Top 20 Alternatives to EtherCalc in Spreadsheet Software

Cloud‑based spreadsheet from Google Workspace with real‑time multi‑user editing, AI‑assisted insights, and seamless integration with other Google services.

Web version of the classic Excel workbook, offering familiar formulas, pivot tables, and live co‑authoring within Microsoft 365.

Collaborative spreadsheet in the Zoho Office Suite, featuring AI‑driven data cleaning, charting, and integration with Zoho CRM and other apps.

Hybrid spreadsheet‑database platform with rich field types, visual views (grid, kanban, calendar), and powerful automation.

Enterprise‑grade work execution platform that extends spreadsheets with project‑management features, Gantt charts, and workflow automation.

Open‑source online office suite offering a full‑featured spreadsheet editor with real‑time collaboration and compatibility with Excel formats.

Web‑based version of LibreOffice that provides collaborative editing of Calc spreadsheets with strong format fidelity.

Free desktop spreadsheet application, part of the LibreOffice suite, supporting extensive functions, macros, and offline work.

Apple’s cloud‑enabled spreadsheet with a focus on visual design, templates, and seamless sync across macOS, iOS, and the web.

Lightweight spreadsheet component of the WPS Office suite, compatible with Excel files and offering cloud collaboration.

Salesforce‑owned collaborative workspace that blends spreadsheets, documents, and chat for team‑centric workflows.

Doc‑first platform where tables act like spreadsheets but can be combined with rich text, buttons, and automations.

All‑in‑one workspace where database tables function as flexible spreadsheets with linked views and formulas.

Open‑source online spreadsheet/database hybrid with real‑time collaboration, API access, and self‑hosting options.

Turn any SQL database into a smart spreadsheet interface; supports Airtable‑like views and collaborative editing.

No‑code database platform with a spreadsheet‑style UI, collaborative editing, and self‑hostable open‑source edition.

Relational spreadsheet that lets you build powerful data apps with formulas, lookups, and custom widgets.

Combines spreadsheet flexibility with database power, offering API integrations, automation, and collaborative views.

Open‑source Firebase‑backed spreadsheet that provides real‑time collaboration and serverless functions directly from the grid.

Turns Google Sheets into a RESTful API, enabling developers to read/write spreadsheet data programmatically while retaining Google’s UI.