export

Convert legacy documents, spreadsheets, presentations, and images to modern formats.

Convert Lotus 1-2-3 spreadsheets locally to XLSX, PDF, CSV, and more.

A free office suite fully compatible with Microsoft Office

Compute how complex your Excel files are

View an Excel sheet on top of other windows and translucent

Represent your Excel sheet data in a tree

A online document that supports multi-user and multi-platform collaborative editing.