TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Coinwink - Crypto alerts, watchlist and portfolio tracking app for Bitcoin, Ethereum, and other 3500+ crypto coins and tokens
Octobat - Octobat provides automated tax-compliance and accounting for digital businesses.
CoinMarketCal - All crypto events that help crypto traders at one place
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
Cryptorch API - Cryptorch API is an AI-powered machine learning utility that is used in forecasting the prices for various cryptocurrencies from Bitcoin to BitTorrent.