Top 4 Python capital-gain Projects

BittyTax

41 397 9.1 Python

Crypto-currency tax calculator with support for all popular wallets, exchanges, explorers and migration from other crypto tax platforms
rp2

56 241 7.3 Python

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

Project mention: Coinbase + ledger cashing out | /r/CryptoTax | 2023-05-18

I recommend using RP2: it's a free, open-source, non-commercial, privacy-focused tax software that will track all your transactions and movements and generate the 8949 form. It's on Github: https://github.com/eprbell/rp2.

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
dali-rp2

12 58 8.6 Python

DaLI (Data Loader Interface) is a data loader and input generator for RP2 (https://pypi.org/project/rp2), the privacy-focused, free, open-source cryptocurrency tax calculator: DaLI removes the need to manually prepare RP2 input files. Just like RP2, DaLI is also free, open-source and it prioritizes user privacy.
StocksTax

1 3 3.7 Python

UK Capital Gains Tax Calculator for Stocks

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).