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Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.
TuShare is a utility for crawling historical data of China stocks
Python quantitative trading strategies including VIX Calculator, Pattern Recognition, Commodity Trading Advisor, Monte Carlo, Options Straddle, Shooting Star, London Breakout, Heikin-Ashi, Pair Trading, RSI, Bollinger Bands, Parabolic SAR, Dual Thrust, Awesome, MACD
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
Polar — A billing platform for the intelligence era
Online Accounting Software
Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co
Open-Source Subscription Billing & Payments Platform
A self-hosted open source application for managing your invoices, clients and payments.
A Ruby Library for dealing with money and currency conversion.
Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.
High-performance technical analysis indicators and backtesting framework in Go. Zero dependencies. ✨ See how! 👀
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.
Simple and elegant invoicing solution.
Modern & private time tracking for macOS & Windows. No cloud, no registration, no paywall. Just download and track your work hours 100% offline.
Double-entry accounting & ERP for the web
A complete payment library for Elixir and Phoenix Framework
Web-based software to manage a non-profit food coop (product catalog, ordering, accounting, job scheduling).
Rails 8 app template: Devise auth, Stripe billing, Tailwind CSS, admin panel, SEO helpers, etc
A payment processing library for Elixir
Aegis CrossMarket: cross-market desk for CS2 items — net-return math, currency conversion and quote polling in a native Rust shell.
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.
A lightweight solution for handling and storing money.