Summ (formerly Crypto Tax Calculator)
Pros
- Supports a wide range of exchanges and wallets
- Handles DeFi, NFTs, and complex transactions
- Multiple accounting methods available
- Generates tax reports for various jurisdictions
- Non-custodial, so you keep your private keys
Cons
- Paid plans can be expensive for high-volume traders
- Learning curve for beginners
- Customer support response times may vary