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Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
Download market data from Yahoo! Finance's API
Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers
Your AI trading terminal assistant for US stocks, commodities, forex, and crypto.
ValueCell is a community-driven, multi-agent platform for financial applications.
Portfolio analytics for quants, written in Python
Financial portfolio optimization in python, including classical efficient frontier, Black-Litterman, Hierarchical Risk Parity
A framework agnostic, multi-gateway payment processing library for PHP 5.6+
MCP server for market analysis in AI assistants: screeners, multi-timeframe technical analysis, backtests and sentiment for crypto, stocks, forex and futures. 39 tools. Self-host free, or use the hosted version, TradingMCP.
Portfolio Optimization in Python
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.
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.
A comprehensive quantitative trading system with AI-powered analysis, real-time data processing, and advanced risk management
Stock market analyzer and predictor using Elasticsearch, Twitter, News headlines and Python natural language processing and sentiment analysis
Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.
One home instead of many subscriptions. Yuvomi is a self-hosted family planner: tasks, calendar, budget, meals, shopping, health and more in one PWA on your own server or NAS. Docker, Podman, TrueNAS, Umbrel, Unraid, Portainer, Home Assistant, YunoHost, Proxmox. No tracking, MIT.
Trading bot running on Bybit, Bitget, OKX, GateIO, Binance, Kucoin, WEEX and Hyperliquid
PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.
美股与全球市场数据工具包（给 AI 编程助手用）：官方源优先、零鉴权、标注合规级别 | US & global market data for AI coding assistants — zero-auth, official sources. CBOE options + 0DTE, VIX term structure, FINRA short data, SEC Form 4/13F, central-bank rates & FX, Taiwan exchanges, EIA energy, BLS US macro & jobless claims. 17 layers, 50+ endpoints, 18 sources, each compliance-tiered.
Rust library for quantitative finance.
Python AutoML for Trading Systems and Sports Betting
HTTP API and MCP server for AKShare: fetch financial data from any programming language or AI assistant (Claude, Cursor)
The official Python client library for the Massive.com REST and WebSocket API.
A Laravel and Filament-powered accounting platform featuring full double-entry accrual accounting, delivering modern automation for professional financial management.