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.
Manage Firestore data in a spreadsheet-like UI, write Cloud Functions effortlessly in the browser, and connect to your favorite third party platforms such as SendGrid, Twilio, Algolia, Slack and more.
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.
Excel Online, part of Office Online, is the online version of Microsoft Excel.
Spreadsheet syncs with databases and business applications, enabling access to live business data, custom reporting, visualization, and analytics for various roles such as operators, marketers, analysts, and sales teams, including integrations with popular tools.
Create workflows from your spreadsheet. Avoid buying software for every other process and use the technology you already know. Automate data transfer between spreadsheets with 15+ features.
Spread32 is a mini-Excel with all of the basic features that you would expect in a competent spreadsheet program. Run macros, draw objects, generate charts, calculate functions and formulas, its all here. And it reads and writes xls, csv, text, and pxl formats.
Marple Insight offers powerful tools for interactive analysis of high-frequency time-series data. Engineers and scientists from automotive, aerospace and manufacturing use it to explore, visualise, and analyse sensor or test data.
Spreadsheet formulas can do almost anything and save you a lot of time, but only few of us are using their full potential. Useful Formulas makes it super easy to benefit from the power of formulas - just copy and paste.
Quadratic is a Web-based spreadsheet application with Python, SQL, and Formulas that runs in the browser and as a native app (via Electron).
Power full data grid with artificial core and virtualization. Based on modern mutable approach and row/column recombination. All popular features and much more: cell, range edit, fixed rows, columns etc. Full customization: editor, render, header...
Zen gives you all the missing tools you never knew you wanted in Google Sheets. Zen is an overlay that adds SQL-like capabilities to Google Sheets.
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