OpenTSDB

• Name: OpenTSDB
• Status: maintained
• Website: http://opentsdb.net/
• GitHub: https://github.com/OpenTSDB/opentsdb
• Language: java
• Backends: [ "hbase" ]
• Protocol: [ "http", "tcp" ]
• Query: [ "json" ]
• License: lgpl
• Author: manolama tsuna 
• Contributed by: at15