Billing Software

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Browse free open source Billing software and projects 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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  • 1
    OpenClinic GA

    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.
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    Downloads: 242 This Week
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  • 2
    Crater

    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.
    Downloads: 30 This Week
    Last Update:
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  • 3
    Frappe Books

    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.
    Downloads: 27 This Week
    Last Update:
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  • 4
    OpenMiracle

    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.
    Downloads: 92 This Week
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  • 5
    Invoice Ninja

    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.
    Downloads: 17 This Week
    Last Update:
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  • 6
    OpenSourceBilling

    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.
    Downloads: 7 This Week
    Last Update:
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  • 7
    openbravopos

    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
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    Downloads: 89 This Week
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  • 8

    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,
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    Downloads: 44 This Week
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  • 9
    SolidInvoice

    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.
    Downloads: 4 This Week
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  • 10
    Fakturama - Invoicing Made Easy

    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.
    Downloads: 27 This Week
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  • 11
    Shop Management Solution

    Shop Management Solution

    Best software solution for Small, Medium Retail shop Management

    Shop Management Solution is an management information system (MIS) for Retailers who want to keep track of there profit and stock levels without the need of complex setups. Free Right to left languages Arabic / Urdu Edition: http://www.deluxewebapps.com/downloads/shop-management-solution-rtl Offical Page: http://www.deluxewebapps.com/downloads/shop-management-solution Bronze, Sivler and Gold Edition (Is available now) with value added features: - Bar Code Reader - Thermal Printer - Manage Invoices - Manage Purchase Orders - Manage Users - Reports (Sales, Stock, Purchases) - Multiple PC (Gold Edition) - Networking Free Trial (Bronze Edition):: http://www.deluxewebapps.com/trial Gold Edition URL: http://www.deluxewebapps.com/products/shop-management-solution-gold-edition Training & Help: http://deluxewebapps.com/blog
    Downloads: 8 This Week
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  • 12
    jBilling

    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!
    Downloads: 8 This Week
    Last Update:
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  • 13

    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 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 v3.02 and as a nightly build direct from the lead programmer.
    Downloads: 8 This Week
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  • 14
    TEMS -Time and Expense Management System

    TEMS -Time and Expense Management System

    Captures time & expense by project and account; generates invoice

    Keeps track of times entry and expenses reports of employees and contractors by projects and accounts, automatically generates invoices with details. You can print weekly time cards and expense reports by employee, project, and account. It allows you to review and approve times & expenses before generating invoices. This application is ideal for who bills their clients by time and material basis, such as IT consultants, Lawyers, CPAs, Government Contractors etc. Full featured demo site: http://tems.sourceforge.net Play with it from your browser to find out if it will fulfill your requirements, before downloading it.
    Downloads: 4 This Week
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  • 15
    Stansoft

    Stansoft

    Accounting, invoicing, inventory and payroll software for Linux

    Stansoft is a Linux financial accounting software system for business. It is designed for data entry efficiency with an ncurses text-based terminal user interface. Developed using Aubit4GL / Informix 4GL with a PostgreSQL or Informix database engine. Demonstration videos can be found on the YouTube channel at https://www.youtube.com/@standardsoftware.
    Downloads: 17 This Week
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  • 16
    JDavide
    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.
    Downloads: 8 This Week
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  • 17
    QRK Registrier Kasse

    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)
    Downloads: 8 This Week
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  • 18
    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.
    Downloads: 3 This Week
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  • 19
    openBaraza Business

    openBaraza Business

    Baraza Business Management System, a product of Openbaraza

    Baraza Business Management System by Openbaraza is designed to manage business transactions and make book keeping easier. It contains various modules that can be used by all kinds of business (small, medium and large). The system contains modules such as transactions, administrator operations and reports generated after various transactions recorded in the system. Some of the benefits of the system include: - Accuracy and Speed - End-of-Period Reports - Data Manipulation
    Downloads: 3 This Week
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  • 20
    PK7
    Utility to validate, extract, show and create digital documents included in files with "pk7" and "fp7" extensions such as electronic bills provided by some phone companies in Spain like Movistar and Telefonica.
    Downloads: 8 This Week
    Last Update:
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  • 21
    APAC Accounting and Business Management
    Accounting Including: Point-of-sale, Invoicing, Job Costing, Production, Orders, Quotations, Inventory (Stock), Accounts Receivable (Debtors), Accounts Payable (Creditors), General Ledger, Management Reports, Reconciliations
    Downloads: 3 This Week
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  • 22
    A small application for printing the receipts and expenditure cash documents.
    Downloads: 7 This Week
    Last Update:
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  • 23
    A PHP based donation management system for NGO. Useful to manage small member based organization with recurring donation, receipt printing and occasional ad-hoc donation for members and non-members.
    Downloads: 3 This Week
    Last Update:
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  • 24
    vintage-billing-accounting

    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.)
    Downloads: 5 This Week
    Last Update:
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  • 25
    Invoicing-AR-Inventory

    Invoicing-AR-Inventory

    Simple Invoicing program for Desktop written in vba and Access

    This is a learning/sample/functional Invoicing program written in vba and MS-Access. It is for a small, or personal, business. It should give you practice in learning/use of Invoicing, and installing on the desktop, and programming in vba and MS-Access. Note that the free MS-Access Runtime is with the download . You need MS-Access if you want to work with the program code (part of Office 365). The program processes Invoicing and Quotes, and produces reports for A/R, Inventory and Accounting Purposes. Read the readme file, and manual for greatest use of this App. This is an upgrade of Version to 6a. The application can now produce a Revenue Graph, you can add Inventory on the Invoice, and print mail labels. The MS-Access Runtimes for 32/64 bits are included. The ZIP file contains all program code, and program elements needed to work on. Find this and/or other free programs at: https://gotomarcus.com/main/marcus/index.php
    Downloads: 5 This Week
    Last Update:
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Open Source Billing Software Guide

Open source billing software is a type of software that provides organizations and individuals with the tools to track billing and invoicing processes, as well as manage inventory, customer service requests or orders. As an open source product, it offers the advantage of being free to download and use. The source code of the software is made available for potential users to modify or update if needed, giving great flexibility for customizing solutions.

For companies who are managing multiple clients or customers, having an efficient and organized way to handle billing can be incredibly valuable. Open source billing software allows them to keep records of their client's payments without worrying about costly license fees associated with commercial solutions. It makes processing bills easier by automating tedious manual tasks such as creating estimates, generating financial reports, sending invoices and collecting payments. Additionally, it can integrate with third-party services like PayPal or Stripe in order to provide customers with quick and convenient payment options.

When using open source billing software businesses have access to different features tailored towards monitoring financial activities effectively. Such features may include forecasting tools that generate accurate predictions on income levels; customizable templates allowing users to create customized billings formats; ways to filter data quickly so you can focus on specific transactions; integration of automated reminders for past due debts; tracking daily expenses across multiple accounts simultaneously; analysis reports which offer insight into how costumers interact with your business etc.
In short open-source billing systems give businesses the power of choice when choosing how they want their company’s finances managed – from providing reliable back office support all the way through full customization capabilities for those in need of more advanced functionality

Features Provided by Open Source Billing Software

  • Invoicing: Open source billing software provides a platform that helps businesses create, manage, and track invoices. It allows users to customize invoices with their company's logo, contact information, payment terms, product/service descriptions and pricing information. The software also keeps up-to-date records of clients' payments.
  • Subscription Management: This feature makes it easy to set up subscription plans viewable on the customer’s online accounts. Customers can self-manage their subscriptions and modify them if needed while administrators can automatically renew active customers' access to services at pre-established intervals.
  • Payment Processing: Open source billing software automates payment processing tasks like collecting fees in multiple currencies as well as setting up recurring payments based on user preferences. Different payment methods are supported such as credit cards, PayPal account etc., which offers customers flexible options for payment convenience.
  • Reporting & Analytics: Open source billing software presents comprehensive reports about business performance and customer activity for analytics purposes; allowing businesses to gain insights into where they stand financially or who has the highest spending power among customers. This assists business owners in making informed decisions related to pricing strategies, inventory management or marketing campaigns based on real-time data analysis results from these reports.
  • Tax Calculations: Tax calculations become easy with open source billing software as it does all the hard work for you - including keeping up with changing tax laws across different regions/countries in order to ensure accuracy when calculating taxes owed by customers when making purchases or subscribing services offered by the business.

Different Types of Open Source Billing Software

  • Simple Invoicing Software: Simple invoicing software is a type of open source billing software that allows users to create and send professional invoices, accept payments from customers, and track payments. It also typically features reporting tools for tracking finances over time.
  • Online Shopping Carts: Online shopping cart open source software provides an e-commerce platform with powerful back end functionality. This type of software typically offers payment integration and store management functionality as well as the ability to customize the look and feel of your online store.
  • Subscription Billing Systems: Subscription billing systems are designed to help businesses manage recurring subscriptions, enabling them to set up monthly or annual subscription plans with their customers. They include automated payment processing, customer relationships management (CRM), sales analytics, and tax recording capabilities.
  • Accounting & Bookkeeping Software: Open source accounting and bookkeeping software can be used to manage financial records such as accounts receivable/payable, cash flow projections, general ledger entries, payroll processing, budgeting tools, and more. It is often offered side by side with other types of open source billing software in order to provide a complete financial solution for businesses.
  • Point Of Sale Systems: Point of sale (POS) systems are all-in-one solutions for retail stores that allow merchants to easily process payments from customers in real-time at their physical locations. These systems come equipped with features such as inventory management functionality and security protocols for protecting sensitive customer data like credit card information. POS systems are an essential component when it comes to running a successful business in today’s world.

Advantages of Using Open Source Billing Software

  1. Cost Savings: Open source billing software comes with no licensing fees or additional costs, making it a great bargain for businesses. This can lead to large cost savings over other commercial software solutions.
  2. Zero Vendor Lock-In: With open source billing software, organizations can avoid vendor lock-in and remain in control of their data and processes. They are not tied down to any one provider as there is no requirement to purchase licenses from a single vendor.
  3. Flexibility: Open source billing software provides organizations with plenty of flexibility when it comes to how they manage their data and processes. Businesses do not have to wait for vendor updates to get new features, as the code is open source, meaning anyone can modify the existing code or create new modules around specific needs without needing assistance from vendors.
  4. Security Benefits: As open source billing software is developed collaboratively by many different individuals with various levels of expertise in coding, security vulnerabilities are caught at an early stage and quickly corrected before they become an issue. Additionally, since the codebase is transparent allowing anyone to examine it, malicious third-party actors have less room for exploiting security loopholes that may exist within closed source solutions.
  5. Ease Of Use: Many open source billing systems provide beautiful user interfaces which makes them easier than ever before to use by customers who don’t need any technical understanding of the product itself. Thanks to this intuitive interface users can easily access important functions like invoicing clients or tracking payments seamlessly - reducing administrative overhead associated with traditional accounting systems

What Types of Users Use Open Source Billing Software?

  • Small business owners: These users typically use open source software for billing because of its affordability and flexibility. They often need to track their customers’ invoices and payments, as well as manage products and services they provide.
  • Freelancers: Many freelancers use open source software to generate invoices and accept payments from clients. It offers them a convenient way to handle their finances, while being able to customize the system according to their needs.
  • Software developers: Developers utilize open source billing solutions in order to build customized applications or web-based systems that are tailored specifically for their clients’ needs. This type of user is often more interested in the code itself than the actual functionality of the system.
  • Nonprofits/Charity Organizations: Open source systems offer nonprofits an affordable way to manage donations and expenses associated with providing services for those in need. It also allows these organizations to focus resources on delivering mission-critical programs without worrying about managing costly software solutions.
  • Educators: Schools, colleges, and universities can benefit from using open source software for tracking student fees, managing course materials, charging tuition fees, etc. It provides administrators with an easy-to-use platform that does not require extensive training or IT support staffs.

How Much Does Open Source Billing Software Cost?

Open source billing software typically does not have a cost associated with it as it is offered freely to the public. Open source software can be downloaded and used without paying any license fees or other charges. However, depending upon your specific needs, there may be certain expenses that you encounter when using open source billing software.

For example, if you require additional support services or training beyond what is provided by the open source project team, then those costs must be taken into account. Additionally, if the features of open source software do not meet all of your needs and you need to have customizations made to it, then any development costs associated with those changes must also be considered. Moreover, if you need hosting for your online billing system then these costs must be factored in as well.

Overall though, since the base version of an open source billing system can usually be obtained free of charge and requires no ongoing licensing fees or royalties, this makes them quite cost-effective solutions for customers on tight budgets who are looking for reliable and secure billing systems.

What Software Can Integrate With Open Source Billing Software?

Open source billing software can integrate with a variety of types of software. For example, customer relationship management (CRM) systems can be integrated to manage client data and keep track of accounts receivable. Accounting software such as QuickBooks and Sage can also be integrated for automated invoicing and payment processing. Additionally, ERP systems allow open source billing software to be connected to back-end systems like inventory tracking, order fulfillment, and logistics management. Finally, it is possible to integrate open source billing software with email marketing services so that customers are kept up-to-date on their orders and promotions.

What Are the Trends Relating to Open Source Billing Software?

  1. Increased Availability: Open source billing software is becoming increasingly available, allowing users to access a wide range of options. This includes both commercial and community-based solutions, allowing businesses to choose the best option for their business needs.
  2. Lower Costs: Open source billing software can be significantly less expensive than proprietary solutions, allowing businesses to save money on software costs.
  3. Flexibility: Open source billing software is highly customizable and can be easily adapted to fit the unique needs of a given business. This allows businesses to quickly and easily customize their billing systems to meet their specific goals.
  4. Security: Open source billing software is often more secure than proprietary solutions since it is developed with open source code which can be inspected by anyone. This makes it harder for malicious actors to exploit security vulnerabilities in the system.
  5. Scalability: Open source billing software is designed to be easily scalable, allowing businesses to easily scale up or down depending on their current needs. This allows businesses to quickly adjust as their business grows or contracts.
  6. Improved User Experience: Open source billing software often features improved user experiences, making it easier for users to navigate their way around the system and find what they need quickly and efficiently.

How To Get Started With Open Source Billing Software

  1. Research - Start by researching different options of open source billing systems available, ensuring to read reviews so you can make sure you're getting the most appropriate one for your specific needs.
  2. Setup - Next, download and install the program on your computer or server. Depending on what system you choose, it may require special configuration – it’s best to consult official documentation and support articles prior to installation.
  3. Integrate – After setting up the software, integrate any third party applications such as a shopping cart or payment gateway into your program for seamless transactions. This step also includes importing existing customer data from past accounting programs if necessary.
  4. Customize & Test – Once everything is hooked up, customize any settings in your system that require adjustment such as invoicing formatting or language preference options; this ensures a uniform experience between customers and employees alike when working within the system. Lastly, test out all features of the billing software before putting it into practice with real customers; this will help avoid any costly mistakes when starting out with new software.