ThinkFree Office Calc is a cloud‑based spreadsheet solution offering collaborative editing and familiar Excel‑like features. Looking for alternative spreadsheet software? Here are 20 options you can consider.
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Industry‑standard desktop and web spreadsheet app with powerful formulas, pivot tables, and extensive add‑in ecosystem.
Web‑based spreadsheet with real‑time collaboration, AI‑driven insights, and seamless integration with Google Workspace.
Free, open‑source spreadsheet offering Excel compatibility, advanced data analysis tools, and cross‑platform support.
Open‑source spreadsheet with a familiar interface, robust charting, and support for a wide range of file formats.
Online spreadsheet with AI‑assisted data cleaning, real‑time collaboration, and integration across Zoho’s business suite.
Mac‑ and iOS‑focused spreadsheet with beautiful templates, interactive charts, and seamless iCloud syncing.
Lightweight spreadsheet compatible with Excel formats, offering cloud storage and a free tier for personal use.
Collaborative spreadsheet with full Office compatibility, version control, and integration into OnlyOffice Docs suite.
Hybrid spreadsheet‑database platform that lets you build flexible, relational tables with rich field types.
Work‑execution platform that combines spreadsheet‑style grids with project‑management features and automation.
Collaborative docs and spreadsheets built for teams, with chat, task lists, and real‑time editing.
All‑in‑one doc that blends spreadsheets, databases, and apps, enabling powerful automations.
Flexible workspace where tables act like spreadsheets, supporting linked databases and rich media.
Open‑source, web‑based collaborative spreadsheet that requires no sign‑up and works in any browser.
Lightweight, open‑source spreadsheet for Linux with accurate statistical functions and import/export support.
Enterprise‑grade online office suite (based on LibreOffice) offering real‑time collaborative spreadsheets.
Automation tool that connects spreadsheets, allowing data pipelines between Google Sheets, Excel, and CSV files.
Cross‑platform office suite with a spreadsheet component that supports Excel formats and cloud sync.
Free, browser‑based version of Microsoft Excel with real‑time co‑authoring and OneDrive integration.
Part of Zoho Workplace, this online sheet adds collaborative editing, data validation, and AI‑driven suggestions.