[Etherscan] or [BscScan], which allow users to view and analyze the code of any smart contract deployed on Ethereum or Binance Smart Chain (BSC), respectively. 2. [Solidity Visual Auditor], which allows users to visualize and audit the code of any smart contract written in Solidity, the most popular programming language for smart contracts. 3. [MythX], which allows users to scan and detect any security vulnerabilities or bugs in any smart contract.