Keikai Alternatives

Aspose.Cells for Cloud is a REST based API for processing spreadsheets in the cloud.

EtherCalc is a web spreadsheet.

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

This powerful and professional spreadsheet has all the tools you need to calculate, analyse, summarize, and present your data in numerical reports or colourful graphics.

free

Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for Spreadsheet Conversion Tool.

Simple Spreadsheet

Free Excel Viewer is a desktop application that enables you to view and edit Excel XLS/XLSX or more table formats on Windows without MS Office, and Excel installed.

Synchronizing, online-based word processor, part of Google Drive.

LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.

Convert spreadsheet to web application

paid Free Trial $5.0 / Monthly (BASIC plan billed yearly.)

SpreadsheetWEB is a no-code platform that helps businesses translate their collective Microsoft Excel expertise into robust web applications with limited or no reliance on IT resources.

paid Free Trial $99.0 / Monthly

Publish your Excel sheets to the web as dynamic web applications with formula support.

Tinysheet is a web-based simple, lightweight tool for making and editing spreadsheets on mobile or desktop.

Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat