Here are some options for anyone else finding this thread:
- Echofish - A web based real-time event log aggregation, analysis, monitoring and management system.
- Elasticsearch - A Lucene Based Document store mainly used for log indexing, storage and analysis.
- Fluentd - Log Collector and Shipper.
- Flume - Distributed log collection and aggregation system.
- Graylog2 - Pluggable Log and Event Analysis Server with Alerting options.
- Heka - Stream processing system which may be used for log aggregation.
- Kibana - Visualize logs and time-stamped data.
- Logstash - Tool for managing events and logs.
- Octopussy - Log Management Solution (Visualize / Alert / Report).
- sexilog.fr - “Ready-To-Log” virtual appliance made by community for community!
- Vector - high-performance observability data pipeline.