Free Open Source ERP CRM Software Accounting Invoicing | Node Js React

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

Create and manage invoices in your browser. Serverless Invoices is a free invoicing tool for freelancers and small businesses. Made with Vue.js.

A self-hosted open-source application built with CodeIgniter and Bootstrap. Features include electronic invoicing, PDF generation, invoice status tracking, client and item management, employee permissions, protocols, warranties, import/export (Excel, XML), reporting, and a multi-language platform.

Self-hosted invoicing without the bloat.

Most Advanced POS, Billing, Inventory & Invoicing Software which can perfectly fit on your WholeSale & Retail Business --- Demo :

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

Invoicika is an invoice mangement system software made with ASP.NET 10 Core Web API, Angular 16 and SQL Server

An invoicing application, with a web interface. Create & dispatch manual & automated PDF invoices.

Open Source Headless ERP CRM E-Commerce Accounting Software | Node Js React

Scala interface to NAV Online Invoicing API 3.0

A dead-simple, easy-to-use minimalist billing application.

PHP library for online invoicing software wefact.nl

PoC- All-in-one ERP solution: CRM, CMS, customer/employees management, reminder, organizer, simple and recurring billing system, ticketing system, notepad, financial reporting.

An Electron React.js Invoice App Made For Small Businesses

Detailed comparison of Vyapar, Zoho Invoice, and INVBot for Indian shop owners in 2026. Compare GST compliance, pricing, OCR features, inventory management, and multi-currency support to choose the best billing app.

InvoiceXLetter optimizes your invoicing workflow by automatically adding a recipient address page to PDFs, streamlining preparation for faster shipping with windowed envelopes.

🚀 Biologix: Innovative Chemistry Software Discover Biologix, a Visual Basic project transforming invoicing into a streamlined experience. Born in 2015, it's more than software—it's an immersive suite for a fictional chemical world. From secure logins to advanced calculators, every line of code is dedicated to user-friendly interactions. Explore

Momentum is a project management and invoicing platform built for freelancers, independent contractors, and small businesses. It brings projects, clients, invoices, and collaboration into one streamlined experience, with transparent pricing and secure Stripe-powered payments.

Open Source Billing, using SQLite3 :-)