Directory
Open Source Tax Software.
Every project is a real GitHub repository, stats refreshed from the source. One listing per repo, reviewed by the community, claimed by its maintainer.
Tax Prep & Filing · Crypto & Capital GainsActive
BittyTax
BittyTax/BittyTax
Crypto-currency tax calculator with support for all popular wallets, exchanges, explorers and migration from other crypto tax platforms
Crypto & Capital GainsActive
capital-gains-calculator
KapJI/capital-gains-calculator
Calculate UK capital gains tax from broker exports — supports Charles Schwab, Trading 212, Morgan Stanley, Sharesight, Vanguard, and Freetrade.
Rules as Code · Policy & MicrosimulationActive
policyengine-uk
PolicyEngine/policyengine-uk
An open-source static tax-benefit microsimulation model for the UK.
Tax Calculators & Engines · Crypto & Capital GainsActive
beancount-plugin-tax-uk
Evernight/beancount-plugin-tax-uk
Beancount plugin for generating informational UK tax report (calculate capital gains tax)
For maintainers
How claiming worksBuild one of these? Verify ownership through GitHub and take over your project's page: tagline, categories, maintainer's note.