FOSSBilling
Free billing and client management system, popular with hosting providers.
GitHub stars
1,716
Repo updated
Oct 2026
License
Apache-2.0
Technology
PHP
What is FOSSBilling?
FOSSBilling is a free, open source billing and client management system that helps online service businesses automate invoicing, payments and client communication. It is popular with web hosting providers but also works for software licensing, digital downloads and subscription services. The project notes it is currently considered beta.
Best for Hosting and online service businesses that sell recurring services to many clients.
In depth
FOSSBilling features
Strengths
- Designed for recurring service businesses.
- Extensible.
- Multi-language.
Limitations
- The project describes itself as beta, with rough edges and limited support.
- Not a general accounting system.
- Review the security practices of any extension.
Where FOSSBilling fits in your business
We compare FOSSBilling with similar tools in these small business buying guides:
Installing and hosting FOSSBilling
Follow the project's own installation guide for exact, current steps. See the official documentation.
Information checked 16 October 2026 from the project's documentation. Versions change, so confirm before running commands on a production server.
Need a server to host it?
Docker, Node, Python, Java and similar stacks usually need a VPS where you can install your own software. A small VPS is enough to start, and you can upgrade later. Hostinger offers both shared web hosting and VPS plans.
Affiliate disclosure: this is an affiliate link. If you buy through it we may earn a commission at no extra cost to you. CRMs and software are listed independently of any hosting partner. Learn more.
Similar software
InvoicePlane
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InvoiceShelf
Open source invoicing for people who want to own their business data.
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Invio
Self-hosted invoicing without the bloat: create an invoice, share a link, get paid.
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Official links for FOSSBilling
Always download from the official sources to get the latest and safest version.
Frequently asked questions about FOSSBilling
Is FOSSBilling stable?
The project says it is under active development and currently considered beta, so expect rough edges.
Who uses FOSSBilling?
Mainly web hosting providers and online service businesses, though it also fits software licensing and digital downloads.
Does FOSSBilling support several payment gateways?
Yes, it supports multiple gateways.
Data verified 16 October 2026 from the project's public repository, LICENSE file and documentation. Details change, so check the official sources. See our disclaimer. Found a mistake? Tell us.