PyPI96Exceptionalhealth index
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npm · Packagist · Go +296Exceptionalhealth index

ccxt/ccxtA unified trading API with more than 100 crypto exchanges and prediction markets in JavaScript / TypeScript / Python / C# / PHP / Go / Java
Python · Go · C#★ 43.5K↓ 472.7K/moAug 5, 2026
PyPI94Exceptionalhealth index
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Maven93Exceptionalhealth index

questdb/questdbQuestDB is a high performance, open-source, time-series database
Java★ 17.2KAug 5, 2026
PyPI · npm · crates.io89Excellenthealth index
Rust · Python · TypeScript★ 716↓ 84.3K/moSep 5, 2026
npm88Excellenthealth index
stoqey/ibInteractive Brokers TWS/IB Gateway API client library for Node.js (TS)
TypeScript★ 328↓ 148.7K/moJul 25, 2026
PyPI87Excellenthealth index
Python★ 5,264Aug 28, 2026
crates.io · PyPI87Excellenthealth index
Verdenroz/finance-queryOpen-source API for financial data. Get quotes, historical data, technical indicators, and more.
Rust · Python★ 42↓ 171/moJul 17, 2026
PyPI · crates.io86Excellenthealth index

databento/dbnDatabento Binary Encoding (DBN) - Fast message encoding and storage format for market data
Rust · Python★ 170↓ 1.7M/moSep 5, 2026
npm83Excellenthealth index
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TypeScript · JavaScript★ 6↓ 1,609/moJul 28, 2026
npm83Excellenthealth index
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TypeScript · JavaScript · Python★ 1,978↓ 14.8K/moJul 18, 2026
npm81Excellenthealth index
TypeScript★ 748↓ 29.6K/moSep 5, 2026
crates.io81Excellenthealth index
Rust★ 108↓ 105.5K/moSep 5, 2026
NuGet80Excellenthealth index
C#★ 0Sep 4, 2026
bbalouki/itchcppHigh-Performance NASDAQ TotalView-ITCH 5.0 Parser & Market-Data Platform
C++★ 7Jul 25, 2026
tardis-dev/tardis-nodeConvenient access to tick-level real-time and historical cryptocurrency market data via Node.js
TypeScript★ 361↓ 8,669/moAug 3, 2026
PyPI · npm · crates.io77Goodhealth index
userFRM/ThetaDataDxMarket data SDKs for ThetaData — Rust, Python, TypeScript, and C++. Historical, real-time streaming, and bulk flat-file access through one authenticated client. No JVM, no local terminal.
Rust · Python★ 21↓ 1,633/moJul 20, 2026
JKorf/Bybit.NetA C# .netstandard client library for the Bybit REST and Websocket V5 API focusing on clear usage and models
C#★ 128Jul 29, 2026
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C#★ 116Jul 21, 2026
JKorf/Kucoin.NetA C# .netstandard client library for the Kucoin REST and Websocket Spot and Futures API focusing on clear usage and models
C#★ 117Jul 21, 2026
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C#★ 65Jul 21, 2026

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C++★ 730Aug 20, 2026
PyPI · crates.io75Goodhealth index
Python★ 42↓ 58.6K/moJul 19, 2026
TypeScript★ 103↓ 6,113/moJul 25, 2026
JKorf/CoinEx.NetA C# .netstandard client library for the CoinEx REST and Websocket Spot API focusing on clear usage and models
C#★ 55Jul 21, 2026
TypeScript★ 826↓ 1,259/moJul 22, 2026
JKorf/Coinbase.NetA C# .netstandard client library for the Bybit REST and Websocket V5 API focusing on clear usage and models
C#★ 15Jul 29, 2026
JKorf/Mexc.NetA C# .netstandard client library for the Mexc REST and Websocket Spot API focusing on clear usage and models
C#★ 23Jul 21, 2026
Python★ 27Jul 19, 2026
JKorf/BingX.NetA C# .netstandard client library for the BingX REST and Websocket Spot and Futures API focusing on clear usage and models
C#★ 21Jul 21, 2026