83 Open Source Billing Software Projects
Free and open source billing code projects including engines, APIs, generators, and tools.
Invoiceplane 1700 ⭐
A self-hosted open source application for managing your invoices, clients and payments.
Grafiteinc Builder 1009 ⭐
Prepare your Laravel apps incredibly fast, with various commands, services, facades and boilerplates.
Gauzy 243 ⭐
Gauzy™ - Open-Source Business Management Platform (ERP/CRM) focused on Fairness and Transparency
Invoiceneko 195 ⭐
An Open Sourced Invoice System developed for anyone who needs to generate out an invoice and manage clients
Stripe Billing Typographic 183 ⭐
⚡️Typographic is a webfont service (and demo) built with Stripe Billing.
Premiumer 153 ⭐
Premiumer makes removing ads with a single in-app purchase on Android as easy as pie.
Node Sales Tax 156 ⭐
:moneybag: International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.
Paysuper Billing Server 84 ⭐
A core monolith-like service with all payment processing business logic in PaySuper.
Healthplus 60 ⭐
A Management System for a Health Care Facility. The system includes Registration of patients, Making appointments, Storing patient records, Billing in the pharmacy & Pharmacy stock controlling
Azure Functions Billing 45 ⭐
Azure Functions v2 with .NET Core - billing in serverless architecture.
Paysuper Dashboard 37 ⭐
An administrative dashboard and a BFF-server on top of PaySuper management REST API.
Recurly 34 ⭐
A Recurly API client written in golang. Actively maintained and unit tested. No external dependencies.
MoqUI Hivemind 33 ⭐
HiveMind is a project management and ERP application for services organizations. It features project/task management, request tracking, time tracking, expenses, invoices/payments, general ledger, and content management (wiki). HiveMind is based on Moqui Framework, Mantle Business Artifacts, and Simple Screens.
Cashier Paystack 33 ⭐
Cashier provides an expressive, fluent interface to Paystack's subscription billing services.
Android Easy Checkout 30 ⭐
In-App Billing for Android apps. It also supports RxJava. 100% Test coverage
Zensavona Paypal 28 ⭐
:money_with_wings: PayPal REST API client for the Elixir language (elixir-lang)
Aws Billing Slack Lambda 23 ⭐
Simple AWS Lambda powered Slack bot that reports your AWS Costs for the current month to a channel
Yii2 Sberbank Pay 24 ⭐
Модуль позволяет организовать прием платежей через шлюз Сбербанка на вашем yii2-проекте. Если данный модуль вам пригодился, то нас можно отблагодарить, поставив репозиторию ⭐
Php Multi Cloud School Management 20 ⭐
A web app to create cloud school management software,lets say a wordpress.com for schools
Aws Lambda Billing Slack Notification 15 ⭐
Node.js 8.0 以降向けのAWS当月利用料金Slack通知スクリプト （雑なのでリファクタリングPR大募集！）
Billing 14 ⭐
A general purpose interface to Stripe that's optimized for Laravel 5 SaaS applications.
Online Invoicing System 14 ⭐
Easy and lean invoicing for small businesses, consultants and freelancers, created using AppGini
Smart Cnab 11 ⭐
A package for general manipulation of CNAB files, generation of remittances and parsing of returns using a normalized fields structure.
Django Obm 10 ⭐
Django app that provide REST API and ORM-integrated interface for interaction with blockchains.