Search Results for "invoice"
Sort By:
Showing 227 open source projects for "invoice"
View related business solutions-
MongoDB Atlas runs apps anywhereMongoDB 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.
-
Simple, Secure Domain RegistrationRegister or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
-
1
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, ACH... -
2
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. -
3
Τιμολόγιο ΕΔ
Τιμολόγιο δαπάνης Ενόπλων Δυνάμεων
Υπολογίζει τα στοιχεία ενός τιμολογίου δαπάνης Ενόπλων Δυνάμεων με βάση τα δεδομένα που είναι το ποσό (καθαρής αξίας, πληρωτέου ή καταλογιστέου) καθώς και τα ποσοστά ΦΠΑ, ΦΕ και κρατήσεων. Για κάποιον που δεν είναι εξοικειωμένος με τα ποσοστά ΦΕ και κρατήσεων, υπάρχει οδηγός που τα ρυθμίζει αυτόματα, με βάση κάποιες απλές ερωτήσεις. -
4
AdminLTE
Free admin dashboard template based on Bootstrap 4
.... Best open source admin dashboard & control panel theme. Built on top of Bootstrap, AdminLTE provides a range of responsive, reusable, and commonly used components. Mobile first design. Fits many resolutions, from large desktops to small mobile devices. Support for printing any page. The invoice page makes a perfect example. Choose a skin that matches your branding or edit the LESS variables to create your own. -
The All-in-One Commerce Platform for Businesses - ShopifyShopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
-
5
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. Frappe Books features a clean and modern, web-friendly UI, beautiful invoice templates, standard... -
6
Pejota
The ERP and CRM, multi language, for freelancers
PeJota is a Freelancer/solo entrepreneur‑focused ERP/CRM built on PHP/Laravel with FilamentPHP UI. It includes client/project/contracts/tasks/timesheets and invoice management in a lightweight monolithic app, ideal for multilingual SMB use. -
7
-
8
Kimai
Kimai is a web-based multi-user time-tracking application
Kimai is an open-source time-tracking solution. It tracks work time and prints out a summary of your activities on demand. Yearly, monthly, daily, by the customer, by the project. Its simplicity is its strength. Due to Kimai’s browser-based interface, it runs cross-platform, even on your mobile device. With Kimai, the boring process of feeding Excel spreadsheets with your working hours is not only simplified, it also offers dozens of other exciting features that you don't even know you're... -
9
WP Project Manager
The Project Management plugin for WordPress
WP Project Manager is a WordPress-based project management plugin that offers tasks, to‑do lists, milestones, Kanban boards, time tracking, Gantt charts, and integrations. It's suitable for teams working within WordPress wanting self-hosted task management closely integrated with their site CMS. -
Level Up Your Cyber Defense with External Threat ManagementMove beyond alerts. Gain full visibility, context, and control over your external attack surface to stay ahead of every threat.
-
10
QuestPDF
A library that can help you with generating PDF documents
Quickly design and generate PDF documents with an open-source, modern, and battle-tested C# library. Forget about limitations, feel confident, enjoy your task and efficiently deliver professional products. QuestPDF is a progressive library that can help you with generating PDF documents in your .NET application by offering a friendly, discoverable and predictable C# fluent API. Do you believe that creating a complete invoice document can take less than 200 lines of code? We have prepared... -
11
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. -
12
Kaneo
An open source project management platform
Kaneo is a lightweight invoicing and client management tool for freelancers and small businesses. Built as a modern, self-hosted solution, Kaneo helps users generate invoices, track payments, and manage clients from a user-friendly dashboard. It's especially useful for independent workers who prefer local control over SaaS options. -
13
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. -
14
InvoicePrinter
Super simple PDF invoicing
Super simple PDF invoicing. InvoicePrinter is a server, command line program and pure Ruby library to generate PDF invoices in no time. You can use Ruby or JSON as the invoice representation to build the final PDF. -
15
Lago
Open Source Metering and Usage Based Billing API
Lago offers a self-hosted and cloud, scalable and modular architecture for metering and usage-based billing, at every stage of your company. Ingest up to 15,000 billing events per second. Lago’s event-based architecture provides a solid foundation for building a fair pricing model that scales with your business. Lago supports all pricing models. Create pay-as-you-go and hybrid plans in no time with our intuitive user interface or API. Create engaging marketing campaigns and increase... -
16
Invoicr - PHP Invoice Generator
PHP invoice generator that creates HTML, PDF, DOCX, and PNG invoices.
Invoicr is a free and open-source PHP invoice generator that is capable of churning out HTML, PDF, DOCX, and PNG invoices. It is a simple fuss-free package that will give developers a quick boost with their invoice generation needs. ## "INSTALLATION" & REQUIREMENTS There is no “installation”, only a small hassle: 1) Edit invlib/invoicr.php, change (C1) company information to your own. 2) That's all. Check out example.php. 3) MPDF requires GD extension to work properly. ## CREDITS... -
17
Vali Admin
Free Bootstrap 4 admin/dashboard template
Vali is a free, modular and easy-to-customize admin theme built using Bootstrap 4, SASS and Pug.js. Includes seven pre-built pages including login, user profile, and print-friendly invoice page. Run a npm install command in the project root directory to install and build dependencies. If you don't want to edit the theme you can use the compiled files inside the docs folder. Use npm run dev command to watch and compile source files. Use npm run build command to compile all source files. Use npm... -
18
-
19
Apache OpenOffice Templates
Thousands of ready to use Apache OpenOffice templates
The official catalog of Apache OpenOffice templates. You'll find templates ranging from letters and résumés to calendars and brochures. Templates can save your time, and are easy to use. -
20
efactuur-pdf-nl
PDF generation for Dutch UBL and SETU invoices
The EfactuurNL2PDF project provides the following functionality: - PDF generation for UBL or SETU Invoice documents. - Schematron validation stylesheets - Genericode validation stylesheets The following HR-XML-NL and UBL-NL message versions are currently supported in this project : - NLCIUS (si-ubl-2.0.1) - UBL Invoice 1.9 - UBL Invoice 1.8 - UBL Invoice 1.7 - UBL Invoice 1.6.3 - UBL Invoice 1.6.2 - UBL Invoice 1.1 - SETU Invoice 2.0 - SETU Invoice 1.8.1 - SETU Invoice 1.7... -
21
Aronium Free Windows Point of Sale
Easy to use, modern and reliable POS solution.
Speed From setup to selling in a minutes. With modern and simple interface you will be up and running in no-time. Discounts & promotions Keep your loyal customers. With our loyalty module, you can schedule promotions and automatically apply discounts to selected items. Support Have a question? We are here to help. Jump directly to our help center, or drop us a line, send suggestion, or just say Hi! Help is just an email away! Made for Windows Turn your PC into a functional... -
22
Group Office groupware and CRM
Take your office and CRM into the cloud!
Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy... -
23
Accounting lite
An accounting program (not released) and a released invoice program.
-
24
Dolibarr timesheet
Timesheet module for dolibarr
Module to enable a Timesheet view for project in Dolibarr Dolibarr on Sourceforge : https://sourceforge.net/projects/dolibarr/ -
25
Free Invoicing Software for 2025
Simple Invoicing program for Desktop written in vba and Access
..., Inventory and Accounting Purposes. Read the readme file, and manual for greatest use of this App. This is an upgrade of Version to 6a. The application can now produce a Revenue Graph, you can add Inventory on the Invoice, and print mail labels. The MS-Access Runtimes for 32/64 bits are included. The ZIP file contains all program code, and program elements needed to work on. Find this and/or other free programs at: https://gotomarcus.com/main/marcus/index.php
