Showing 1569 open source projects for "php billing system"

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  • 1
    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...
    Downloads: 4 This Week
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  • 2
    Meteroid

    Meteroid

    Open-source pricing and billing infrastructure

    ...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.
    Downloads: 1 This Week
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  • 3

    Offline Hospital Management System Free

    Hospital Management System download Software to Get it

    The Hospital Management System is a robust and integrated software solution designed to enhance the efficiency and effectiveness of healthcare facilities. This comprehensive system is tailored to meet the unique needs of hospitals, clinics, and healthcare institutions, providing a seamless and user-friendly platform for managing diverse aspects of healthcare administration.
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    Downloads: 63 This Week
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  • 4
    OpenEMR

    OpenEMR

    The most popular open source electronic health records

    OpenEMR is a widely adopted free and open-source electronic health record and medical practice management system designed for clinics, hospitals, and healthcare providers. The platform delivers a fully integrated environment that combines patient records, scheduling, billing, and clinical workflows into a single web-based application. It is built to run across multiple operating systems, including Windows, Linux, and macOS, which makes it flexible for diverse healthcare infrastructures. ...
    Downloads: 4 This Week
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  • 5
    FOSSBilling

    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. ...
    Downloads: 0 This Week
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  • 6
    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: 2 This Week
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  • 7
    Invoice Plane

    Invoice Plane

    A self-hosted open source application for managing your invoices

    InvoicePlane is an open-source invoicing and client management system designed for small businesses and freelancers. It enables users to create, send, and manage invoices and quotes efficiently. The system supports multiple languages, currencies, and tax rates, making it suitable for global use. InvoicePlane also provides detailed financial reporting and client management features.
    Downloads: 8 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: 20 This Week
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  • 9
    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,...
    Downloads: 21 This Week
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  • 10
    Personal Management System

    Personal Management System

    Your web application for managing personal data

    It's easier to understand this web application when you think about a CMS (WordPress) or CRM (SugarCRM); the logic behind this system is very similar to those two. My PMS may offer fewer possibilities than those systems above, but it just does what I want it to do. Additionally, writing extensions is not too hard, depending on the logic required. Anyone with development knowledge can pretty much write their own extensions for personal needs. Keep a track of your personal goals. You can use...
    Downloads: 1 This Week
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  • 11
    Wallos

    Wallos

    Open-source, self-hostable personal subscription tracker

    Wallos is an open-source, self-hostable personal subscription tracker built to help you understand and control recurring expenses without relying on spreadsheets or paid budgeting platforms. It focuses on turning subscriptions into a clear, organized view of your financial commitments, helping you spot waste, anticipate upcoming charges, and plan your budget with fewer surprises. The app supports subscription management with due dates and payment schedules so you can keep track of what’s...
    Downloads: 3 This Week
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  • 12

    Simple Phone Billing

    A simple phone billing console-based app (C language)

    This simple console-based programme will launch an imaginary phone billing system. It is fully modularized with plain C functions to: 1) store number of calls to be billed (processed), 2) know call types to apply call type rate later, 3) know and act upon to apply extra charges, 4) store call duration and finally report a simple phone bill.
    Downloads: 0 This Week
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  • 13
    OpenEMR
    OpenEMR is an open source medical practice management application (EHR EMR PMS) featuring fully integrated electronic health records, scheduling, electronic billing, internationalization, free support, a vibrant community, and a whole lot more.
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    Downloads: 655 This Week
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  • 14
    SSPanel-UIM

    SSPanel-UIM

    Multi-purpose proxy service management system

    SSPanel-UIM is a web interface and management platform for Shadowsocks (a secure SOCKS5 proxy tool often used to circumvent censorship). It supports multi-tenant accounts, traffic quotas, node management, coupon systems, invite codes, and payment gateways integration (for example, Stripe, PayPal, etc.). The platform includes features like user dashboards, usage graphs, IP/device logging, and automatic coupon or traffic renewal logic. Administrators can configure SSR/V2Ray or other proxy...
    Downloads: 0 This Week
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  • 15
    Snipe-IT

    Snipe-IT

    A free open source IT asset/license management system

    Snipe-IT is a free and open source asset/license management system with powerful built-in features. It is a web-based software, and must be run on a web server and accessed through a web browser. Snipe-IT is very user-friendly, and is ideal for IT operations: tracking who has which laptop, handling software licences, accessories, etc.
    Downloads: 55 This Week
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  • 16
    solidtime

    solidtime

    Modern open-source time-tracking app

    solidtime is a modern open-source time-tracking application built for freelancers, agencies, and teams that need structure beyond a simple timer. It centers on fast time entry and tracking, then layers in the operational pieces that make time data useful, such as projects, tasks, and clients. It supports billable rates at multiple levels, enabling realistic billing setups that differ by project, member, or organization. The product is organized around multi-organization support, which is...
    Downloads: 0 This Week
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  • 17
    Heimdall

    Heimdall

    An Application dashboard and launcher

    As the name suggests Heimdall Application Dashboard is a dashboard for all your web applications. It doesn't need to be limited to applications though, you can add links to anything you like. Heimdall is an elegant solution to organize all your web applications. It’s dedicated to this purpose so you won’t lose your links in a sea of bookmarks. Why not use it as your browser start page? It even has the ability to include a search bar using either Google, Bing or DuckDuckGo. You can use the...
    Downloads: 58 This Week
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  • 18
    Open Source Point of Sale

    Open Source Point of Sale

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

    Open Source Point of Sale (OSPOS) is a free and open-source point-of-sale system for small and medium-sized businesses. It helps manage sales, inventory, and customer data through a user-friendly web interface. OSPOS is highly customizable and supports barcode scanning, multi-language support, and detailed reporting, making it ideal for retail stores, restaurants, and small businesses seeking an affordable POS solution.
    Downloads: 75 This Week
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  • 19
    Traq

    Traq

    Project management and issue tracking system written in PHP

    Traq is a PHP-powered project management and issue-tracking system designed for multi-project and milestone-driven workflows. It supports email notifications, custom fields, and per-project permissions. Ideal for teams wanting a simple, self-hosted tool, it runs on PHP 8.1+ with MariaDB/MySQL
    Downloads: 0 This Week
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  • 20
    NexoPOS

    NexoPOS

    The base version of NexoPOS, which is a web-Based Point Of Sale (POS)

    NexoPOS 4 is a free point-of-sale system built using Laravel, TailwindCSS, Vue, and other open-source resources. This POS System focuses on utilities and functionalities to offer most businesses all the tools they need to manage better their store. NexoPOS includes a responsive and beautiful dashboard that eases the interaction either on a smartphone, tables, or desktops. NexoPOS available on CodeCanyon gives access to premium modules marketplace.
    Downloads: 22 This Week
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  • 21
    IzzySales: Free Sales Management System

    IzzySales: Free Sales Management System

    IzzySales is a free web application to manage Sales, Orders, Stock

    IzzySales, released as BETA, is a free web application built with PHP, MySQL, Bootstrap and Ajax. It is a light-weight application, very easy to use with minimum technical complexity. It can be installed on Web Servers as well as local computers that support PHP and MySQL. It can be used by retail outlets, online sellers, offline sellers, small business or anyone who wants quick and neat way to record sales, orders and stock data. For details, customization, upgrade reach me on linked in...
    Downloads: 2 This Week
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  • 22
    EasyAppointments

    EasyAppointments

    Easy!Appointments - Self Hosted Appointment Scheduler

    Easy!Appointments is an open-source appointment management system that helps businesses schedule and manage client appointments efficiently. It offers a web-based interface where clients can book appointments online, while administrators can manage staff schedules, services, and customer data. The system is highly customizable and can be integrated with other tools like Google Calendar, making it ideal for small businesses, clinics, and service providers.
    Downloads: 6 This Week
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  • 23
    ITFlow

    ITFlow

    All in One PSA for MSPs, which Unifies client, contact, vendor, etc.

    ITFlow is a self-hosted IT asset and service management (ITSM) system for small to medium-sized businesses. It combines asset tracking, ticketing, password management, and documentation into one open-source platform. ITFlow helps IT teams manage infrastructure, support, and user requests in a centralized dashboard.
    Downloads: 6 This Week
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  • 24
    WebStack

    WebStack

    WordPress WebStack

    WebStack is a simple and elegant bookmark navigation system built with PHP and HTML, inspired by navigation pages used in web development communities. It allows developers to create a self-hosted homepage with categorized bookmarks to frequently used tools and sites. WebStack is designed for personal or team use, offering a clean interface and lightweight footprint.
    Downloads: 1 This Week
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  • 25
    ZentaoPMS

    ZentaoPMS

    Zentao is an agile(scrum) project management system/tool

    ZenTao is an open-source project management software focused on Agile methodologies, particularly Scrum. It integrates product management, project planning, QA, and DevOps into a single solution. ZenTao is widely used for managing software development lifecycles in enterprises and includes both a community and enterprise version.
    Downloads: 3 This Week
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