Open Source Windows Billing Software
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Billing Software for Windows
View 182 business solutionsBrowse free open source Billing software and projects for Windows below. Use the toggles on the left to filter open source Billing software by OS, license, language, programming language, and project status.
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Frappe Books
Free Desktop book-keeping software for small-businesses & freelancers
Frappe Books is a free and open source desktop book-keeping software that's simple and well-designed to be used by small businesses and freelancers. It's got everything you need from a small business accounting tool: invoices, billing, payments, reporting and more. It's made to work offline using a local SQLite file as the database, so you don't have to be dependent on a Cloud service provider. Frappe Books features a clean and modern, web-friendly UI, beautiful invoice templates, standard financial reports and other great features. It's inherently portable and secure, as your data is never uploaded into the Cloud. -
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OpenClinic GA
Open Source Integrated Hospital Information Management System
OpenClinic GA is an open source integrated hospital information management system covering management of administrative, financial, clinical, lab, x-ray, pharmacy, meals distribution and other data. Extensive statistical and reporting capabilities. OpenClinic GA and OpenClinic GMAO are owned by Frank Verbeke, MD, PhD at Post-Factum BV (https://www.post-factum.be) -
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Invoice Ninja
Free and Open Source Invoicing, Expenses & Time-Tracking
Invoice Ninja is a free and open source invoicing, expenses and time-tracking app built with Laravel and Flutter. It offers a plethora of great features, including custom branded invoice design, recurring invoicing and auto-bill clients, real-time quote creation and custom proposals, expense reporting and so much more! Invoice Ninja is also capable of handling online payments from more than 40 payment gateways, including Stripe, PayPal and WePay. It also accepts payments using credit cards, ACH, Bitcoin and more. Get paid online, organize project workflows with Kanban Boards, and track time online via your Webapp account all with Invoice Ninja. -
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Free Weighbridge Software
Imagic Solution Easy to Use Windows Based Weighbridge Software
Imagic Solution Provide Easy to Use Windows Based Weighbridge Software, its Support Win10/Win11/Win7, 32 and 64 Bit both OS. Facility to Create Multi User with Various Authorisation, it will Provide Secure Weighment with Various Facility Like CCTV Image Capture, RFID Reader Integration, Boom Barrier Integration, Traffic Light, PA Sound System, LED display etc... This Software Provide a secure and Fraud-Free-Operation of All Kind Of Weighbridge, its Design to Suitable for all Kind of Industries. It will use Configurable various Database as per requirement. Software Suitable for In Bellow Sector: Industries Weighbridge [LAN Based Software for Multi Weighbridge], Public Weighbridge, Cloud Based Online Weighbridge Reporting system, Label Printing Scale Software, Batching Scale Software, Barcode + QR Code printing, CCTV Weighbridge Software, Support Multi Language Selection Option, -
Fully Managed MySQL, PostgreSQL, and SQL ServerCloud SQL handles your database ops end to end, so you can focus on your app.
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OpenMiracle
Human way of Accounting
Miracle I The next stepping stone of open miracle Miracle i. which helps in showing you the graphical representation of the company status. A unique software with unique features in it and also to be the first in market. Miracle irepresents entire openmiracle modules by projecting various graphical representaions with most idealistic view. Financial statements can be easily analyzed using pie-charts,user interface is more flexible now with the help of coloring system and bar-chart rating. An over all statistic view of a company in a single click!! Miracle Skate..! Fed up of data base migration ?!!Try Miracle Skate Miracle Skate helps to migrate data from Tally accounting software to Open Miracle without any loss of data and it helps the customer to enjoy the features of latest business accounting software-Open Miracle. -
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OpenSourceBilling
A super simple way to create & send invoices, receive payments online
OpenSourceBilling or OSB is a simple, open source web application for creating and sending invoices, receiving payments, managing clients, and tracking and reporting. There’s no need to pay for these services because OSB does it all for free and easily. OSB can produce reports of sales, payments and collected revenues, and simply makes billing and invoicing hassle-free. OSB comes with plenty of built-in features, such as recurring invoices, exporting to PDF, time tracking, receiving payments through Paypal and credit card, Freshbooks and Quickbooks data importing and more. It also supports several different languages as well as currencies. -
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Openbravopos
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Complete and user-friendly retail POS functionality A comprehensive, flexible, and user-friendly cloud-based retail POS software. 1. Sales, quotations, reservations, and returns, including cross-store and cross-channel scenarios. 2. Automatic validation of customer personal data. 3. Configuration of keymaps for quick access to options and featured products. https://www.youtube.com/watch?v=Aai3iYLP2TQ&pp=ygUNb3BlbmJyYXZvIGtkcw%3D%3D Contact: both version of Openbravo POS osopenbravo@gmail.com Join Our Channel: https://whatsapp.com/channel/0029Vavg10ZIXnlvG5dUDu0x -
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Crater
Free & Open Source Invoice App for Freelancers & Small Businesses
Crater is an open-source web & mobile invoicing app made especially for freelancers and small businesses. It's the complete invoicing solution you need, allowing you to track expenses and payments, calculate taxes, and create estimates and invoices. As both a web and a mobile app, Crater allows you to manage your invoices and keep track of everything even on the go. Crater's web application is made with Laravel & VueJS, while the mobile apps are built using React Native. Crater is a completely free and open source professional invoicing solution. Make the smart choice for managing your budding business's transactions with Crater. -
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Aronium Free Windows Point of Sale
Easy to use, modern and reliable POS solution.
Speed From setup to selling in a minutes. With modern and simple interface you will be up and running in no-time. Discounts & promotions Keep your loyal customers. With our loyalty module, you can schedule promotions and automatically apply discounts to selected items. Support Have a question? We are here to help. Jump directly to our help center, or drop us a line, send suggestion, or just say Hi! Help is just an email away! Made for Windows Turn your PC into a functional Point of Sale. Worldwide Used in more than 40 countries every day. Is Aronium POS free? Yes it is. You can use free Aronium version as long as you like. There are no obligations or hidden costs. However, keep in mind that Aronium is a "freemium" product, meaning that there is a free version, and other paid versions or extensions offered as more advanced alternative. -
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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FOSSBilling
Empower your hosting business with FOSSBilling
FOSSBilling is a free and open-source billing and client management solution tailored for online services businesses, particularly those in the web hosting space. It delivers a suite of tools that automate the creation and delivery of invoices, track payments, manage customer accounts, and handle service provisioning, all from a centralized web interface. Because it’s self-hosted and licensed under the Apache 2.0 license, organizations have full control over their data and can customize or extend the system to fit unique workflows or branding requirements. FOSSBilling supports integration with numerous control panels and payment gateways, helping businesses automate domain management, hosting account creation, and customer notifications without manual intervention. The platform is built to be extensible, with a modular architecture that allows developers to add new features, themes, or third-party extensions. -
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SolidInvoice
Simple and elegant invoicing solution
SolidInvoice is a simple open source general billing manager/ invoicing application made for small businesses and freelancers. It helps you manage clients, contacts, day-to-day billing and more so you can always get paid right and on time. SolidInvoice is capable of handling recurring invoices, quotes and estimates, as well as online payments. You can receive payments from a number of different gateways such as Paypal Express, Stripe Checkout, Be2bill and more. It also supports multiple currencies. SolidInvoice has a powerful and flexible RESTful API so you can easily integrate it to any other service. -
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Applewood Computers Accounting System
Accounting system for smaller companies written in GnuCobol.
ACAS contains Sales, Purchase and Nominal Ledgers (Accounts Receivable, Payable and General Ledgers) as well as Stock Control (Inventory Control) along with IRS (Incomplete Records System). This system is written in COBOL and uses the free GnuCobol compiler which compiles via C code and is therefore compatible with the following platforms: Linux, Unix, Dos, Mac OSX, Windows providing you have installed the GCC C compiler or an equivalent as well as GnuCobol. at a minimum, v2.0+. Note that all testing is done using v3.2. The current version utilises standard Cobol files, be they sequential or indexed. The beta version, offers additional support for Mysql and Mariadb. This is available as v3.3 and as a nightly build direct from the lead programmer. -
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jBilling
jBilling is a web-based enterprise billing system.
jBilling is a web-based enterprise billing and rating system. It manages your subscribers with automatic invoicing (email and PDF) and payment processing (credit cards, checks, direct deposit). Robust, well documented and easy to use! -
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Fakturama - Invoicing Made Easy
The Open Source Invoice Management Software
Fakturama is an open-source software solution designed for enterprises for creating invoices, as well as delivery notes, while managing and editing your online web shop. Fakturama was especially created in order to provide a comprehensive invoicing program that is compatible with office suites used worldwide, like LibreOffice and Apache OpenOffice. Fakturama makes it easy to create invoices, manage products, contacts, documents, payments, shippings, VATs and all the other constituents of a web shop. -
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Meteroid
Open-source pricing and billing infrastructure
Meteroid is an open-source, cloud-native pricing and billing infrastructure designed to support usage-based billing, subscription management, invoicing, and cost-tracking — particularly for SaaS or product-led businesses that need flexible billing models beyond flat subscriptions. It provides an API-driven billing engine: you feed Meteroid usage data from your application (e.g. API calls, storage usage, seats, feature usage), define custom pricing rules or plans, and Meteroid calculates charges, generates invoices, tracks usage, and supports cost limits or quotas. The system is written in Rust, emphasizing performance, reliability, and safety, making it suitable for production use in small startups up to large enterprises. Meteroid handles complexities like plan versioning, usage-based billing, re-invoicing, grandfathering of plans, experiments, and cost limiting — giving teams a robust billing backend without building one from scratch. -
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QRK Registrier Kasse
QRK Registrierkassen Software für kleine Betriebe.
QRK Registrierkassen Software (Cash Register) für kleine Betriebe. Speziell für Österreichisches Gesetz (RKV geeignet) QRK ist ideal für alle Dienstleistungsunternehmen, die bislang mit Honorarnoten/Rechnungen oder Rechnungsblock mit Durchschrift (Paragon) arbeiten und eine einfache Kassenlösung suchen. Schnittstelle für Fibu und Rechnungsprogramme vorhanden. (Zb. Fakturama) -
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gBilling is a Internet Cafe Billing System consists of Server and Client, gBilling is especially made in Indonesian Language, run in Linux and Windows, written in C and GTK2.
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Accounting Including: Point-of-sale, Invoicing, Job Costing, Production, Orders, Quotations, Inventory (Stock), Accounts Receivable (Debtors), Accounts Payable (Creditors), General Ledger, Management Reports, Reconciliations
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Lázaro es un sistema de gestión comercial pequeño pero flexible y ampliable (facturación y POS) para Windows y Linux.
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JDavide (per gli amici JD) è un software gratuito per la gestione dello Studio Legale che aiuta l’avvocato nell’espletamento delle operazioni quotidiane. Funzionalità: pratiche, agenda, formulario, atti, parcellazione, rivalutazione, ecc.
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Excel Invoice
Excel Invoice windows desktop app template
The Invoice template enables you to manage your client details, Product/Service details, Multiples V.A.T rates and Discounts. Besides making Invoices, it will generate a summary of your debtors/accounts receivable and you can also generate Account Statements for your clients. -
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Cyber Manager (v1.0) is a "Free for All" open source web application designed and developed for cyber cafe managers built with an aim to help them in managing their cyber cafe in a much efficient and better and smoother way.
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eEÜR mini Buchhaltung mit LibreOffice
eEÜR Version 1.10.3 Januar 2017
Mini-Buchhaltung mit LibreOffice oder OpenOffice.org. Version 1.10.3 vom 9. Januar 2017 ACHTUNG: Aufgrund eines Bugs in LibreOffice Version 4.1.2 läuft das Programm nicht in dieser Version. Bis Version 4.0.1.2 funktioniert es und dann wieder an 4.1.3. Angebotserstellung, Rechnungserstellung, Lager und Kundenverwaltung, sowie Buchhaltung mit Einnahmen-Überschuß-Rechnung in einer einzigen ODS-Datei. Angebote können in Rechnungen übernommen werden. Es sind 2 Steuersätze (und 0%) in einer Rechnug möglich. Durch Verwendung der Tabellenkalkulation hat der Anwender immer die Möglichkeit seine Daten direkt zu überprüfen. Eine Portierung von Linux nach Windows oder umgekehrt ist ebenso möglich wie die Verwendung eines USB-Speichers und unterschiedlichster Rechner. (Desktop, Laptop Tablet). Die Anwendung im Netzwerk (kein multiuser) ist ebenfalls möglich. -
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vintage-billing-accounting
Vintage Billing and Accounting Software for Small Business
This is legagy system that is written for Unix and DOS, but actually now only works under Windows (32bit or 64bit using DOSBox). It even installs like a Windows program, but email for help if you need it ballweiss55@gmail.com PBAS is for more general Service and Inventory businesses, and is feature filled. Download the program you like, and a manual is accessed by pressing F1 from the main screen. For Educational use, learn how to setup the Chart of Accounts, read Financial Statements and Produce Invoices and Estimates. Learn how to use a full featured accounting system. (Press ctrl-F10 if your mouse gets stuck in DOSBOX.) -
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NeoBill is a web-based Customer Management and Billing solution designed for web hosting providers, particularly hosting resellers. It is developed in PHP, uses MySQL as the backend database, and is licensed under the G
