Information Systems Journal published a study of vendor-driven open-source license changes and the hard forks they triggered, analyzing Elasticsearch to OpenSearch, Terraform to OpenTofu, and Redis to Valkey as collective-action and governance responses to relicensing.
Freeriding and Rebellion: An Investigation of Open Source Vendor Relicensing and Member Hard Forking Events
Information Systems Journal published a study of vendor-driven open-source license changes and the hard forks they triggered, analyzing Elasticsearch to OpenSearch, Terraform to OpenTofu, and Redis to Valkey as collective-action and governance responses to relicensing.
Source: Wiley