Repository Index

PHP implementation of Fowler's Money pattern.

• php
• money
• fowler-money-pattern
• currency

Active Merchant is a simple payment abstraction library extracted from Shopify. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent interface across all supported gateways.

Node.js library for the Stripe API.

• stripe
• stripe-sdk

Performance analysis of predictive (alpha) stock factors

• finance
• python
• pandas
• numpy

modular quant framework.

• stock
• quant
• fintech
• trading-platform

Your web application for managing personal data.

• dashboard
• dashboards
• manager
• symfony

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

• bitcoin

💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.

• accounting
• financial
• inventory
• bills

FinRL-X: An AI-Native Modular Infrastructure for Quantitative Trading

• deep-reinforcement-learning
• stock-trading
• a2c-algorithm
• ppo

A self-hosted open source application for managing your invoices, clients and payments.

• php
• invoices
• invoicing
• open-source

A Python Finance Library that focuses on the pricing and risk-management of Financial Derivatives, including fixed-income, equity, FX and credit derivatives.

• risk
• pricing
• risk-management
• asset-allocation

A high-frequency trading model using Interactive Brokers API with pairs and mean-reversion in Python

A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.

A Ruby Library for dealing with money and currency conversion.

• money
• exchange-rate
• ruby

Fava - web interface for Beancount

• beancount
• plaintext-accounting
• ledger

Python library for portfolio optimization, factor model construction, and risk management built on scikit-learn

• asset-allocation
• portfolio
• portfolio-optimization
• quantitative-finance

Bitcoin arbitrage - opportunity detector

Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.

• laravel
• stripe
• billing

A Java library for technical analysis.

• java-library
• stocks
• forex
• bitcoin

ATLAS by General Intelligence Capital — Self-improving AI trading agents using Karpathy-style autoresearch

Providing the solutions for high-frequency trading (HFT) strategies using data science approaches (Machine Learning) on Full Orderbook Tick Data.

• high-frequency-trading
• limit-order-book
• python
• machine-learning

A modern SaaS template/boilerplate built with SvelteKit, Tailwind, and Supabase. Includes marketing page, blog, subscriptions, auth, user dashboard, user settings, pricing page, and more.

• cloudflare
• saas
• saas-boilerplate
• saas-tools

A Terminal-style trading dashboard built entirely on free public market data. No API keys, no subscriptions.

Payments for Ruby on Rails apps

• subscription
• stripe
• pay
• engine