One developer working with GPL and Commercial

Licensing
#1

Could I use both Licenses at same time for different Projects/Customers?

Lets say im developing an Tool XX under GPL; one day an other customer Y comes and
says: “i want a Tool YY but not under GPL”, I could buy commercial license then for this Project?

#2

Yes. Sure you can use GPL license for open source projects, and Commercial license for closed sources projects.

#3

Apologies if this is already answered in the forums somewhere already, I wasn’t able to find it.

My question is regarding a third variation of the answer above. If I want to open source my web application, but I need capabilities that are only available in the licensed version, does that mean that I can not open source my app?

In other words, a Commercial license for open source projects.

#4

Hello @tristan ,
Please take a look at one of the terms of License Agreement:

  • Under no circumstances may any portion of the SOFTWARE’s source code or any modified version of the source code be distributed, disclosed or otherwise made available to any third party.