is using data from these sources:
coingecko.com for price data and btc.com, cryptoid.info, bitcoingold.org, ethplorer.io, multiexplorer.com, blockchair.com, bitflyer.com for address balances.
Paste your addresses in the textarea, select a coin and hit the import button.
will periodically update the balance for these addresses.
Add Static Balances
Select a coin, a description and a balance.
These coins will be added to your portfolio and will keep track of the their current value but you will need to keep their balances updated manually.