Dev tools · alternatives · 2026
24 alternatives to Calculator for US individual income tax, from 1970-present
I wanted to share a simple web app I created recently, which lets you estimate income taxes owed in the US: https://taxsim.app All the calculations occur directly in the browser, and are powered by a Fortran program that has been converted to WASM using emscripten. This calculator was originally developed in the 1970s [1] by the non-profit National Bureau of Economic Research. NBER has been maintaining this F77 codebase for the last 50 years, and uses it primarily for academic research on tax policy. The Fortran source code itself is over 1MB of text, because it codifies both…
This web app estimates US individual income taxes from 1970 to the present day. It runs calculations directly in the browser using a Fortran program converted to WebAssembly, originally developed in the 1970s by the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calculator for US individual income tax, from 1970-present launched in 2022; newer entries below may have overtaken it.
- 1IT
2015 · incometaxcalculator.net.in · its alternatives →
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Tax filing web application. Contribute to thegrims/UsTaxes development by creating an account on GitHub.
2021 · github.com · its alternatives →
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See how much you owe to state and federal in 7 sec
2019 · keepertax.com · its alternatives →
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Calculate income tax on your earnings in a few simple steps
2022 · hivepayroll.co.in · its alternatives →
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Calculates marginal tax for consultants, in both directions (net <-> gross). - kartickvad/Marginal-Tax-Calculator
2019 · github.com · its alternatives →
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2026 US tax calculator: federal, state & self-employment
Jul 2026 · us-tax-calculator.com · its alternatives →
- 10IB
2020 · taxmygig.com · its alternatives →
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Fast, private income tax estimation built for freelancers.
Jul 2026 · taxforfreelancers.online · its alternatives →
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Global income tax calculator
Nov 2025 · whatstheincometax.com · its alternatives →
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A web-based paycheck calculator has been built to reflect the latest 2025 federal and state tax policies across all 50 US states. It estimates after-tax income by accounting for federal, state, and FICA deductions, and supports different pay frequencies (weekly, bi-weekly, monthly, etc.). The intent is to provide an up-to-date, lightweight tool for anyone trying to quickly understand take-home pay. The design goal was simplicity: one page, minimal inputs, instant breakdown. Questions for the community: • What additional features would actually make this more useful (e.g., 401k, health…
2025 · paycheckcalc.app · its alternatives →
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I developed an intuitive, cross-platform tool to calculate net salaries in Germany. It simplifies the complexity of taxes, deductions, and social contributions while keeping a clean, minimalistic design. With straightforward functionality and clear visualizations, it helps users easily understand how their gross salary breaks down into take-home pay.
2024 · netsalarygui.de · its alternatives →
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ZipTax▲5Calculate and compare your taxes across States in the US
2024 · ziptax.org · its alternatives →
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TaxRadar▲3Free freelance tax calculator across all 50 US states
Jun 2026 · taxradar.xyz · its alternatives →
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Spaife▲3One running tax estimate across everything you earn
Sep 2026 · spaife.com · its alternatives →
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Calculate your wfh expense deductions
2024 · its alternatives →
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Free IRS-accurate financial calculators for Americans
May 2026 · usafincalc.com · its alternatives →
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Instant US take-home pay calculator — API + Chrome extension
Nov 2025 · chromewebstore.google.com · its alternatives →
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The metric app is very useful for tax calculation
Jul 2026 · themetricapp.com · its alternatives →
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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 →