Nansen - Blockchain analytics platform to identify rare opportunities
CoinsHub - All your crypto trades synchronized with no hassle
Wagmi - I was constantly going through OpenSea doing mental math to calculate my total NFT portfolio.
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Value.app - A simple way to track the value of any NFT portfolio in real time.
CoinStats - CoinStats is a cryptocurrency research and portfolio tracker, that allows to access market data on over 3000 cryptocurrencies, track bitcoin and altcoin investments.