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 SaaS 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.
PlanMaker is a Microsoft Excel-compatible spreadsheet, part of SoftMaker FreeOffice, that opens all your Excel workbooks directly and gives you many time-saving features.
Germany
EU
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.
United States
Combines robust spreadsheets with built-in integrations from business apps, enabling workflow automation. Interactive sharing enhances tasks across sectors like Sales, Marketing, and Operations, while data enrichment and API integration refine tools. Creative elements and real-time collaboration foster innovation.
GermanyEU
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.
GermanyEU
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.
GermanyEU
SC-IM - Spreadsheet Calculator Improvised – An ncurses spreadsheet program for the terminal.
Argentina
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.
India
A lightweight, native Mac spreadsheet app. Open and save .xlsx files in-place. 200+ formulas, charts, conditional formatting.
United Kingdom
Digia is a low-code app builder that lets brands launch fully native apps instantly. With server-driven releases, update flows in real-time without rebuilds or app store approvals.
India
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.
A desktop publishing (DTP) and word processing application that is popular for large documents.
United States
China
