Search Results for "invoice"
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Showing 234 open source projects for "invoice"
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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. -
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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. -
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Frappe Books
Free Desktop book-keeping software for small-businesses & freelancers
...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 financial reports and other great features. It's inherently portable and secure, as your data is never uploaded into the Cloud. -
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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. -
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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... -
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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. -
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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. -
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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. -
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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. -
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10
AdminLTE
Free admin dashboard template based on Bootstrap 4
...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. -
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Laravel Cashier
Laravel Cashier provides an expressive, fluent interface to Stripe
...In addition to basic subscription management, Cashier can handle coupons, swapping subscriptions, subscription "quantities", cancellation grace periods, and even generate invoice PDFs. -
12
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... -
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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. -
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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 - SETU Invoice 1.6.4 - SETU Invoice 1.1 -
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Node.js Telegram Bot API
Telegram Bot API for NodeJS
...Depending on the properties of the Message, one of these events may ALSO be emitted, text, audio, document, photo, sticker, video, voice, contact, location, new_chat_members, left_chat_member, new_chat_title, new_chat_photo, delete_chat_photo, group_chat_created, game, pinned_message, poll, dice, migrate_from_chat_id, migrate_to_chat_id, channel_chat_created, supergroup_chat_created, successful_payment, invoice, video_note, etc. Its much better to listen a specific event rather than on message in order to stay safe from the content. Bot must be enabled on inline mode for receive some messages.T elegram only supports HTTPS connections to WebHooks. Therefore, in order to set a WebHook, you will need a SSL certificate. The library makes it easy to get started sending files. ... -
16
TimeTracker
Open-source and free to self-host
TimeTracker by DRYTRIX is a comprehensive self-hosted time tracking and project management application that helps individuals, teams, and small businesses take control of their productivity and billing. Built on a modern web stack (Python/Flask backend with a responsive frontend), TimeTracker enables users to track hours, manage projects and clients, visualize data with interactive charts, and even generate professional invoices directly from tracked time. It embraces privacy and flexibility... -
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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... -
18
QuestPDF
A library that can help you with generating PDF documents
...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 for you a step-by-step instruction that shows every detail of this implementation and describes the best patterns and practices. This library is created specifically for designing and arranging document layouts, with full paging support. Alternative solutions, such as HTML-based converters, are not designed for this purpose and therefore are often unpredictable and do not produce desired results. -
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Invoiso
Free Invoice & Billing Software for Windows & Linux
Free offline invoice software for Windows and Linux. Create professional PDF invoices, manage clients and products - no internet, no subscription, no account needed. Invoiso is a free, open-source desktop invoicing app for small businesses, shops, and freelancers on Windows and Linux. All data stays on your device — no internet required, ever. -
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Accounting lite
An accounting program (not released) and a released invoice program.
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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. -
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Dolibarr timesheet
Timesheet module for dolibarr
Module to enable a Timesheet view for project in Dolibarr Dolibarr on Sourceforge : https://sourceforge.net/projects/dolibarr/ -
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Free Invoicing Software for 2025
Simple Invoicing program for Desktop written in vba and Access
...Read the readme file, and manual for greatest use of this App. This is an upgrade to MSFrnd2a. 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 other free programs at: https://gotomarcus.com/main/marcus/index.php or gotomarcus.com/currentswms/index.php -
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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... -
25
Group Office groupware and CRM
Take your office and CRM into the cloud!
...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 by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. ...
