citus

• Name: Citus
• Status: active
• Website: https://www.citusdata.com/
• GitHub: https://github.com/citusdata/citus
• Language: c
• Backends: [ "postgresql" ]
• Protocol: [ "tcp" ]
• Query: [ "sql" ]
• License: agpl-3.0
• Author: marcoslot onderkalaci 
• Contributed by: at15 

Links

• https://blog.cloudflare.com/scaling-out-postgresql-for-cloudflare-analytics-using-citusdb/ btw: cloudflare has switched to ClickHouse
• Found from https://www.slideshare.net/vividcortex/how-vividcortexs-mysqlbased-time-series-database-works