Redux is a simple, truly extensible options framework for WordPress themes and plugins.

Library for Android In-App Billing (Version 3+)

A Node.js module for in-App-Purchase for iOS, Android, Amazon and Windows.

Open Source ERP, HRM, MRP, MPS

A framework to add patronage to your apps.

Easy work with virtual wallet

苹果内购组件，提供产品列表查询、添加购买、恢复购买、票据校验、自动续费订阅过期检测以及提供用户交易持久化等功能。

deftERP - Jakarta EE (Java EE 7 : JSF, JPA, EJB, CDI, Bean Validation)

Reading and Validating In App Purchase Receipt Locally.

A Simple and Lightweight framework for In App Purchase

thin framework for Unity.

Premiumer makes removing ads with a single in-app purchase on Android as easy as pie.

IAPHelper simply wraps the API of Apple's In-App Purchase using Swift.

Python In-app purchase validator for Apple AppStore and GooglePlay.

A simple and customisable in-app purchase button, written in Swift.

Build, Measure and Grow iOS subscription business

💰 A NativeScript plugin for making in-app purchases!

Rx wrapper for Billing Library with connection management

Apex is a self hosted sales, purchase, inventory and accounting solution for small businesses.

Npm module for Node.js to validate In-app purchases and Subscriptions on your backend

Betterlife Intelligent PSI(Purchase, Sales and Inventory) system

A Laravel Package for sending SMS using popular APIs.

A demo of In-App Purchase.苹果内购最详细教程

Open source software for POS and Automated Accounting.

An official read-only mirror of https://gitlab.com/flectra-hq/flectra , for bugs and issues, refer to gitlab repo.

In-App Billing for Android apps. It also supports RxJava. 100% Test coverage

A Pharmacy Web application project made in Django created for my Dad

Sample app to explain the In-App purchase implementation in Android using Play-billing library