Elasticsearch

Current license

• AGPL-3.0 · Network copyleft
• SSPL-1.0 · Source-available
• ELv2 · Source-available

Repository: elastic/elasticsearch

License timeline

1. Initial license
   Apache-2.0
2. Jan 14, 2021
   → SSPL-1.0 / ELv2

   Reason: Stop cloud providers from offering Elasticsearch as a service.

   Announcement ↗

   Forks that followed: OpenSearch

3. Aug 29, 2024
   → AGPL-3.0 / SSPL-1.0 / ELv2

   Reason: Adds AGPLv3 as an open source option.

   Announcement ↗

Forks that followed

• OpenSearch · Apache-2.0

Real-world case

• A1 · A cloud vendor sells your project as a managed service × Apache-2.0
• C1 · You later relicense or sell commercial licenses (contributors signed no CLA) × Apache-2.0

Similar projects

• Redis AGPL-3.0 / RSALv2 / SSPL-1.0
• MinIO AGPL-3.0
• MongoDB SSPL-1.0
• RedisBloom RSALv2 / SSPL-1.0
• RediSearch RSALv2 / SSPL-1.0