Search Results for "billing software"
Sort By:
Showing 167 open source projects for "billing software"
View related business solutions-
Stop Storing Third-Party Tokens in Your DatabaseRolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
-
AI-generated apps that pass security reviewRetool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
-
1
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. -
2
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. -
3
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. -
4
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. ... -
Gemini 3 and 200+ AI Models on One PlatformBuild generative AI apps with Vertex AI. Switch between models without switching platforms.
-
5
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. -
6
OpenEMR
The most popular open source electronic health records
...The software is particularly valued for enabling smaller practices to implement digital health record systems without the licensing costs associated with proprietary solutions. -
7
Stripe AI
One-stop shop for building AI-powered products and businesses
Stripe AI is an open-source collection of tools and software development kits designed to help developers build AI-powered products and services that integrate directly with Stripe’s payment infrastructure. The project acts as a centralized repository containing resources, libraries, and examples that simplify the process of incorporating payments, billing, and financial workflows into AI applications. -
8
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. -
9
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. -
Try Google Cloud Risk-Free With $300 in CreditUse your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
-
10
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... -
11
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. -
12
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... -
13
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. -
14
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... -
15
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... -
16
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... -
17
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,... -
18
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/ -
19
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 -
20
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. -
21
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.
-
22
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) -
23
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. -
24
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... -
25
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.
