market-data

VisualHFT Terminal: open-source observability and decision terminal for electronic trading desks. Live Level 2 order books, microstructure analytics, and quantitative execution monitoring.

SDKs for CoinAPI & FinFeedAPI

Lightweight connector for integration with Binance API

Self-hosted, open-source financial data MCP server for AI agents — SEC filings, XBRL financials, 13F holdings, insider & congressional trades, short interest, FRED, CFTC/CBOE and daily prices across 64 MCP tools. Equibles Cloud adds earnings call transcripts, live quotes, options chains with Greeks, guidance and a screener.

CCXT.NET – CryptoCurrency eXchange Trading Library for .NET

C#/.NET client library for the Bybit.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

IQFeed.CSharpApiClient is fastest and the most well-designed C# DTN IQFeed socket API connector available

C#/.NET client library for the Kraken.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

C#/.NET client library for the Kucoin.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

CoinGecko .Net Standard api wrapper

IEX Cloud API for C# and other .net languages. Supports SSE streaming

Event-driven algorithmic trading engine for .NET. Write a strategy once and run it unchanged in backtest, paper and live trading, deterministic, with fixed-point money and adapters for Binance, Bybit, OKX, Kraken, Bitget, Gate, KuCoin and Hyperliquid.

C#/.NET client library for the OKX.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

C#/.NET client library for the CoinEx.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

C#/.NET client library for the Bitget.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

C#/.NET client library for the Mexc.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

Intrinio C# SDK for Real-Time Stock Prices

A .NET library for retrieving real-time and historical financial data from Yahoo Finance and other popular sources.

C#/.NET client library for the BingX.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

Excel asynchronous client for obtaining live stock data from Yahoo/Google finance