Invoicing & Billing

Blazing fast, content-based search for visited websites

Image hosting and sharing software

Free Accounting Software

Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.

Miru | Time Tracking and Invoicing and Employee Benefits. Built using Ruby On Rails and ReactJS

Docker files for Invoice Ninja

Pure-python ZUGFeRD implementation

Web-based multi-user time-tracking application

Double-entry accounting & ERP for the web

Sell-Your-Saas is an Open Source solution to automate and sell any Web application as a SaaS service

Open Source Point of Sale is a web based point of sale system

A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.