Dev tools · alternatives · 2026

24 alternatives to Keikai 5 Open Source Spreadsheet

Turn your Excel files into Web Apps Instantly

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Keikai 5 Open Source Spreadsheet launched in 2020; newer entries below may have overtaken it.

1. 1TA
   Turn an Excel file into a web application▲386

   2019 · keikai.io · its alternatives →

2. 2
   Keikai 1.0▲85

   Turn your Excel files into Web Apps Easily

   2019 · its alternatives →

3. 3
   Keikai▲79

   Fastest web spreadsheet for Big Data

   2018 · its alternatives →

4. 4
   Listly Chrome Extension▲379

   Convert webpages into Excel data in seconds

   2018 · its alternatives →

5. 5
   Sheety▲974

   Turn your Google Sheet into an API instantly, for free

   2019 · sheety.co · its alternatives →

6. 6ST
   SheetUI – Turn Google Sheets into Web Pages▲425

   2020 · sheetui.com · its alternatives →

7. 7
   Sheet Ninja▲339

   Ship vibe-coded apps. Your data stays in Google Sheets.

   Mar 2026 · sheetninja.io · its alternatives →

8. 8
   Sheetsu▲538

   Turn Google Spreadsheet into API

   2015 · its alternatives →

9. 9IV
   I've built a C# IDE, Runtime, and AppStore inside Excel▲670

   The project is called QueryStorm. It uses Roslyn to offer C# (and VB.NET) support in Excel, as an alternative to VBA. I've posted about it before, but a lot has changed since then so figured I'd share an update. The current version includes a host of new features, namely a C# debugger, support for NuGet packages, and the ability to publish Excel extensions to an "AppStore" (which is essentially a NuGet repository). The AppStore can be used by anyone with the (free) runtime component. Another great addition is the community license, which is a free license for individuals and small companies…

   2023 · querystorm.com · its alternatives →

10. 10
    GRID▲244

    Turn your spreadsheets into smart, interactive web documents

    2021 · its alternatives →

11. 11
    SheetBest▲276

    Turn a SpreadSheet (Google or Excel) into a REST API

    2019 · its alternatives →

12. 12
    Revosheets▲151

    Your one-stop spreadsheet editor

    2023 · its alternatives →

13. 13
    QuickSheet▲127

    Instantly create and edit spreadsheets from your menu bar

    2025 · apps.apple.com · its alternatives →

14. 14
    Mito Spreadsheet▲301

    Automate Excel reports without a computer science degree

    2024 · its alternatives →

15. 15ST
    Sheetlabs – Turn your spreadsheets into APIs▲158

    2014 · sheetlabs.com · its alternatives →

16. 16
    Murkstom Sheet▲93

    Build a native mobile app using Google Sheet

    2019 · its alternatives →

17. 17
    Bold▲197

    Create internal apps from your Google Sheets or Airtable

    2020 · its alternatives →

18. 18
    Sheet0▲151

    YOLO mode comes to spreadsheets

    Nov 2025 · sheet0.com · its alternatives →

19. 19PP
    Publisheet – Publish Excel sheets as interactive web pages▲188

    2019 · publisheet.com · its alternatives →

20. 20
    Zoho Sheet Extension & Web Clipper▲94

    Clip data and access spreadsheets in an instant

    2021 · its alternatives →

21. 21
    SheetHub▲65

    SheetHub turns your spreadsheets into a REST-ful JSON API

    2021 · its alternatives →

22. 22
    Arcane Sheets▲156

    New way to create and store spreadsheets on any devices.

    2019 · its alternatives →

23. 235K
    5 Kb Spreadsheet for the Web with copy paste▲23

    2020 · renanlecaro.github.io · its alternatives →

24. 24
    MagicFormula▲89

    Master Spreadsheet & Database - transform text into formulas

    2023 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →