Won't allow you to wield the full depth of functionality afforded by Circom, but it is an incredibly portable and simplifying tool that can be thought of as https://remix.ethereum.org/ for Circom
The SHIELD is a development framework for circom developers; SHIELD makes the circom circuits development and debugging easy as hardhat/truffle does for the smart solidity contracts; it also improves the developer experience and makes it attractive to increase the mass adoption of zkps.
