Showing 635 open source projects for "billing system asp.net"

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  • 1
    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: 4 This Week
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  • 2

    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: 51 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: 2 This Week
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  • 4
    Giraffe

    Giraffe

    A native functional ASP.NET Core web framework for F# developers

    ...Giraffe is intended for developers who want to build rich web applications on top of ASP.NET Core in a functional first approach. ASP.NET Core is a powerful web platform which has support by Microsoft and a huge developer community behind it and Giraffe is aimed at F# developers who want to benefit from that eco system.
    Downloads: 0 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: 1 This Week
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  • 6
    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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  • 7
    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).
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    Downloads: 37 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: 34 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: 12 This Week
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  • 10
    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: 2 This Week
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  • 11
    Umbraco CMS

    Umbraco CMS

    Umbraco is a free and open source .NET content management system

    An open-source content management system built on ASP.NET, empowering developers to create and manage websites with flexibility.
    Downloads: 2 This Week
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  • 12
    Orchard Core

    Orchard Core

    Open-source modular and multi-tenant application framework

    Open-source, modular, multi-tenant application framework and CMS for ASP.NET Core. Orchard Core is a redevelopment of Orchard CMS on ASP.NET Core. Orchard Core consists of two different targets, Orchard Core Framework, an application framework for building modular, multi-tenant applications on ASP.NET Core, and Orchard Core CMS, a web content management system (CMS) built on top of the Orchard Core Framework.
    Downloads: 0 This Week
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  • 13

    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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  • 14
    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: 0 This Week
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  • 15
    Exceptionless

    Exceptionless

    Exceptionless application

    The definition of the word exceptionless is: to be without exception. Exceptionless provides real-time error reporting for your JavaScript, Node, .NET Core, ASP.NET, Web API, WebForms, WPF, Console, and MVC apps. It organizes the gathered information into simple actionable data that will help your app become exceptionless.
    Downloads: 0 This Week
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  • 16
    Context7 Platform

    Context7 Platform

    Up-to-date code documentation for LLMs and AI code editors

    Context7 is a system that aims to inject fresh, version-specific documentation and code snippets into language model prompts, thereby avoiding reliance on outdated training data or hallucinated APIs. It’s designed to integrate with tools that support the Model Context Protocol (MCP), such as Cursor, Windsurf, and other LLM clients. When a user writes a prompt and appends something like “use context7,” the system detects the libraries or frameworks being asked about, fetches the latest...
    Downloads: 6 This Week
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  • 17
    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: 6 This Week
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  • 18
    Ubicloud

    Ubicloud

    Open source alternative to AWS. Elastic compute, block storage

    ...Ubicloud emphasizes transparency and openness: APIs, orchestration, and management layers are open, enabling users to audit and customize their infrastructure instead of relying on proprietary platforms. The system is designed to run workloads in a multi-tenant fashion, providing container and VM orchestration, security isolation, and billing mechanisms. It also addresses portability, encouraging workloads that can move seamlessly between providers in the network. Ultimately, Ubicloud envisions reducing vendor lock-in and creating a more democratic cloud marketplace by combining open-source infrastructure management with federated governance.
    Downloads: 0 This Week
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  • 19
    ABP Framework

    ABP Framework

    Open source web application framework for ASP.NET core

    ABP Framework is a complete infrastructure to create modern web applications by following the best practices and conventions of software development. Rich authentication & authorization options integrated to ASP.NET Core Identity & IdentityServer4. Provides an extensible & detailed permission system. Don't repeat yourself to implement all this common stuff again & again. Focus on your business code and let ABP automate them by conventions. Easily publish & consume distributed events using built-in Distributed Event Bus with RabbitMQ integration available. ...
    Downloads: 0 This Week
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  • 20
    GPT-API-free

    GPT-API-free

    Free ChatGPT&DeepSeek API Key

    ...It offers a proxy-based approach that allows developers to interact with language models through a simplified interface, often requiring minimal configuration. The system is designed to lower barriers for developers who want to test or build applications using conversational AI without managing billing or complex authentication flows. It supports common API formats similar to widely used AI services, making it easier to integrate into existing projects. The project is particularly useful for rapid prototyping, educational purposes, and lightweight applications. ...
    Downloads: 1 This Week
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  • 21
    NLog

    NLog

    Advanced and structured logging for various .NET platforms

    NLog is a flexible and free logging platform for various .NET platforms, including .NET standard. NLog makes it easy to write to several targets. (database, file, console) and change the logging configuration on-the-fly. NLog has support for structured and traditional logging. The focus for NLog is high performance, easy-to-use, easy to extend and flexible to configure. NLog is very easy to configure, both through configuration file and programmatically. Even without restarting the...
    Downloads: 0 This Week
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  • 22
    CapRover

    CapRover

    Scalable PaaS (automated Docker+nginx), aka Heroku on Steroids

    CapRover is an extremely easy-to-use app/database deployment & web server manager for your NodeJS, Python, PHP, ASP.NET, Ruby, MySQL, MongoDB, Postgres, WordPress (and etc...) applications! It's blazingly fast and very robust as it uses Docker, Nginx, LetsEncrypt and NetData under the hood behind its simple-to-use interface. For a developer who does not like spending hours and days setting up a server, building tools, sending code to the server, building it, getting an SSL certificate,...
    Downloads: 0 This Week
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  • 23
    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: 727 This Week
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  • 24
    Hangfire

    Hangfire

    An easy way to perform background job processing

    An easy way to perform background processing in .NET and .NET Core applications. No Windows Service or separate process required. Backed by persistent storage. Open and free for commercial use. Easy to set up, easy to use. No Windows Service, no Windows Scheduler, no separate applications required. Background jobs are regular static or instance .NET methods with regular arguments, no base class or interface implementation required. Once a background job was created without any exception,...
    Downloads: 0 This Week
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  • 25
    Ocelot

    Ocelot

    .NET core API Gateway

    Ocelot is a .NET API Gateway. This project is aimed at people using .NET running a micro services / service-oriented architecture that need a unified point of entry into their system. However, it will work with anything that speaks HTTP and run on any platform that ASP.NET Core supports. Ocelot manipulates the HttpRequest object into a state specified by its configuration until it reaches a request builder middleware where it creates a HttpRequestMessage object which is used to make a request to a downstream service. ...
    Downloads: 0 This Week
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