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• Is EPL-2.0 with Secondary License considered dual licensing? (the same principle is used in MPL-2.0 and EUPL-1.2)
• Is the EUPL compatible with the GPL and other F/OSS licenses?

Open-Source refers to any software that is distributed under a license approved by the Open Source Initiative. Closed-source is strictly defined as opposed to Open-Source, but can also mean: "not available online for the general public" depending on context.

• Is EPL-2.0 with Secondary License considered dual licensing? (the same principle is used in MPL-2.0 and EUPL-1.2)
• Is the EUPL compatible with the GPL and other F/OSS licenses?

Open-Source refers to any software that is distributed under a license approved by the Open Source Initiative. Closed-source is strictly defined as opposed to Open-Source, but can also mean "not available online for the general public", depending on context.

EUPL is a compatible copyleft license. What is "compatible about"? It means that you can combine a EUPL licensed software with a LGPL/GPL/AGPL/EPL/MPL software and the licensed of the third-party software will apply.

Open-Source refers to any software that is distributed under a license approved by the Open Source Initiative. Closed-source is strictly defined as opposed to Open-Source, but can also mean: "not available online for the general public".

EUPL is a compatible copyleft license. What is "compatible" about? It means that you can combine a EUPL licensed software with a LGPL/GPL/AGPL/EPL/MPL software and the licensed of the third-party software will apply.

Open-Source refers to any software that is distributed under a license approved by the Open Source Initiative. Closed-source is strictly defined as opposed to Open-Source, but can also mean: "not available online for the general public" depending on context.

Open-Source refers to any software that is distributed under a license approved by the Open Source Initiative. Closed-source is strictly defined as opposed to Open-Source, but can also mean: "not available online for the general public".