Repository Index

Build, Measure and Grow iOS subscription business

• ios
• in-app-purchase
• in-app-purchases
• in-app-receipt

Real-time HFT bot for Polymarket crypto Up/Down markets combining CLOB order books, Chainlink feeds and multi-exchange prices with TWAP and Black-Scholes probability models; paper mode and backtests.

• black-scholes
• chainlink
• crypto
• hft

Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.

• golang
• fintech

PolyTutor overview of Polymarket trading bots: strategy guides (copy trading, market making, dump-hedge, last-seconds, sports), case studies, and engineering notes. Smart trading. Real edge.

• documentation
• polymarket
• polytutor
• prediction-markets

Golang library for querying and parsing OFX

• ofx
• golang
• finance
• parser

TranslatedA nutrition-pairing tool based on McDonald's China's official MCP: it expands each combo item by item to get official nutrition and official pricing, marks the price source of every amount, and honestly labels anything it cannot retrieve as "unknown" instead of filling in 0. Runs offline, no Token needed. Does not provide ordering capability.

• ai-agents
• china
• cli
• llm

ColdFusion payment processing library makes plumbing e-commerce apps easy. Charging credit cards has never been easier. Inspired by Ruby's ActiveMerchant.

• cfml
• coldfusion

The repository host gives no description.

Streaming-first technical indicators with a Rust core: native Python, Node.js and WebAssembly bindings plus a C ABI hub for C, C++, C#, Go, Java and R. 514 indicators, O(1) per-tick updates, no system dependencies. Drop-in TA-Lib replacement.

• algotrading
• backtesting
• bollinger-bands
• cryptocurrency

:chart_with_upwards_trend: A live cryptocurrency historical trade data blotter. Download live historical trade data from any cryptoexchange, be it for machine learning, backtesting/visualizing trading strategies or for Quantopian/Zipline.

• cryptocurrency
• exchange
• trade
• data

Javascript SDK for trading on cryptocurrency exchanges like FTX, OKX, Bybit, and more. Supports API data feeds and WebSocket. Built by the Compendium Team.

• api-wrapper
• bybit
• bybit-api
• bybit-websocket

PAYONE Payment Extension for Magento 2

• magento
• magento2
• magento2-extension
• payment-processing