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Automate your bookkeeping

Get the best applications on the market, and benefit from the work of our integrations!

Logo Pennylane

Pennylane is the all-in-one solution for managing your company's finances and accounting

Invoice your customers, manage your purchases and manage your cash flow
Accounting production, revision and declarations
Pro account and payment card

Which data is synchronized?

Invoices & Credit notes

Including all details such as accounting codes and automatic bank reconciliation for Stripe & Cocardless payments


No duplication thanks to Billy's algorithm
Customer centralization is also configurable.

Purchases and suppliers

So that all your management data can be effortlessly integrated into your accounting system

Billy saves you time


No import/export, Billy works with API.


Data at source = no re-entry or OCR


You don't have to do a thing, Billy is autonomous!

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List of applications available with your Pennylane Essential or Premium subscription


Ideal invoicing software for VSEs and SMEs
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Powerful invoicing software for growing businesses
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Ideal invoicing software for online subscriptions
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Ideal software for time-based invoicing
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Powerful CRM combined with an invoicing tool
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The business partner for accounting and billing
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ERP ideal for consulting and engineering companies
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Online invoicing software, for quick creation of invoices and estimates
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Online invoice and quote creation solution for SMEs
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Management software for agencies, consulting firms and ESN
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Open source ERP and CRM
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List of applications requiring a Billy subscription


Billing software for building professionals
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Stripe (Billing)

Invoicing solution with immediate payment
Read more

Qonto (Billing) Bêta

Invoicing solution, efficient and fast
Become a beta tester

Odoo Bêta

Open source application suite
Become a beta tester

Recurly Bêta

Subscription management solution and recurring billing platform
Become a beta tester

Karlia Bêta

Complete French CRM software with billing, sales, ticketing and support, project management and time management.
Become a beta tester

Evoliz Bêta

Invoicing and pre-accounting solution
Become a beta tester

Lago Soon

Open source usage-based metering and billing software
Become a beta tester

Koban Soon

A complete, scalable tool for managing your business, whether small or medium-sized.
Become a beta tester

Shine (Billing) Soon

The online business account that simplifies your daily life
Become a beta tester

Rentman Soon

Modern rental software to efficiently manage your live event rentals and productions.
Become a beta tester

Your software
is not in the list ?



  • Up to 20 invoices
  • 1 user
  • Without historical data
Adopt Billy


  • Up to 300 invoices
  • Unlimited users
  • 3 months' history offered
Adopt Billy


  • Unlimited invoices
  • Unlimited users
  • 3 months' history offered
Adopt Billy

Free 1-year subscription for our beta-testers!
Limited to 10 subscriptions per integrated software

No set up cost
No commitment
Set up in 3 minutes

Join the 600+ companies that use Billy,
Save time by taking advantage of our integrations!

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Great news, this will save me a ton of time! 🎉

Co-founder of an online ordering service
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I was waiting for this to migrate the firm's accounting 😊

President of a public accounting firm
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We have been waiting for this integration for months 🙂

President of a marking and silk-screening workshop

Need more details?

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