These are working as of 2nd July 2021, some dispense once daily, once every hour etc Please return testnet coins when you're done testing so that others can keep building
https://testnet-faucet.mempool.co/
https://coinfaucet.eu/en/btc-testnet/
https://bitcoinfaucet.uo1.net/
https://onchain.io/bitcoin-testnet-faucet
tb1pm4zahg9adnpsd72udu7yvefng6jvud5qnzuc2nja9p8t2mej340qysr3dd
Would love get some tBTC, I'm trying to discover the space. Thanks in advance.