Showing 164 open source projects for "billing software"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
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  • 1
    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.
    Downloads: 38 This Week
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  • 2
    Stripe Ruby Library

    Stripe Ruby Library

    Ruby library for the Stripe API

    A Ruby library that enables developers to integrate Stripe’s payment gateway into Ruby applications, streamlining billing, payments, and customer management.
    Downloads: 7 This Week
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  • 3
    OpenMeter

    OpenMeter

    Metering and Billing for AI, API and DevOps

    OpenMeter is an open-source metering and billing platform designed to collect, aggregate, and analyze usage events from APIs, cloud infrastructure, and software services in real time, enabling flexible usage-based billing for SaaS, AI, and DevOps offerings. It supports high-scale event ingestion and deduplication to accurately record how customers consume billable resources such as API calls, compute time, or storage, and then correlates that usage with payment systems and billing plans to automate invoicing and revenue recognition. ...
    Downloads: 6 This Week
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  • 4

    Offline Medical Billing Software Free

    Offline Medical Billing Software to Print Your Medical Bill

    Streamline your medical billing procedures effortlessly with our Free Offline Medical Billing Software. Designed to cater to the unique needs of healthcare providers, this software offers comprehensive features without the hassle of constant internet connectivity. Efficiently manage patient billing information, insurance claims, and invoicing without worrying about online interruptions.
    Downloads: 32 This Week
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  • Leverage AI to Automate Medical Coding Icon
    Leverage AI to Automate Medical Coding

    Medical Coding Solution

    As a healthcare provider, you should be paid promptly for the services you provide to patients. Slow, inefficient, and error-prone manual coding keeps you from the financial peace you deserve. XpertDox’s autonomous coding solution accelerates the revenue cycle so you can focus on providing great healthcare.
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  • 5
    Laravel Cashier

    Laravel Cashier

    Laravel Cashier provides an expressive, fluent interface to Stripe

    Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services. It handles almost all of the boilerplate subscription billing code you are dreading writing. In addition to basic subscription management, Cashier can handle coupons, swapping subscriptions, subscription "quantities", cancellation grace periods, and even generate invoice PDFs.
    Downloads: 1 This Week
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  • 6
    Stripe.net

    Stripe.net

    Stripe.net is a sync/async .NET 4.6.1+ client

    A .NET library to facilitate Stripe payment integration, supporting a full range of payment and subscription features for .NET applications.
    Downloads: 7 This Week
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  • 7
    OpenCost

    OpenCost

    Cost monitoring for Kubernetes workloads and cloud costs

    OpenCost is a vendor-neutral open-source project for measuring and allocating cloud infrastructure and container costs in real-time. Built by Kubernetes experts and supported by Kubernetes practitioners, OpenCost shines a light into the black box of Kubernetes spending. Flexible, customizable cost allocation and cloud resource monitoring for accurate showback, chargeback, and ongoing reporting. Dynamic asset pricing, through integrations with AWS, Azure, and GCP billing APIs as well as...
    Downloads: 2 This Week
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  • 8
    Dolibarr

    Dolibarr

    Dolibarr ERP CRM is a modern software package to manage your company

    Dolibarr is an open-source ERP (Enterprise Resource Planning) and CRM (Customer Relationship Management) software designed for small to medium-sized businesses. It includes a suite of features for managing a company’s operations, including invoicing, project management, inventory, and HR. Dolibarr is highly modular, meaning users can activate only the features they need, making it scalable and adaptable for different business models.
    Downloads: 30 This Week
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  • 9

    Free POS Software

    Free POS Software

    EPOS System is a leading point of sale pos system provider we re passionate about empowering businesses with cutting edge electronic POS solution We offer a wide range of POS systems like pos software for shops, restaurants, hospitality, retail, Takeaways, pharmacy, pizza
    Downloads: 43 This Week
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  • Nonprofit Budgeting Software Icon
    Nonprofit Budgeting Software

    Martus Solutions provides seamless budgeting, reporting, and forecasting tools that integrate with accounting systems for real-time financial insights

    Martus' collaborative and easy-to-use budgeting and reporting platform will save you hundreds of hours each year. It's designed to make the entire budgeting process easier and create unlimited financial transparency.
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  • 10
    Payum

    Payum

    PHP Payment processing library

    Payum is a PHP payment processing library that abstracts and unifies payment gateway integrations across different services like PayPal, Stripe, and Authorize.Net. It offers a modular architecture that supports various gateways and payment flows including recurring payments, tokenized sessions, and secure callbacks. Payum is ideal for developers building custom e-commerce or billing solutions with multiple payment options.
    Downloads: 0 This Week
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  • 11
    Ptah.sh

    Ptah.sh

    Self-hosted alternative to Heroku

    Ptah.sh is a Fair Source self-hosting deployment platform - an alternative to Heroku/Vercel and other Big Corp software. We believe that indie, startups, and small to medium businesses must not suffer from unpredicted billing or bare-metal/VPS configurations. Designed for indie developers and SMBs, Ptah.sh offers the simplest hosting experience.
    Downloads: 0 This Week
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  • 12
    next-forge

    next-forge

    Production-grade Turborepo template for Next.js apps

    A mono repo template designed to have everything you need to build your new SaaS app as quickly as possible. Authentication, billing, analytics, SEO, database ORM and more. Create and preview email templates with a React-based email library. A twblocks website template with a type-safe blog, bulletproof SEO, and legal pages, powered by Content Collections. Simple, beautiful out of the box, and easy-to-maintain documentation. Use Prisma Studio to visualize your database, and generate Prisma...
    Downloads: 0 This Week
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  • 13
    RevenueCat

    RevenueCat

    In-app purchases and subscriptions made easy

    RevenueCat is a powerful, reliable, and free-to-use in-app purchase server with cross-platform support. Our open-source framework provides a backend and a wrapper around StoreKit and Google Play Billing to make implementing in-app purchases and subscriptions easy. Send enriched purchase events to analytics and attribution tools with our easy integrations. Fetch products, make purchases, and check subscription status with our native SDKs. Host and configure products remotely from our...
    Downloads: 2 This Week
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  • 14
    Flexprice

    Flexprice

    Usage-based pricing and billing for developers

    Flexprice is an open-source dynamic pricing engine designed to help online businesses and marketplaces automate and optimize their pricing strategies. It allows developers and data scientists to experiment with pricing algorithms using real-time market data, inventory levels, and historical sales to maximize revenue, conversion, or competitiveness. Built with flexibility in mind, Flexprice can be integrated into existing e-commerce infrastructure via APIs and supports simulation and A/B...
    Downloads: 2 This Week
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  • 15
    Free Invoicing Software for 2025

    Free Invoicing Software for 2025

    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 or print reports (part of Office 365). The program processes Invoicing and Quotes, and produces reports for A/R,...
    Downloads: 14 This Week
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  • 16

    Offline Hospital Management System Free

    Hospital Management System download Software to Get it

    ...Operational Efficiency: Automation reduces manual tasks, minimizing errors and improving efficiency. Financial Accuracy: Accurate billing and invoicing contribute to better financial management. Data-Driven Decision Making: Comprehensive reporting and analytics empower administrators to make informed decisions. Support : https://www.plugin999.com/support/ Medical Billing Software : https://sourceforge.net/projects/offline-medical-billing/
    Downloads: 106 This Week
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  • 17
    Free Invoicing Software for Auto Shops

    Free Invoicing Software for Auto Shops

    An Invoicing program for Auto Shops written in vba and MS-Access.

    This is an sample/learning/functional Invoicing program written in vba and MS-Access. It is for a small, or personal, Auto Repair type 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, or print reports (part of Office 365). The program processes Invoicing, Appointments, and Quotes, and...
    Downloads: 0 This Week
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  • 18
    Healthcare

    Healthcare

    A Healthcare Software

    This software can installed on Personal Computer. This software also can be installed over Network Server. For Internet Scale, use Cloud Facilities to make it simple for Mobile Work. Installation 1. Install XAMPP with PHP 7.2.0. 2. Start the Server. 3. Install Grandtech Creation Healthcare file, Setup.exe path to C:\xampp\htdocs folder. 4.
    Downloads: 1 This Week
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  • 19
    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: 9 This Week
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  • 20

    SalesOrders

    Creates Invoice & Quotation for Customers

    This is a customized software specifically developed for small businesses (for B2B). This is useful to generate Invoices/Quotations for customers on a weekly/daily basis. It uses Microsoft excel to use as Master database and creates invoices in excel workbook.
    Downloads: 3 This Week
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  • 21
    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: 6 This Week
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  • 22
    Gestinux

    Gestinux

    Accounting and billing software

    Accounting and billing application, developed using LAZARUS, for Linux and Windows. Local executable, quick and easy to install. Can create and use local or remote MySql, MariaDb or PostgreSql databases. English, French, Spanish and Italian translations. Ready to be translated by non IT specialists, using a translation module included.
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    Downloads: 1 This Week
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  • 23
    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...
    Downloads: 84 This Week
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  • 24
    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: 2 This Week
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  • 25
    ProjeQtOr - Project Management Tool

    ProjeQtOr - Project Management Tool

    Quality based Open Source Project Organiser.

    Complete, Collaborative, Quality based Open Source Project Organizer. ProjeQtOr (formely Project'Or RIA) is a collaborative project management software. It's a tool designed to be a Project Organizer as a Rich Internet Application. Web based, it is very easy to use and targets to include every feature needed to the management of your projects. Listed as one of the underdogs project management softwares, the frequent updates, the very active support and the growing community refers to it...
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    Downloads: 435 This Week
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