DUCKQUANT / THE QUANT & AI DIRECTORY
4,091 resources, ranked by in-directory PageRank
A curated list of tools, platforms, datasets, libraries, research resources, and learning materials for finance.
A curated list of high-quality APIs, SDKs, developer tools, open data sources, and API design resources.
C++ - Self-hosted crypto trading bot (automated high frequency market making) written in C++
Validate card numbers, expiration dates, and CVV as users type (from Braintree)
Minimal, beautiful credit card form component that works in a single line of code
Knowledge base for billing and payments covering invoicing, pricing, accounting, marketplaces, and fraud
Apache project providing core banking functionality used by financial institutions serving the underbanked
ISO 8583 gateway for banking and POS system communication
Connection handling and request/reply matching for ISO 8583 in Go
Reader, writer, and validator for X9 Image Cash Letter (Check 21) files used in US check clearing
Unified API for integrating dozens of payment gateways in Elixir/Phoenix applications
Open database and tools for sanctions lists, politically exposed persons (PEP), and persons of interest used in KYC/AML
Real-time usage metering and aggregation for usage-based billing of APIs and infrastructure
Parser and generator for Metro 2 consumer credit reporting files used by credit bureaus
Netty-based Java ISO 8583 client and server for connecting to card and POS networks
payments platform for ISO 8583, ISO 20022, and EMV, used in production gateways and switches since 1998
Financial transactions database designed for mission-critical safety and high throughput
Immutable, scalable ledger service for recording financial transactions with strong auditability
based Typst engine and sidecar for sub-millisecond receipt generation, PDF/A-3b hybrid invoices, and Factur-X compliance
library to parse, validate, and format standard numbers including IBAN, VAT IDs, and national identifiers
parser and business model for ISO 20022 MX messages (pacs, camt, pain, and related sets)
model and parsers for SWIFT MT (FIN) messages used in correspondent banking
Guide to PCI DSS compliance for fintech companies handling payment data
Official JavaScript integration components for PayPal Buttons and Checkout experiences
SVG webfont of payment system and ecommerce icons for web applications
Create, calculate, and format money in JavaScript and TypeScript
A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
Create ACH, SEPA, FedNow, SWIFT, RTP payment initiations and process bank statements. Used in production to move hundreds of thousands of dollars a month.
Parser and writer for FedWire funds service files used for high-value US dollar transfers
Transpiled version of the CCXT exchange library to Go (Golang)
Transpilation of the popular ccxt library into Rust
Public repository by 51bitquant. Primary language: Python.
Rust implementation of the CCXT exchange connectivity model for high-performance trading systems.
Exchange connector over ccxt and kafka
Public repository by yinruiqing. Primary language: Jupyter Notebook.
