Simple Invoice Manager – Invoicing Made Easy

🚀 Overview

Simple Invoice Manager – Invoicing Made Easy is a streamlined, ready-to-deploy web application built for managing invoices, payments, quotations and clients. It is designed to let freelancers, small businesses and agencies streamline their billing process—from quote to invoice to payment receipt—quickly and professionally. :contentReference[oaicite:0]{index=0}

The script reflects real-world billing workflows: issuing quotations, converting them to invoices, tracking payments, managing multiple billing companies, monitoring due/overdue invoices, and generating reports. These features highlight the developer’s experience and domain expertise. :contentReference[oaicite:1]{index=1}

Target users: Freelancers, small to medium sized businesses, service providers, agencies, accountants, and developers who need a lean invoicing system they can host, customize and integrate with minimal overhead.

✨ Key Features

• Quotes & Invoices: Create quotations, convert to invoices, send by email or download as PDF. :contentReference[oaicite:2]{index=2}
• Recurring Invoices: Automate repeating billing cycles to reduce manual work. :contentReference[oaicite:3]{index=3}
• Multiple Billing Entities: Manage more than one company’s billing within a single installation—useful for agencies or multi-brand operations. :contentReference[oaicite:4]{index=4}
• Payment Tracking: Mark invoices as paid, track partial payments, overdue status and generate ledger or client-account summaries. :contentReference[oaicite:5]{index=5}
• Custom Fields & Multiple Taxes: Add custom fields for clients/products/invoices; support for multiple tax rates (e.g., Indian GST scenarios). :contentReference[oaicite:6]{index=6}
• Reports & Analytics: View daily/monthly sales, outstanding invoices, export to CSV, and print summaries. :contentReference[oaicite:7]{index=7}
• Responsive Interface & Themes: Built with Bootstrap and CodeIgniter (per legacy versions) for a clean UI and mobile-friendly access. :contentReference[oaicite:8]{index=8}
• Online Payment Integration: Supports gateways like PayPal and Stripe for accepting payments directly. :contentReference[oaicite:9]{index=9}

⚙️ Technical Stack

• Framework: Built on CodeIgniter (legacy version) according to listing; modern PHP versions supported via updates. :contentReference[oaicite:10]{index=10}
• Languages: PHP (server-side), JavaScript (client-side), HTML5/CSS3 for UI.
• Database: MySQL/MariaDB typical for such PHP applications.
• Server Requirements: Apache or Nginx, PHP 7.x/8.x recommended, required extensions include mbstring, openssl, curl; HTTPS strongly advised for production billing. :contentReference[oaicite:11]{index=11}

🧩 Installation Guide

1. Upload files: Upload the Simple Invoice Manager package to your web server document root.
2. Create database: Set up a MySQL/MariaDB database, create a user and assign privileges.
3. Configure environment: Edit the config file or .env (if present) and set database credentials, site URL, SMTP settings for email.
4. Run installer or import SQL: If an installer is provided run it, or import the provided SQL file to populate tables. :contentReference[oaicite:12]{index=12}
5. Set permissions: Ensure directories like /uploads/, /cache/ (if applicable) are writable by web server.
6. Configure payment gateways & tax settings: Enter your gateway credentials, define tax rates, company logo and default templates.
7. Test the setup: Create client, add product/service, issue a quote and invoice, mark payment and review reports.

📦 Deliverables

• Full source-code of Simple Invoice Manager – Invoicing Made Easy (as listed on CodeCanyon). :contentReference[oaicite:13]{index=13}
• Admin panel for invoice/quotation/client management, product/service catalog, recurring billing logic.
• Documentation/README outlining installation steps, customization options and update logs. :contentReference[oaicite:14]{index=14}

📱 Supported Platforms

• Web Browsers: Chrome, Firefox, Safari, Edge – for admin and user interfaces.
• Devices: Desktop and tablet; the responsive UI works on mobile browsers though billing workflows are easier on larger screens.
• Server OS: Linux (Ubuntu/Debian/CentOS) preferred; macOS or Windows Server environments also possible with the required PHP & MySQL stack.

🧠 Notes

• License: This product is distributed under the GPL licence when available via marketplaces or GPL aggregators (verify vendor terms). :contentReference[oaicite:15]{index=15}
• Customization tips: You may extend the system by adding integrations (e.g., accounting systems, CRM), build a REST API layer, add custom invoice templates/themes, support multi-company or multi-currency if needed, and apply brand styling via CSS and template overrides.
• SEO assurance: While this is internal invoicing software (not public-facing search pages), good coding and user-friendly UI enhance reliability and professional presentation—helping you trust the system for production billing. The documentation and update log add to trustworthiness. :contentReference[oaicite:16]{index=16}
• Experience highlight: The script demonstrates practical invoicing features—recurring billing, multiple billing companies, custom fields and tax support—which show the author’s domain expertise in business-billing workflows. :contentReference[oaicite:17]{index=17}

👨‍💻 Original Developer Credit

Developed by Tecdiary and listed on CodeCanyon as “Simple Invoice Manager – Invoicing Made Easy”. :contentReference[oaicite:19]{index=19}
Purchasing the official license from the original author ensures you receive updates, support and full asset access.

🔒 Disclaimer

This description is provided for informational and GPL-distribution awareness only. We are not the original developer or rights-holder. All trademarks, logos and brand assets remain the property of their respective owners. For production deployment, please obtain a valid license, ensure your hosting environment is secured (use SSL/HTTPS), maintain backups and verify compliance with local billing/regulatory requirements.