UsTaxes 2.0
Open source tax filing web-app
UsTaxes 2.0 launched on January 28, 2022 with 83 votes, #536 of 2,891 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 4 years on.
What it does
UsTaxes is an open source web app for filing US federal income tax. All tax calculations are performed in the browser, so no personal information is stored on external servers!
UsTaxes is an open source webapp for filing US federal income tax. All tax calculations are performed in the browser, so no personal information is stored on external servers!
Does a similar job
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ustaxes.org – open-source tax filing webapp2021 · github.com · ▲465Tax filing web application. Contribute to thegrims/UsTaxes development by creating an account on GitHub.
- CFCalculator for US individual income tax, from 1970-present2022 · ▲497
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…
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