⚡ https://ln.cash - Send QR voucher, supported by all wallets
⚡ https://paywithmoon.com - VISA card paid by LN, no KYC
⚡ https://lnbits.com - Various LN wallet tricks
⚡ https://river.com - Easy BTC DCA, withdraw to LN
⚡ https://lightningjoule.com/ - LN in Chrome extension
⚡ https://fixedfloat.com - Buy Monero with LN BTC
⚡ https://lightningnetwork.plus - Get LN liquidity
(I collected those on Mastodon)