Top 20 NuGet digifinex Packages
ExchangeSharp is a C# API for working with various cryptocurrency exchanges. Web sockets are also supported for some exchanges.
Trading and algorithmic trading platform (stock markets, forex, bitcoins and options). .NET API for InteractiveBrokers, GainCapital, OANDA, FIX/FAST, Binance etc. More info on web site https://stocksharp.com/products/api/