Showing 10790 open source projects for "php billing system"

View related business solutions
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB 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.
    Start Free
  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Get Started Free
  • 1
    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: 10 This Week
    Last Update:
    See Project
  • 2
    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: 2 This Week
    Last Update:
    See Project
  • 3
    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: 3 This Week
    Last Update:
    See Project
  • 4
    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
    Last Update:
    See Project
  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
    Try Free
  • 5

    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.
    Leader badge
    Downloads: 54 This Week
    Last Update:
    See Project
  • 6
    php-libyear

    php-libyear

    A simple measure of dependency freshness

    A simple measure of dependency freshness. Calculates the total number of years behind their respective newest versions for all dependencies listed in composer.json. Run composer global require ecoapm/libyear and make sure your global composer directory is in your $PATH. Alternatively, composer require --dev ecoapm/libyear will add libyear as a local dev dependency for your current directory's app. Download libyear.phar from the latest release, and put it in the current directory, or...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    graphql-php

    graphql-php

    A PHP port of GraphQL reference implementation

    This is a PHP implementation of the GraphQL specification based on the reference implementation in JavaScript. GraphQL is a modern way to build HTTP APIs consumed by the web and mobile clients. It is intended to be an alternative to REST and SOAP APIs (even for existing applications). GraphQL itself is a specification designed by Facebook engineers. Various implementations of this specification were written in different languages and environments. A great overview of GraphQL features and...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    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: 3 This Week
    Last Update:
    See Project
  • 9
    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: 5 This Week
    Last Update:
    See Project
  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • 10
    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
    Last Update:
    See Project
  • 11
    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: 24 This Week
    Last Update:
    See Project
  • 12
    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: 0 This Week
    Last Update:
    See Project
  • 13
    swagger-php

    swagger-php

    A php swagger annotation and parsing library

    Compatible with the OpenAPI Specification version 3. formerly known as Swagger. Enhanced errors messages with hints and context. Generate OpenAPI documentation for your RESTful API using attributes or annotations. swagger-php allows to generate specs either for OpenAPI 3.0.0 or OpenAPI 3.1.0. By default the spec will be in version 3.0.0. The command-line option, version may be used to change this to 3.1.0. For cli usage from anywhere install swagger-php globally and make sure to place the ~/.composer/vendor/bin directory in your PATH so the open API executable can be located by your system. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Requests for PHP

    Requests for PHP

    Requests for PHP is a humble HTTP request library

    Requests is a HTTP library written in PHP, for human beings. It is roughly based on the API from the excellent Requests Python library. Requests is ISC Licensed (similar to the new BSD license) and has no dependencies, except for PHP 5.6+. Despite PHP’s use as a language for the web, its tools for sending HTTP requests are severely lacking. cURL has an interesting API, to say the least, and you can’t always rely on it being available.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    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: 2 This Week
    Last Update:
    See Project
  • 16
    AWS SDK for PHP

    AWS SDK for PHP

    Repository of the AWS SDK for PHP

    ...To run the SDK, your system will need to meet the minimum requirements, including having PHP >= 5.5. We highly recommend having it compiled with the cURL extension and cURL 7.16.2+ compiled with a TLS backend (e.g., NSS or OpenSSL). To run the SDK, your system will need to meet the minimum requirements, including having PHP >= 5.5. We highly recommend having it compiled with the cURL extension and cURL 7.16.2+ compiled with a TLS backend (e.g., NSS or OpenSSL).
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    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: 1 This Week
    Last Update:
    See Project
  • 18
    Custom Billing Server

    Custom Billing Server

    Linux-Based Billing And Business Application Server For FREE use.

    ...So why spend a lot of time creating invoices or estimates, when you can use a suitable tool to manage your clients, products, services or subscriptions, create professional-looking invoices or estimates, and print or email them within seconds? The Custom Billing Server includes 15 open source FREE business applications as a bonus, and a customer loyalty and referral program to boost your sales while securely hosting your business data locally, and offline if desired. This system can be used from a virtual machine, HDD installation, or a bootable USB drive. File name = cbs-sfp_v26.09.iso MD5 = 8136e8cb5815aeccd8fb4398ebf0ab89 SHA1 = c190ffe74d624b6a2554a280082c709daf634790 Videos tutorials are in compressed zip files, or via: https://www.youtube.com/@apps-and-sec
    Leader badge
    Downloads: 51 This Week
    Last Update:
    See Project
  • 19
    PHP OAuth 2.0 Server

    PHP OAuth 2.0 Server

    A spec compliant, secure by default

    league/oauth2-server is a standards compliant implementation of an OAuth 2.0 authorization server written in PHP which makes working with OAuth 2.0 trivial. You can easily configure an OAuth 2.0 server to protect your API with access tokens, or allow clients to request new access tokens and refresh them. The latest version of this package supports PHP 7.2, PHP 7.3, PHP 7.4, PHP 8.0. The openssl and json extensions are also required. All HTTP messages passed to the server should be PSR-7...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 20
    ABillS (~AsmodeuS~ ISP Billing System)

    ABillS (~AsmodeuS~ ISP Billing System)

    OSS/BSS for ISP (internet pon voip iptv hotspot)

    ABillS - ISP Billing System with different abilities. IPoE,PPPoE, PPTP, L2TP, IPSec,OpenVPN (Cisco, Junipex MX,HUAWEI,ZTE, accel-ppp, mikrotik) Support RADIUS (Freeradius) PON (BDCOM,ZTE,C-Data,Huawai,V-Solutions,Stels) CRM for ISP, Callcenter, NetFlow, Monitoring, VoIP (GNU gatekeeper, Asterisk), IPTV, Hotspot (Mikrotik, DD-wrt), SNMP Monitoring (D-Link, Cisco), Help Desk, Mail management (Postfix, Spamassassin, Courier IMAP/POP).
    Leader badge
    Downloads: 43 This Week
    Last Update:
    See Project
  • 21
    OpenMonoAgent

    OpenMonoAgent

    Terminal-native coding agent powered by local LLMs

    OpenMonoAgent.ai is a self-hosted coding agent designed to run entirely on the user’s own hardware. It pairs a .NET CLI with a local llama.cpp inference server so developers can use agentic coding workflows without cloud subscriptions or per-token billing. The project emphasizes privacy, local control, and ownership of the model, compute, and project data. It includes a terminal-native workflow, built-in tools, Docker sandboxing, and code intelligence features. The system can run on CPU or GPU and is designed to auto-configure itself when possible. OpenMonoAgent.ai is best suited for developers who want a local AI development stack with no API keys, no cloud dependency, and no telemetry.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 22
    PHPMailer

    PHPMailer

    The classic email sending library for PHP

    PHPMailer – A full-featured email creation and transfer class for PHP. Support for UTF-8 content and 8bit, base64, binary, and quoted-printable encodings. SMTP authentication with LOGIN, PLAIN, CRAM-MD5, and XOAUTH2 mechanisms over SMTPS and SMTP+STARTTLS transports. Validates email addresses automatically. Many PHP developers need to send email from their code. The only PHP function that supports this directly is mail(). However, it does not provide any assistance for making use of popular...
    Downloads: 121 This Week
    Last Update:
    See Project
  • 23
    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
    Last Update:
    See Project
  • 24
    DVWA

    DVWA

    PHP/MySQL web application

    Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is damn vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, help web developers better understand the processes of securing web applications and aid teachers/students to teach/learn web application security in a classroom environment. The aim of DVWA is to practice some of the most common web vulnerabilities, with various levels of difficulty, with a...
    Downloads: 527 This Week
    Last Update:
    See Project
  • 25
    Nomulus

    Nomulus

    Top-level domain name registry service on Google Cloud Platform

    ...It implements the core registry protocols—EPP for registrar interactions, WHOIS/RDAP for public data access—and manages the lifecycle of domain objects, hosts, and contacts. The system is built to scale and to enforce policy: pricing rules, reserved names, premium tiers, grace periods, and automated renewals are modeled explicitly. It integrates with DNS provisioning, data escrow, and billing so you can run a compliant registry end-to-end rather than stitching together separate services. Operators get admin tools for reporting, manual adjustments, and policy configuration, while registrars interact through standards-compliant channels. ...
    Downloads: 3 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
Auth0 Logo