A complete billing and project management suite—tailored for freelancers, startups and small agencies.

Free

€0.00

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Invoices
Quotes
Accounting
Compatible with any WordPress theme that supports the Block Editor—inheriting the styles of your theme
Intuitive, Modular, Fully customizable via your theme settings
Post templates with global header and footer
PDF Export
Dashboard widget
WYSIWYG, Real-time calculation
Unique and sequential invoice numbers
Extensible
Privacy by design
No external dependencies
Multilingual: You can help translating the Plugin into your language
OpenSource GPLv2+

Pro

€229.00
(excl. VAT)

One-time payment – no recurring fees VAT may be applied at checkout 14 days money back guarantee

Add-on for the basic Billy plugin
Fair deal: Lifetime-license with free updates and new features to come
Contacts: Bulk-Import/Edit-Tool, Address book, vCards, Useful stats
Invoices⁺: Contact selector, Set current status, QR code payment
Quotes⁺: Contact selector, Set current status, Invoice-autocreation from a quote
Accounting⁺: Invoice-autosync, Autofilter, Exporter, Useful stats
To dos: Keep track of the progress of a project in a Kanban-style board
Time tracking: Keep track of project work hours
PDF-Customization: Add custom CSS and Upload a webfont
Send Invoices and Quotes as PDF attachment via a webform
UBL e-invoices
WooCommerce: Auto-create invoices from orders
Never forget birthdays of your contacts with the Upcoming Birthdays dashboard widget
Show additional information like Contact, Status and Due date in the post admin columns
GDPR-compliant by hooking into the WordPress Export Personal Data tool
Support

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Currency conversions are estimated and for informational purposes only. The billing currency is EUR. Depending on your billing country VAT may apply.

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Simple, yet powerful
—powered by WordPress.
- Invoices
- Quotes
- Accounting entries
- [PRO]
  Business Contacts
- [PRO]
  To do boards with checklists
- [PRO]
  Project Time tracking
Not reinventing the wheel
Billy integrates seamlessly into a WordPress site and reuses existing theme styles. Simple workflows save time and allow you to focus on running your business.
Core WordPress technology
Once set up, you’ll have a stable and future-proof foundation:
- Customize API
- Custom Post Types
- Custom Blocks
- Blocks Templates that are fully customizable with HTML and filter hooks
Privacy by design
Visibility of all Billy posts is set to “private” by default. No data is shared with third parties and you stay in full control.
Riskless and fair
Billy Free is a basic Open Source version to get you started.
Since nobody likes to be stuck in a contract, you can buy the Billy PRO add-on for a fair one-time fee.
It comes with enhancements like Contact management, an Email web form for quick and easy sending of invoices and quotes, simple QR code payment via mobile banking apps and useful Stats & Charts. Convenient tools for project management like To dos and Time tracking are included as a bonus.
Ultimately, you will help fund development of the free version.
Support and future updates

Docs

Changelog

Feature comparison*

	Similar products (WordPress)	Similar products (SaaS)
Support
Free Open Source version with basic functionality	/
One time payment for the Pro version
Small codebase: Seamless integration in WordPress Core technology Fast load time
Self hosted: No limitations No restrictions Full control of your data
Powered by WordPress: User roles Categories Multilingual-ready Gutenberg ready Fully customizable and extensible Individual backup strategy
All-in-one: Invoices UBL e-invoices QR code payment Quotes Email invoices and quotes to clients Accounting Contacts To dos (Kanban-style boards) Time tracking
Privacy by design	/
User data request workflow		/

Questions?

FAQ

Support

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