Hashstack

Hashstack builds critical infrastructure necessary to further the usability of decentralised finance. 

Our product, Open is a non-custodial money market protocol enabling secure under-collateralised loans on the blockchain. 
Through Hashstack's Open, anyone, anywhere around the world can access under-collateralised loans to the tune of upto three times their collateral, to meet personal finance, trading capital needs.

Currently in a public testnet at https://testnet.hashstack.finance, Hashstack's developing Open protocol on Starknet & Polygon in its mainnet version.