Invoicing Software

Resell with Us

Powered by FlyPapyrus Proposal, invoice & quotation

Create professional proposals, quotations, estimates, and invoices — then email them, collect digital signatures, and get paid online with PayPal and Stripe.

Resell license included. White-label it as your software, sell to unlimited clients, and keep 100% of the profit. No royalties.

Invoicing Software feature preview

What is Invoicing Software?

Invoicing Software (FlyPapyrus) brings proposal creation, quotation management, invoicing, online payments, digital signatures, customers, expenses, tasks, calendar, notifications, and reporting into one platform. Create a document, attach PDFs and photos, preview, then send by email.

White‑label ready: your logo, brand name, title, and footer. Full source code included.

Send. Sign. Get paid.

Proposal · Invoice · Pay

Core Features at a Glance

Everything a proposal-and-invoice business needs – fully white‑label ready.

Proposals & Quotes
Estimates and invoices too
PDF & Photos
Merge docs with proposals
Digital Signature
Accept from email
Online Payments
PayPal & Stripe
Tax & Discount
Item-wise tax + reports
Expenses
Categories and profit view
Tasks & Calendar
Follow-ups and reminders
Multilingual
EN, AR, FR, ES

Perfect For

Sell to businesses that send proposals and invoices every week.

Freelancers
Small businesses
Service businesses
Agencies
Consultants
Contractors
Sales teams
White-label resellers

All Powerful Features

Click a feature header to see its details — no long scroll.

Create Proposal, Invoice & Estimate Quickly

Invoicing Software is designed to reduce the time required to prepare professional business documents. Set up your information once, make quick selections, and send your proposal or invoice immediately by email.

Quick proposal creation

Quick quotation creation

Quick estimate creation

Invoice creation

Save time preparing business documents

Send documents immediately by email

Attach PDF Documents to Your Proposal

Add supporting PDF documents that are frequently required with your proposals. Select only the documents applicable to a particular proposal and let the system merge them with the proposal.

Upload frequently used PDF documents

Select applicable documents using checkboxes

Merge selected documents with the proposal

Keep supporting documents together with the proposal

Attach Photos to Your Proposal

Add unlimited photos to a proposal when visual information helps explain what the client is going to receive.

Attach multiple photos

Use photos as proposal supporting material

Present project or service information visually

Custom Background & Text Color

Customize the appearance of your proposals by choosing a background color and text color that better match your business branding.

Choose proposal background color

Choose proposal text color

Match proposals with your brand identity

Cover Letter

Add a cover letter to your proposal when additional introductory information is required.

Add a cover letter to a proposal

Use an existing PDF as a cover letter

Select the cover letter for the proposal

Attach the cover letter at the beginning of the proposal

Tax & Discount Management

Multiple tax support

Item-wise different tax

Tax report

Discount management

Preview Before Sending

Review your proposal before sending it to help prevent unwanted mistakes. Make necessary corrections and then send the final version to your client.

Preview proposal before sending

Check document details

Make necessary corrections

Send after final review

Send Directly to Email

Save time by creating the proposal and sending it directly to your client's email from the system.

Create proposal

Send directly by email

Reduce manual document-sharing steps

PDF, Print & Draft

Download proposals as PDF

Print proposals instantly

Save proposals as drafts

Use saved drafts for future work

Responsive on All Devices

Invoicing Software is designed with responsive layouts so users can work with the system across desktop, tablet, and mobile devices.

Desktop responsive

Tablet responsive

Mobile responsive

Accept Proposal Directly from Email

Clients can accept proposals directly from the email they receive, making the approval process faster and more convenient.

Client receives proposal by email

Client can accept the proposal directly from email

Digital signature can be completed when accepting the proposal

Proposal Web View

Clients can open a web-based preview of the proposal for a better viewing experience.

Proposal web preview

Download facility

Email facility

Print facility

Online Payment

Send an invoice to the client by email and allow the client to make an online payment.

Send invoice by email

Client can pay online

PayPal integration

Stripe integration

Multilingual Support

Invoicing Software supports multiple languages, making the system suitable for businesses serving customers in different regions.

English

Arabic

French

Spanish

Support for multilingual content

Notifications

Stay informed about important business activities with system notifications.

Invoice paid notification

Proposal accepted notification

Scheduled job notification

Customizable Content

Customize proposal and email content to match your business communication style.

Customize proposal body

Customize proposal email body

Customize invoice body

Multiple placeholder variables

Digital Signature

Clients can provide a digital signature when accepting a proposal, helping businesses complete the approval process electronically.

Digital signature during proposal acceptance

Electronic proposal approval

User Access Control

Manage user access and control what different users can access inside the system.

Add users

Manage user access

Control access according to user responsibilities

White-Label Support

Present Invoicing Software under your own business identity with white-label customization options.

Set your own logo

Set your own brand name

Set your own title

Set your own footer

Customer Notes

Keep customer-specific notes so your team can maintain useful information and make better decisions about customers.

Keep unlimited customer notes

Maintain customer-specific information

Support better customer decisions

Expense Management

Track business expenses and organize them by category. Expense information can be used to provide better visibility into profit based on money received and business expenses.

Track expenses

Expense categories

Monitor business expenses

Profit visibility based on received amount and expenses

Task & Calendar

Manage customer follow-ups and scheduled work with built-in task and calendar functionality.

Customer follow-up

Scheduled tasks

Reminders

Calendar

Dashboard & Reports

Get a quick overview of important business information through an informative dashboard and various reports.

Informative dashboard

At-a-glance business insights

Various reports

Demo

Resell This


How It Works

From zero to selling in one day.

1

CHOOSE PARTNERSHIP TIER

Pick your product and license tier – SaaS or Redistribution Rights. We have options for every budget.

2

ADD YOUR BRAND

Set product name, logo, your domain – we handle the rest. Your brand, your identity.

3

LAUNCH WITH SUPPORT

We provide free support and 4h live training to ensure your success from day one.

4

START SELLING

Sell to YOUR clients under YOUR brand. At your own price. Start earning instant.

Choose Your Partnership Tier

This version has a multi-installation facility. You will install the software differently for each client. The license in software will control the piracy or misuse of the software.

Feature Freelancer
$399
Startup
$649
Company
$999
Full Source Code
Unlimited Installation Max 30 Clients Max 80 Clients
Lifetime Updates
White Label
License Management System
Support Regular Priority High Priority
Response Time 48–72h 24–48h 01–24h
Installation Guidance One-time Up to 5 Times Multiple times
Support After Code Modification Limited
Server Troubleshooting
Buy Now → Buy Now → Buy Now →

You will host it on server and your clients will singup and use the software and pay you monthly.

Feature Freelancer
$399
Startup
$649
Company
$999
Full Source Code
Unlimited Client Registration Max 30 Clients Max 80 Clients
Lifetime Updates
White Label
Multi Tenancy Type Single DB Single DB Separate DB per client
Support Regular Priority High Priority
Response Time 48–72h 24–48h 01–24h
Installation Guidance One-time Up to 5 Times Multiple times
Support After Code Modification Limited
Server Troubleshooting
Buy Now → Buy Now → Buy Now →

SaaS vs Redistribution Right – Explained

Two powerful ways to resell software. Choose what fits your business.

What is SaaS?

You host the software on your server. Your clients create accounts and pay you monthly to use it. As admin, you control all clients from a central dashboard.

Recurring revenue model

Single installation, many clients (multi‑tenant)

What is Redistribution Right?

Redistribution Right allows you to install the software unlimited times, access the full source code, rebrand it as your own, sell under your own branding, receive support from us, and get lifetime updates.

One‑time fee per client (or your own pricing)

License system prevents piracy (domain locking)

Key Difference

SaaS: You host it on your server. Clients sign up and pay monthly. One installation serves all clients (multi‑tenant).

Redistribution Right: Multi‑installation facility. You install the software separately for each client (single‑tenant). License key in the software controls piracy or misuse.

Both models include full source code, white label branding, lifetime updates, and support. Your brand, your customers.

What You Will Get as a Reseller

Source Code – 100% complete, nothing hidden
Database – full access & transparency
Documentation – technical setup guide
User Guide – for your clients
Marketing Material – brochures, email templates
Logo & Brand Assets – full branding kit
Written Agreement for White Label – redistribution rights
Support – 6 months free (bug fixes, installation help)
Unlimited Installation Facility – sell to unlimited clients
Product Landing Page – ready to host
Brochure – print‑ready sales sheet
4‑Hour Live Training – personal onboarding

* Source code is included only in Redistribution License. SaaS version includes all except source code & database.

Why Resell With Us?

Build your own software brand — without starting from scratch

Item Build Yourself
High Risk
Affiliate Program
Low Return
Resell With Us Best path Recommended
Time to first sale 6–18 months 1 day 1 day
Upfront cost $9,000–$50,000+ $0 $399–$999
Your brand
Control pricing
Own customer data
Unlimited copies
Piracy protection Build yourself Vendor handles We provide
Support & Training You handle it Limited vendor support 6 months free + 4h training
Profit (keep 100%) 100% Commission 20–30% 100% (no royalties)

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Frequently Asked Questions

Honest answers for invoicing software resellers.

Yes. Upload frequently used PDFs, select the applicable files, and merge them with a proposal. You can also attach unlimited photos.

Yes. Clients can accept from the email they receive, complete a digital signature, and open a web preview with download, email, and print.

Yes. Send an invoice by email and let the client pay online. PayPal and Stripe integrations are included.

English, Arabic, French, and Spanish.

Absolutely. Every reseller receives a written redistribution certificate with official permission. You own the right to rebrand and sell.

No. 100% white label. No "powered by" links, no backlinks, no mention of us. Your logo, your domain, your branding.

You can just show the written partnership document that we provide to you. Also if you target only your local cities rather than global marketing, there is no possibility to find original. None of our past resellers faced this till now.

Our license system prevents sharing. Domain locking – so your source code stays yours.

We have two options:
Option 1: You pay us based on support calls. Our hourly rate is 12.5 USD.
Option 2: We can make a monthly contract based on time consumption and urgency.

No. We do not include any backdoors, tracking mechanisms, or hidden access in the source code. You receive full ownership and complete control over the licensed source code.

Standard support (6 months) includes: Bug fixes related to the original product, installation and setup assistance for up to three client deployments, technical guidance, and general troubleshooting.
Customization, feature enhancements, or design changes are not included in standard support.

Yes. Customization and feature development are available as separate paid services at USD 12.50 per hour. Email info@doorsoft.co with your requirements.

Basic technical knowledge is recommended (e.g., ability to install PHP/MySQL applications, configure domains). Our team provides installation guidance, documentation, and 4‑hour live training. If you choose our SaaS white‑label version, no technical setup is needed – we host and maintain everything.

We accept payment methods you actually use

No PayPal holds. No Stripe restrictions. No complex KYC delays.

Wise Payoneer (Card, PayPal, Bank) PayPal Xoom Western Union Remitly MoneyGram USDT (Binance) TapTap Send Direct Bank Transfer
Payment link sent via email
Delivery via Google Drive within 3h
Written agreement provided

Why should trust us?

You are not buying from an unknown seller. Every ResellReady product is owned and built by Door Soft.

All products on this site belong to Door Soft

Find more about Door Soft

Sister concern of Door Soft

Ready to resell Invoicing Software?

Choose your partner tier and start selling under YOUR brand within 24 hours.

We accept Wise, Payoneer, PayPal Xoom, Western Union, Remitly, USDT, Bank Transfer.