- Lightweight Data Shippers
- Installed as Agents to send data at high speed to Logstash or to ElasticSearch
- Filebeat is offering a lightweight way to forward and centralize logs and files
- Metricbeat collects metrics from systems and services using specific modules
- Packetbeat is a lightweight network packet analyzer that sends data
- Winlogbeat live streams any Windows Event log channel
- Heartbeat asks the simple question from set of defined ICMP, TCP, and HTTP end-points: "Are you alive?"