Open-Source Billing & Invoicing Software

UniBee’s open-source billing software lets you tailor the billing processes needed for your business. Choose from customizable invoicing templates and flexible subscription models, to create the billing system that you want.

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Save big on billing

Since UniBee is open-source it eliminates the need for monthly or yearly fees, allowing you to allocate those savings towards developing customized logic or plugins tailored to your business needs.

Invest in your business growth without breaking the bank.

Open and extensible architecture

Our open-source software is open by nature and easily extended:

  • Add your own customer logic.
  • Integrate with other systems in your infrastructure.
  • Integrate with any third-party vendor necessary to facilitate billing and payment processing.
  • You don’t need to rely on a software provider to add the features and integrations your business needs.

Minimize operational risk

Follow your own timeline for adding or upgrading features. Easily validate configuration and code changes. Select who you want to integrate with. No worries about software releases that negatively affects your business , gets hacked, or goes offline.

software built for and trusted by SAAS businesses

Highlighted Features

Customisable Billing Models

Recurring, one-time, usage-based, and more. Build on top of UniBee according to your own needs.

International Business Structure

Build up different invoicing templates for your subsidiaries. Manage your global audience in one billing system.

Revenue Analytics

Get real-time reports of your revenue and user growth trends with our Analytics Dashboard.

Multiple Payment Gateways

Accelerate your growth by leveraging multiple payment gateways that cover regional and global markets.

Support Crypto

Revolutionize payment methods, go Crypto! Popular cryptocurrencies are all supported in UniBee.

Automated Invoicing

Streamline your billing with automated, accurate invoicing and notification system.

Why Open-Source Billing is the Ideal Choice for Growing Businesses

Open-source billing has become a preferred choice for businesses looking for flexibility, scalability, and cost efficiency in their billing operations. Unlike proprietary platforms, open-source solutions allow companies to modify and extend their billing systems without vendor restrictions. This level of control is especially valuable for businesses managing recurring payments, subscriptions, or usage-based pricing models, where adaptability is key to long-term success.

One of the biggest advantages of open-source billing is cost reduction. Many proprietary solutions come with high licensing fees and limited scalability, making it difficult for businesses to expand without incurring additional expenses. Open-source alternatives eliminate these restrictions, providing a cost-effective way to customize billing workflows, integrate new features, and automate processes without significant overhead.

Security is another factor driving businesses toward open-source billing. Having access to the source code enables companies to implement their own security measures, ensuring compliance with industry regulations and protecting sensitive financial data. Businesses can customize fraud prevention protocols, enhance data encryption, and integrate with third-party security solutions to align with their specific requirements.

Beyond security, open-source billing benefits from continuous innovation. A global community of developers contributes to platform improvements, offering regular updates, new features, and security patches. This ensures that businesses using open-source billing systems stay ahead of technological advancements without depending on a single vendor for support or upgrades.

However, when choosing a billing system, businesses must evaluate whether an open-source or proprietary solution best aligns with their needs. Each option has its own advantages, from full customization and cost savings to dedicated customer support and built-in compliance tools. Understanding these differences is crucial when selecting a subscription billing system. For a detailed comparison, this guide on open-source or paid subscription billing solutions explores the key considerations to help businesses make an informed decision.

The ability to customize and scale a billing system is essential for businesses looking to optimize revenue management. Open-source solutions provide the flexibility needed to adjust pricing models, streamline subscription processes, and integrate with other financial tools. As companies grow, having a billing system that evolves alongside their needs ensures long-term efficiency and financial stability.

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Success stories

UniBee helps SaaS businesses thrive - see how our clients manage their recurring billing effectively!

See how Nodemaven optimized its billing systems, tracked revenue growth and customized UniBee to fit their needs. All this was made possible thanks to the freedom of open-source projects.

An interview with Nodemaven CEO, Stan Sadokov.

Manage your global user base in one billing system.

Join other SMBs and enterprises that are already using UniBee to optimize their billing solutions.