BittyTax — Open-source cryptocurrency tax calculator for UK HMRC rules with capital gains computation (Same-Day, Bed & Breakfast, Section 104 Pool), 25+ transaction types, Excel/CSV import, wallet balance audit, PDF report generation, and Tkinter GUI interface

Privacy-focused, free, open-source cryptocurrency tax calculator for multiple countries: it handles multiple coins/exchanges and computes long/short-term capital gains, cost bases, in/out lot relationships/fractioning, and account balances. It supports FIFO, LIFO, HIFO and it outputs in form 8949 format. It has a programmable plugin architecture

Analysis of Interactive Brokers reports for tax reporting

prepare German tax statement with Tastyworks transaction history

Software for calculating cryptocurrency capital gains for tax purposes. Calculation with LIFO method, made in Italy for Italy.

Your CS2 cross-market transactions aggregator → clean Profit & pre-Tax reports. Fully local, 20 currencies, any time period

A library and a cli application to calculate annual tax reports

🚧 Work in progress - React frontend for CrypTax: software for calculating cryptocurrency capital gains for tax purposes. Calculation with LIFO method, made in Italy for Italy.

Tax Calculator done with PHP.

Tax Calculator done with JavaScript and jQuery.

Company

Income tax calculator

Калькулятор для расчёта НДФЛ по криптовалютным операциям в соответствии с законодательством РФ. Локальная утилита с веб-интерфейсом, работающая полностью автономно без регистрации и сохранения данных.