* [Fluentd v1.19.4](https://github.com/fluent/fluentd) – Log collector that unifies logging from various data sources.

* [Grok Parser for Fluentd v2.6.3](https://github.com/fluent/fluent-plugin-grok-parser) – Fluentd plugin implementing Logstash-style Grok parsing with support for multiple patterns and multiline grok processing.