10 Free & Best Open source Billing and Invoice Software for business/personal use

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Invoice generation using a word processor or a spreadsheet is good if you are using them only for personal use. But, what about Small business owners and freelancers? They need to send an invoice to their clients on a frequent basis and want more professionals looks to their invoices. There is a wide range of commercial open source invoicing tools out there which help freelancers and small business on a tight budget. Here is a list of Free and best Open source Invoice generator Software’s

Zoho Free Invoice

The Zoho invoice is free to the web-based solution. It has both paid and a free plan for invoice generation. The free invoice plans provide invoice up to 5 Customers and 1 user. Furthermore, the free plan also features Custom Invoices, Online Payment, Expense Tracking, Projects and Timesheets, Recurring Invoice and Credit Notes.



invoiceplan Invoice

InvoicePlane is a free and open source invoicing application.  InvoicePlane software is an application that you host on your own server and use it for basic invoicing and client management.



Quick Book

The Quick Book is one of the popular premium accounting software that also offers free invoice generation with four free to use invoice template designs: Airy, Fresh, Friendly, and Modern.  This free invoice generator allows custom invoices online and downloads printable PDF samples.


Simple Invoices


Simple Invoices is a free, open-source, web-based invoicing system that you can install on your server or PC.



Note: The below Amberdms project is not active and supported now…

Amberdms Billing System 

Amberdms Billing System

The Amberdms Billing System (ABS) is a billing system that also provides a number of useful accounting and business management functions. ABS has apps for invoicing, service management, HR, and time-keeping, and is designed for small and medium businesses as well as small ISPs and IT companies.


Invoice Ninja

Invoice Ninja

Invoice Ninja provides a simple interface, intuitive invoice template, and set of powerful tools to create, manage and send invoices to customers. Also, the configuration of multiple clients, track payments, outstanding invoices, generate quotes, and email invoices are very easy and fast. It provides two hosted version one is free with only 100 clients and if your requirement is more then you can go for premium one i.e 50 dollars a year with unlimited clients. They also offer their project for download that means you can download Invoice Ninja and install it on your own server but you need to pay a small amount of fee to remove the Ninja branding…

Download or Hosted Version



siwapp Invoice

An open-source web application meant to help manage & create invoices in a simple, straightforward way.



Open Source Billing

Open Source Billing has one of the cleanest interfaces & invoice template which makes it easy to use and configure. Open Source Billing  dashboard is quite impressive, which tracks your current and past invoices, as well as any outstanding amounts.




freeside Invoice billing

Freeside is a billing, trouble ticketing and provisioning automation software tailored to online businesses, including ISPs, ITSPs, hosting and content providers. The billing functionality includes real-time credit card and e-cheque processing using the popular payment gateways; e-mail, fax, printed and online invoicing.




CitrusDB billing Invoice

CitrusDB is a billing system developed with PHP and MySQL that can also be used to keep track of customer information (CRM), services, products, invoices and credit cards, and support information. The goal of the project is to provide an open source customer care and billing solution that can be used in many different service industries like ISPs, consulting and telecommunications.




JBilling Invoice billing

JBilling can be used by any subscription-based service to track and bill customers. It adapts as your business changes, and it’s much easier than creating your own in-house solution. Its features include automated invoice generation and payment processing; the ability to send invoices as e-mails, PDF attachments or paper.



Rajkumar Mauryahttps://www.how2shout.com
Rajkumar Maurya is the H2S Media tech expert. He’s always been passionate about technology and has been writing on the subject since 2014. He has extensive knowledge of all kinds of technology, from consumer-tech to enterprise solutions. You can contact the author at-- raj@how2shout.com


  1. Invoice Ninja: “you can download Invoice Ninja and install it on your own server without any restriction”. That’s not true, the invoices get a branding with the invoice ninja logo. You have to pay for a license to remove it.

  2. Incredible list! Really effective article I have read. Well explained things and covering up all the minor details. I must say your explaining power is really amazing. The software mentioned in this can also be used by startup companies and freelancers. I’m definitely going to use one of this software for my company. Keep explaining such things and keep writing.


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