@dtax/tax-engine
Zero-dependency TypeScript library. Parse CSVs, compute capital gains, export Form 8949 / TXF.
dTax Developer Hub
Professional-grade crypto tax calculations as an npm package.
23 Exchange Parsers
Coinbase, Binance, Kraken, Gemini, Etherscan, Solscan, OKX, Bybit, and 15 more.
8 Cost-Basis Methods
FIFO, LIFO, HIFO, Specific ID, Germany FIFO, PMPA, Total Average, UK Share Pooling.
AGPL-3.0 Open Core
Free for open-source use. Commercial license available for SaaS products.