Spreadsheet tooling for
the modern stack

Enhance your SaaS with spreadsheet functionality.
Empower your users with the programming language of business.

Run complex spreadsheets in your software, on the server or in the browser. Show results to end users. Maintain spreadsheets as code.

Python

TypeScript

Rust

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>>> import equalto
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>>> workbook = equalto.load("file.xlsx")
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>>> workbook["Sheet1!A1"].value = 100
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>>> workbook["Sheet1!B1"].formula = "=A1*2"
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>>> workbook["Sheet1!B1"].value
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200.0
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import { Workbook } from "@equalto/sheets";
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const workbook = new Workbook();
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workbook.cell('Sheet1!A1').value = 100;
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workbook.cell('Sheet1!B1').formula = '=A1*2';
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// prints 200.0
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console.log(workbook.cell('Sheet1!B1').value); 
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fn main() -> Result<(), equalto_calc::WorkbookError> {
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    let mut workbook = equalto_calc::Workbook::new()?;
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    workbook.set_value("Sheet1!A1", 100.0)?;
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    workbook.set_formula("Sheet1!A2", "=A1*2")?;
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    // 200
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    println!("{}", workbook.value("Sheet1!A2")?);
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    Ok(())
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}
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Display spreadsheets directly in your software. Let users modify data and formulas without ever leaving your app.

Let users analyze data in a spreadsheet-like environment. Transform and combine data using spreadsheet formulas. Build charts and graphs on top.

Manage spreadsheets using markup. Embed and maintain sophisticated calculators and models in Jamstack websites.

Enable users to create dynamic and personalized messages. Decide who sees what using familiar spreadsheet formulas.

Score database objects using spreadsheet formulas. Enable sophisticated configuration in your platform through a familiar interface.

Software's most used interface —

Accessible in your app

Headless Calculation engine

Run spreadsheets directly in your software, without reimplementing them in code.

Rust, compiled to Wasm, for high performance on the server and in the browser.

SDKs for a variety of languages (Python / TypeScript / Javascript + more).

Explore use cases

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>>> import equalto
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>>> workbook = equalto.load("file.xlsx")
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>>> workbook["Sheet1!A1"].value = 100
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>>> workbook["Sheet1!B1"].formula = "=A1*2"
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>>> workbook["Sheet1!B1"].value
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200.0
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Spreadsheet widget

Let users benefit from working with spreadsheets directly in your software.

Bindings for React.

Canvas-based virtual rendering to display large workbooks efficiently.

Explore use cases