License change

Why have you changed the license?

See LGPL To Polyform

• Which license does EPPlus use?

EPPlus 5 uses a dual license model, with Polyform Noncommercial as the community license and a commercial license for commercial businesses. The commercial license can be purchased at epplussoftware.com.

Versions prior to version 5 is licensed LGPL.

• With the Commercial license, can I distribute EPPlus with software that I sell?

Yes, you can - as long as you don't expose EPPlus functionality to your customers via some kind of programming interface. We will clarify this further here in the near future.

• Can I use EPPlus for my personal project?

Yes, the polyform NC license permits personal use. See Polyform Noncommercial.

• Can I use EPPlus for free in my project?

You can use EPPlus for free if you qualify as a noncommercial organization, See Polyform Noncommercial.

• How many Commercial licenses do I need?

You need one license per developer in the project referencing EPPlus. Licenses are per individual and can't be shared. If you expose EPPlus functionality as a service, developers consuming this service will also need a license.

• I'm a Contractor, can I use my license for my customers project?

EPPlus licenses are issued to the company that owns the code. This means: If your customer owns the code, they will buy the license. If you own the code and license it to the customer, you will buy the license.

• Does the Commercial license include support?

Yes, anyone who purchase a Commercial license is entitled to support via our website.

• Can I use EPPlus without a commercial license internally within a commercial company?

No, all usage within an commercial company requires a commercial license.

• Do I still need the licenses when my project is done?

When your project is complete, you only need licenses for the developers who maintain the code. If your project has been deprecated and is no longer maintained; you can cancel your subscription.

• Can I read your EULA for the commercial licenses?

Sure, it is available here