Datadog
Freemium
Datadog is a monitoring service for cloud-scale applications, bringing together data from servers, databases, tools, and services to present a unified view of…
Fluentd
Open Source
Fluentd is a cross platform open source data collection software.
Nagios Log Server
Commercial
Nagios Log Server is centralized log management, monitoring & analysis software. Quickly & easily manage, monitor and analyze log data.
logstash
Open Source
Logstash is an open source, server-side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it.
Graylog
Open Source
Graylog helps you can observe any established or rejected network connection, find those that are unusual to tighten rules and mitigate attacker activity.
Scalyr
Commercial
Scalyr is a server log monitoring tool.
Compare Splunk with alternatives
Compare Nagios Log Server and Splunk and decide which is most suitable for you.