Re:Amazon: Not OK – Why we had to change Elastic licensing
by ABeeSea on Tuesday January 19, 2021 @04:33PM
(#25839164)
And most companies have decided that the fee of opening their entire code base to use a single GPL library isn’t worth it. That is heft license fee if you have invested billions into creating your company’s source code.
GPL allows you to "use" but not "make derived works".