Calc, part of the Apache OpenOffice suite, is a spreadsheet application. It is similar to Microsoft Excel , with a roughly equivalent range of features.


Keikai is described as 'The only Web Spreadsheet designed and architected for big data — and the fastest web spreadsheet regardless of size. Other advanced features include embeddable in your Web Apps, providing true Excel experiences and more' and is a Spreadsheet app in the office & productivity category. There are more than 50 alternatives to Keikai for a variety of platforms, including Web-based, Windows, Mac, Linux and Android apps. The best Keikai alternative is LibreOffice - Calc, which is both free and Open Source. Other great apps like Keikai are Microsoft Excel, Google Sheets, Airtable and IronCalc.
Calc, part of the Apache OpenOffice suite, is a spreadsheet application. It is similar to Microsoft Excel , with a roughly equivalent range of features.


NeoOffice is an office suite for Mac that is based on OpenOffice and LibreOffice. With NeoOffice, you can view, edit, and save OpenOffice documents, LibreOffice documents, and simple Microsoft Word, Excel, and PowerPoint documents.








Experience collaborative spreadsheets featuring real-time editing, AI-assisted analysis with over 350 functions, data automation tools, and seamless integration with over 1,000 apps. Enhanced security settings, a robust audit trail, and advanced visualization options cater to diverse data analysis needs.


Effortlessly build sophisticated applications without coding, transforming spreadsheets into versatile business tools. Utilize drag-and-drop features, integrate data from sources like Airtable and Google Sheets, and deploy across devices with secure data handling and pre-built templates.







WPS Spreadsheets, part of WPS Office , allows users to perform complex data calculation and analysis. The program is compatible with Microsoft Excel and possesses an interface that is similar to the latter.
Calligra Sheets is a fully-featured calculation and spreadsheet tool. Use it to quickly create and calculate various business-related spreadsheets, such as income and expenditure, employee working hours, etc.

A desktop publishing (DTP) and word processing application that is popular for large documents.

mtCellEdit is a lightweight spreadsheet program. It is a small, no frills program which is designed to handle simple day to day spreadsheet tasks.




TreeTime is a time planner, a to-do list manager, a knowledge base, a mind-map editor, a hierarchical note taker, a project planner, a family ancestry editor, accounting software, a hierarchical calculator, and more.




SolidSheets offers a user-friendly interface and powerful features to manage and analyze your data. Easily open, edit, and print CSV, SSFS/SSFS64, and XLSX files. With advanced formulas, charts, and machine learning algorithms, accelerate your workflow.
