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Lightweight Bitcoin payment processor written in easily deployable Python. Self custody donations and payments on-chain & Lightning network, directly connected to your own Bitcoin node! No middleman/custodian.
A libGDX cross-platform API for InApp purchasing.
Build, Measure and Grow iOS subscription business
Do stock correlations predict the market? 66 pre-registered tests, the data, and a triple pendulum that explains why not. If you have an idea you want me to try, submit it as a PR and I will test it and get back to you.
Stripe library for Vapor
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.
Your friendly Bitcoin Lightning ⚡ payment page ⚡
Analyze the Indonesian stock market (IDX/IHSG) from web terminal, CLI, or any AI agents via MCP server. IHSG Prices, Fundamentals, and Screening. Free and No API keys required. Changelog: https://github.com/fzn0x/idx/blob/main/CHANGELOG.md
Go middleware for monetizing your API on a per-request basis with Bitcoin and Lightning ⚡️
💸 Crypto Payments straight to your wallet. DePay simplifies Web3 integration for developers, harnessing DeFi to accept any token effortlessly. Integrate frictionless, real-time token conversion with sleek, customizable widgets designed for seamless user experience.
Payment Bundle providing access to the PayPal API
From Idea to Execution - Manage your trading operation across a distributed cluster
Frames iOS: making native card payments simple
ColdFusion payment processing library makes plumbing e-commerce apps easy. Charging credit cards has never been easier. Inspired by Ruby's ActiveMerchant.
AI-powered SDK featuring algorithmic trading, backtesting, deployment on 100+ exchanges, and multiple optimization engines.
Web application to manage CSA (Community Supported Agriculture), ACP (Agriculture Contractuelle de Proximité) or Solawi (Solidarische Landwirtschaft) organizations.
Flare is a lightweight, developer-friendly Swift framework that simplifies working with in-app purchases. It provides a clean, unified API over StoreKit and StoreKit 2, includes async/await-ready workflows, and offers built-in UI components for a seamless integration experience.
Research experiments exploring uncommon quant techniques.
Capacitor plugin to manage IAP on capacitor with latest libs Android IOS
Finance related Go functions (e.g. exchange rates, VAT number checking, …)
A Raspberry Pi 3 based payment module based on RFID.
Mollie Payments API client for Crystal http://www.mollie.com
A scriptable Widget showing your personal Crypto-Balances
Capacitor plugin to trigger native payment for iOS(Apple pay) and Android(Google Pay)