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Invoice No. VS php eventloop

Compare Invoice No. VS php eventloop and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

Invoice No. logo Invoice No.

Free invoice generator with 150+ profession templates, plus receipt, quote and purchase order tools. No signup. No data stored. Download PDF in seconds.

php eventloop logo php eventloop

a simple non blocking and async event loop written in php
  • Invoice No. Landing page
    Landing page //
    2026-04-24

Invoice No. is a free browser-based toolkit built for freelancers and small businesses. You can generate invoices, receipts, quotes, purchase orders, credit notes, delivery notes, timesheets and expense reports without creating an account or handing over your email address.

The tool comes with over 150 profession-specific invoice templates covering photographers, web developers, plumbers, consultants, personal trainers and many more. You pick your profession, the form fills in with sensible defaults, you adjust the details and download a clean PDF in seconds.

Everything runs entirely in your browser. No data is sent to any server, no account is required, and the core tools are free to use forever. The interface is available in 13 languages and supports over 30 currencies.

  • php eventloop Landing page
    Landing page //
    2023-07-27

Invoice No. features and specs

  • Simple Invoice Generation
    Invoice No. provides a straightforward and easy-to-use interface for generating invoices quickly, making it accessible even for freelancers and small business owners without accounting expertise.
  • Free to Use
    The platform offers free invoice generation capabilities, which is particularly beneficial for freelancers, solopreneurs, and small businesses that need basic invoicing without incurring additional costs.
  • No Installation Required
    Works entirely in your browser with no app to download or install.
  • Clean and Professional Templates
    The service provides clean, professional-looking invoice templates that help users present a polished image to their clients without needing design skills.
  • Quick Setup
    Users can get started with minimal setup time. There is little to no learning curve, allowing users to create their first invoice almost immediately after visiting the site.
  • Receipt Generator
    Lets you create a professional PDF receipt for any payment, with the same templates as the invoice tool.
  • Quote Generator
    Create a fixed-price proposal with an expiry date and send it as a PDF before the job starts.
  • 150+ Profession Templates
    Pre-filled invoice templates for over 150 professions including photographers, web developers, plumbers, consultants and personal trainers.
  • No Data Stored
    Everything runs in your browser. No information is sent to any server at any point. Your client and business details stay on your device.
  • Multi-Currency Support
    Supports over 30 currencies. Switch currency per invoice without changing your account settings.
  • VAT Calculator
    Built-in VAT calculator covering all 27 EU member states plus UK, US, Australia and more.
  • 13 UI Languages
    The tool interface and PDF output are available in 13 languages including German, French, Spanish, Portuguese, Arabic, Hindi, Japanese and Chinese.

php eventloop features and specs

  • Simple and lightweight
    The library provides a minimalistic implementation of an event loop in PHP, making it easy to understand and integrate into small projects without heavy dependencies.
  • Educational value
    As a straightforward PHP event loop implementation, it serves as a great learning resource for developers wanting to understand how event loops and asynchronous programming concepts work under the hood in PHP.
  • Non-blocking I/O support
    The library enables non-blocking I/O operations in PHP, allowing developers to handle multiple tasks concurrently without relying on multi-threading, which PHP does not natively support well.
  • Timer and periodic task support
    It provides built-in support for timers and periodic tasks, enabling developers to schedule recurring operations or delayed execution within the event loop.
  • Pure PHP implementation
    The library is written in pure PHP without requiring external C extensions, making it portable and easy to install across different PHP environments without special compilation steps.

Possible disadvantages of php eventloop

  • Limited community and support
    The project has a very small community with minimal stars, forks, and contributors on GitHub, which means limited peer support, fewer bug reports, and potentially slower issue resolution.
  • Not production-ready
    Given its small scale and limited adoption, the library may not be battle-tested enough for production environments where reliability, performance, and stability are critical.
  • Limited features compared to alternatives
    More established PHP async libraries like ReactPHP, AmpPHP, and others offer far more comprehensive ecosystems with HTTP servers, database clients, and stream handling that this library lacks.
  • Performance limitations
    Being a pure PHP implementation without leveraging extensions like ev, libuv, or swoole, the event loop may suffer from performance bottlenecks compared to extension-backed alternatives when handling high concurrency.
  • Poor documentation
    The repository has minimal documentation and examples, making it difficult for new users to understand the full API, edge cases, and best practices for using the library effectively.

Analysis of Invoice No.

Overall verdict

  • Invoice No. (invoiceno.com) is a solid, user-friendly invoicing tool that makes it easy for freelancers and small businesses to create and manage professional invoices quickly, often at little to no cost.

Why this product is good

  • Simple and intuitive interface that lets you create invoices in minutes without a learning curve
  • Professional, customizable invoice templates that help present a polished image to clients
  • Often free or low-cost, making it accessible for freelancers and small businesses on a budget
  • Supports online, browser-based access so you can generate invoices from anywhere
  • Handles essentials like tax calculations, itemized billing, and PDF export or download

Recommended for

  • Freelancers and independent contractors who need quick, professional invoices
  • Small business owners looking for an affordable invoicing solution
  • Startups and solopreneurs who want a no-fuss billing tool
  • Anyone needing to occasionally generate one-off invoices without committing to expensive accounting software

Analysis of php eventloop

Overall verdict

  • php-eventloop is a lightweight event loop implementation for PHP that provides a solid, minimalistic solution for developers wanting to implement asynchronous, non-blocking behavior without adopting a full framework like ReactPHP or Amp. It's good for learning purposes and simpler use cases, though it lacks the extensive ecosystem, tooling, and production hardening of more established async libraries.

Why this product is good

  • Lightweight and simple to understand, making it easy to integrate into small projects
  • Useful for learning how event loops work under the hood in PHP
  • Minimal dependencies compared to larger async frameworks
  • Open source and available for inspection/modification on GitHub
  • Can be a good starting point for building custom async solutions

Recommended for

  • Developers learning about event-driven programming in PHP
  • Small projects needing basic async functionality without heavy dependencies
  • Educational purposes and understanding event loop internals
  • Prototyping simple non-blocking I/O operations
  • Developers who want full control over a minimal event loop implementation

Category Popularity

0-100% (relative to Invoice No. and php eventloop)

Invoice No.

php eventloop

Invoicing
100 100%
Invoicing
0% 0
Eventloop
0 0%
Eventloop
100% 100
Billing & Invoicing
100 100%
Billing & Invoicing
0% 0
PHP
0 0%
PHP
100% 100

Questions & Answers

As answered by people managing Invoice No. and php eventloop.

What's the story behind your product?

Invoice No.'s answer

Invoice No. was built out of frustration with existing invoicing tools that either cost money, require an account, or produce ugly PDFs. The goal was to make something that looks professionally designed, works instantly and stores nothing. It started as a single invoice generator and grew into a full suite of free document tools for freelancers.

Which are the primary technologies used for building your product?

Invoice No.'s answer

Next.js, TypeScript, Tailwind CSS and React-PDF. The entire application runs as a static site with no backend, no database and no server-side processing.

What makes your product unique?

Invoice No.'s answer

Most invoicing tools ask you to create an account before you can do anything. Invoice No. skips all of that. You open the page, fill in your details and download a PDF. Nothing is stored on any server. Your data stays entirely in your browser, which is something almost no other invoicing tool can say. It also covers a lot more than just invoices. You get receipts, quotes, purchase orders, credit notes, timesheets, expense reports and a set of calculators, all free and all working the same way.

How would you describe the primary audience of your product?

Invoice No.'s answer

Freelancers, independent contractors and small business owners who need to send professional invoices, receipts or quotes without the overhead of full accounting software. Particularly useful for people who invoice occasionally rather than every day and do not want to manage a subscription for something they use a few times a month.

Why should a person choose your product over its competitors?

Invoice No.'s answer

If you are a freelancer or small business owner who just needs to send a professional document without paying a monthly fee or handing over your email address, Invoice No. is the fastest way to do it. There is no subscription, no trial period and no feature locked behind a paywall. You also get over 150 profession-specific templates so the form comes pre-filled with sensible defaults for your type of work.

User comments

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What are some alternatives?

When comparing Invoice No. and php eventloop, you can also consider the following products

FreshBooks - The ideal accounting software for small business owners.

Zoho Invoice - 100% free online invoicing software for small businesses.

Wave Financial - Award-winning financial software designed for entrepreneurs.

InvoiceApp - Beautiful online invoicing software for small businesses

InvoiceDesire - Professional invoicing with zero data footprint. 6 designer templates. 100% free & no login.

Invoice Generator - Privacy based invoice generator

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