Apps similar to CoinPayments include be-BOP, which is free and open source. Other options are BTCPay Server, CoinGate, Plisio and CryptoPay - Crypto Payment Gateway. There's no shortage of Payment Gateways like CoinPayments, with more than 50 alternatives for the web, Android, iPhone, self-hosting and Mac.
PayRam is a self-hosted crypto payments processor. Accept payments without gatekeepers. Setup PayRam in under 10 minutes and start accepting payments from anyone, anywhere.
PrivCart is a crypto payment gateway for online stores. You add one line of code and your checkout takes 12 assets: XMR, BTC, ETH, LTC, SOL, USDT, USDC, USDS, DAI, WBTC, XAUT and ZCHF.
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