HostBill!

BILLmanager is a linux-based control panel for automating client management, invoicing and billing. This software specifically developed for hosting service providers will help you manage and take complete control of various aspects of your business:

DCImanager facilitates the deployment and management of your dedicated servers and data center infrastructure, reduces setup and operational costs, decreases downtime while providing enhanced functionality to your clients and customers.

WHMCS is an all-in-one client management, billing & support system for online businesses. WHMCS handles everything from signup to termination, with automated billing, provisioning & management. With WHMCS, you're in control with a very powerful business automation tool.

Ubersmith is:

Nukern is an automated billing and cloud provisioning platform for web hosts and digital agencies. It automates the recurring invoicing and the re/selling of cloud & web hosting services. In a couple clicks, you can link your servers to our platform and be online with your Nukern storefront, ready to sell hosting services to all your clients.

Atomia was founded in 2009 by a group of hosting industry veterans who wanted to build a flexible, modular, and scalable hosting software platform with powerful service automation, something they felt no one had really managed to achieve yet.

WeFact Hosting is an easy-to-use and beautiful designed billing solution specially made for hosting and webdesign companies. Automate your company, register domains realtime, create hosting accounts on your server, process orders and send invoices. An order form with domain checker and client area are included!

Complete client management, billing & support software. BoxBilling is free and will always be free! You can sell any product imaginable - web hosting, software licenses, servers, downloadable products and setup any custom products.

Manage your own Hosting Company by ShineISPbilling software – Domain Management – Free Open Source – New BSD license

a free, web based Data Center Infrastructure Management application.

TheHostingTool was launched on the 3rd of December 2008 aiming to provide the next generation in free, hosting applications. It provides you, the webhost, near complete automation on everything you want it to do. So that means, signup, monthly posts checking, suspension, and termination. While it does that, it provides client features, like the client control panel that gives the clients the power to manage their account. In addition, they can check their monthly forum posts, edit their details, and check announcements. TheHostingTool also has relatively frequent updates and great support from a growing community. »

ZBilling Net is a Free ASP.NET MVC Billing solution not just for WebHostings and Freelancers, but for everyone that are looking for a recurring billing software.

RackNap is a Cloud Service Delivery and end-to-end Business Cycle Automation platform for cloud, datacenter, telco and hosting industry. Enabling providers to sell cloud services on their own infrastructure, as well as via third party providers like Microsoft, Amazon, Google and IBM. RackNap covers all facets of business operations – sales and marketing, billing, inventory management, support, marketplace and multi-tier partner management – all backed by business intelligence.

BillingServ provides hosting companies & small businesses with a software as a server billing system designed to increase ease of billing, cut costs and increase stability as BillingServ is hosted in the cloud.

Nlyte Software was formed in 2004 by data center managers driven to find a better way to manage the complexity of data center resources, assets and staff than the limited arcane tools that were in use. They knew that spreadsheets, Visio and CAD drawings were tactical responses to a strategic problem that did not address the mission critical nature of computing.