A few weeks ago, Redis changed its license from the Open Source Initiative (OSI)-approved BSD 3-Clause license to the Redis Source Available License (RSALv2). This move echoed Elastic’s earlier license change for Elasticsearch, which switched from the Apache License 2.0 to the Elastic License (ELv2). Then, just as OpenSearch was forked from open-source Elasticsearch, Valkey has been forked from open-source Redis.
