Life & fun · alternatives · 2026

24 alternatives to CalcFusion

Transform Excel Spreadsheets into APIs

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. CalcFusion launched in 2015; newer entries below may have overtaken it.

1TE
Turn Excel spreadsheets into APIs▲23
2015 · calcfusion.com · its alternatives →
2
Sheety▲974
Turn your Google Sheet into an API instantly, for free
2019 · sheety.co · its alternatives →
3
Turn an Excel file into a web application▲386
A collection of spreadsheet examples for turning Excel to web, editing online and building spreadsheet applications using Keikai.
2019 · keikai.io · its alternatives →
4
Sheetsu▲537
Turn Google Spreadsheet into API
2015 · sheetdb.io · its alternatives →
5
Sheetlabs – Turn your spreadsheets into APIs▲158
Sheetlabs lets you turn Excel and Google Sheets into powerful APIs. No development required!
2014 · sheetlabs.com · its alternatives →
6
SheetBest▲276
Turn a SpreadSheet (Google or Excel) into a REST API
2019 · sheetbest.com · its alternatives →
7CW
Create Web Calculators and APIs with Excel Spreadsheets▲9
2020 · lambdaxl.com · its alternatives →
8
Sheetlabs▲113
Build an API with just a spreadsheet
2014 · sheetlabs.com · its alternatives →
9
Turn a Google Spreadsheet into an API▲357
Use your Google Sheets as a JSON API. Connect Google Spreadsheets with your CRM or any other tool using JSON API and RESTful requests.
2015 · sheetsu.com · its alternatives →
10
API Castor▲138
Easily convert spreadsheets into accessible URL endpoints
2015 · its alternatives →
11
SheetDB 3.0▲157
Turn a Google Spreadsheet into a JSON API
2020 · sheetdb.io · its alternatives →
12
SpreadSimple▲366
A blazing-fast way to create and manage sites using Sheets
2020 · spreadsimple.com · its alternatives →
13
X-spreadsheet – A JavaScript canvas spreadsheet for web▲347
The project has been migrated to @wolf-table/table https://github.com/wolf-table/table - myliang/x-spreadsheet
2019 · github.com · its alternatives →
14
ManyExcel▲197
Convert your text into spreadsheet formulas with AI
2024 · its alternatives →
15
Sheety 2.0▲410
Turn your Google Sheet into a fully RESTful API
2019 · sheety.co · its alternatives →
16
GS-Calc – A modern spreadsheet with Python integration▲112
Process large (e.g. 4GB+) data sets in a spreadsheet. Load GB/32 million-row files in seconds and use them without any crashes using up to about 500GB RAM. Load/edit in-place/split/merge/clean CSV/text files with up to 32 million rows and 1 million columns. Use your Python functions as UDF formulas that can return to GS-Calc images and entire CSV files. Use a set of statistical pivot data functions. Solver functions virtually without limits for the number of variables. Create and display all popular chart types with millions of data points instantly. Suggestions…
2025 · citadel5.com · its alternatives →
17
Calcapp▲167
Build apps instead of spreadsheets
2018 · creator.calcapp.net · its alternatives →
18
Publisheet – Publish Excel sheets as interactive web pages▲188
Convert spreadsheets to web pages with formula support, right from within Excel. No coding required.
2019 · publisheet.com · its alternatives →
19
Slate▲109
Making Spreadsheets Understandable.
2014 · useslate.com · its alternatives →
20
SheetDB▲147
Turn a Google Spreadsheet into a RESTful API
2019 · sheetdb.io · its alternatives →
21
Machete▲173
Turns Excel files into awesome interactive web dashboards
2014 · machete.io · its alternatives →
22
SheetDB.io▲82
Turn a Google Spreadsheet into a JSON API
2023 · sheetdb.io · its alternatives →
23
Api Spreadsheets▲158
Instantly Use Your Spreadsheets as an API and Database
2020 · apispreadsheets.com · its alternatives →
24
Datanitro▲61
Build Better Spreadsheets with Python
2014 · its alternatives →

Also compare

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 →