purchase

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

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

Easy work with virtual wallet

Reading and Validating In App Purchase Receipt Locally.

A framework to add patronage to your apps.

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。

iOS SDK for cross-platform in-app purchase and subscription infrastructure, revenue analytics, engagement automation, and integrations

A Simple and Lightweight framework for In App Purchase

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

thin framework for Unity.

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

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

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

Build, Measure and Grow iOS subscription business

Android Library for easing Google Play Billing to your apps with support for Subscriptions, In-App Purchases and Consumables with a beautiful sample app.

QuickShop is a shop plugin that allows players to easily sell/buy any items from a chest without any commands. In fact, none of the commands that QuickShop provides are ever needed by a player.

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

💰 A NativeScript plugin for making in-app purchases!

Rx wrapper for Billing Library with connection management

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

Open source software for POS and Automated Accounting.

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

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

Betterlife Intelligent PSI(Purchase, Sales and Inventory) system

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

([Swift] https://github.com/dgynfi/DYFStore) A lightweight and easy-to-use iOS library for In-App Purchases (Objective-C). DYFStoreKit uses blocks and notifications to wrap StoreKit, provides receipt verification and transaction persistence and doesn't require any external dependencies.

Odoo Best Practices - Online Book

It is java accounting software basically developed using javafx which has various modules like purchase, sales, receipts, payments, and journals.