ParentFull threadrustc·MongoDB was using AGPL before they created and switched to SSPL [1]. You're right about ElasticSearch, they were Apache-2.0 before creating and switching to the SSPL + Elastic License dual license [2].[1] https://en.wikipedia.org/wiki/MongoDB#Licensing[2] https://en.wikipedia.org/wiki/ElasticsearchView on HN