I use these tools frequently , I will share more soon

An alternative to Metamask

The game-changing wallet for Ethereum and all EVM chains

rabby.io

Input any address to see what it's holding across all chains.

DeBank | The Real User Based Web3 Community

debank.com

A portfolio tracker app for you phone to keep track of your holdings.

Crypto & Bitcoin Tracker Trusted by 1 Million People Worldwide

CoinStats is the leading crypto and Bitcoin tracker on the market. Track over 20000 coins, 300 exchanges/wallets across 120 blockchains from a single platform

coinstats.app

another tool you can use to check your on chain holdings or the on chain holdings of any address.

zapper.xyz