SimpleSwap is an instant crypto swap service, running since 2018, that routes across 20+ centralized and decentralized providers. It lists 2,800+ cryptocurrencies on 100+ networks, with fixed and floating rates, no account for most swaps, and iOS/Android apps.
Swapuz is an instant crypto swap service, founded in 2019, that lists 760+ cryptocurrencies with fixed or floating rates and routes trades across centralized and decentralized exchanges. It includes many XMR pairs, WalletConnect deposits and an Android app.