Riak KV Open Source
Free
Apache 2 license · key-value data module · masterless built-in replication · HTTP API and Protocol Buffers
Checked 1 Oct 2026
Apache 2 license · key-value data module · masterless built-in replication · HTTP API and Protocol Buffers
Checked 1 Oct 2026
Commercial license · multi-cluster replication · SNMP/JMX support · business-hours engineering support · 24-hour SLA
Checked 1 Oct 2026
Commercial license · multi-cluster replication · 24x7x365 engineering support · emergency patches · 1-hour SLA
Checked 1 Oct 2026
Commercial license · multi-cluster replication · SNMP/JMX support · baseline and system assessment · 24x7x365 support · onsite assessment twice yearly · emergency patches · 30-minute SLA
Checked 1 Oct 2026
Apache 2 license · business-hours engineering support · 4-hour SLA
Checked 1 Oct 2026