Mac OS X Softwares to Log Indexing

Graylog is a powerful, open-source, centralized log management platform designed for collecting, indexing, and analyzing log data from various sources. It helps organizations gain operational visibility, identify security threats, and troubleshoot issues efficiently.

Fluentd is an open-source data collector that provides a unified logging layer, enabling you to collect, parse, transform, and output logs from various sources to multiple destinations. It is written in Ruby and highly pluggable.