Not an OSI approved open source licence at least. I meant to say before that it seems that AWS are (predictably) forking Elasticsearch: https://aws.amazon.com/blogs/opensource/stepping-up-for-a-truly-open-source-.... It’ll be really interesting to see what happens. David Cook Software Engineer Prosentient Systems Suite 7.03 6a Glen St Milsons Point NSW 2061 Australia Office: 02 9212 0899 Online: 02 8005 0595 From: Koha-devel <koha-devel-bounces@lists.koha-community.org> On Behalf Of Paul Poulain Sent: Tuesday, 26 January 2021 3:07 AM To: koha-devel@lists.koha-community.org Subject: Re: [Koha-devel] Elasticsearch changing licences Yikes, have you seen : https://opensource.org/node/1099 ? The SSPL is Not an Open Source License :\ Le 15/01/2021 à 06:22, dcook@prosentient.com.au <mailto:dcook@prosentient.com.au> a écrit : Hi all, Have folk heard that Elastic is changing the Elasticsearch licence? Depending on your sources and your beliefs, this may or may not matter, but certainly something to be aware of. https://www.elastic.co/pricing/faq/licensing -- Paul Poulain, Associé-gérant / co-owner BibLibre, Services en logiciels libres pour les bibliothèques BibLibre, Open Source software and services for libraries