1. Timber.io is the best logging platform for ruby, node, elixir and much more.

  2. The world's most popular cloud log management service delivers application intelligence. No Software. No Downloads. No Sweat. Free Trial!

  3. Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.

  4. Fluentd is a cross platform open source data collection solution originally developed at Treasure Data.

  5. Sumo Logic is a secure, purpose-built cloud-based machine data analytics service that leverages big data for real-time IT insights

  6. Logmatic is a log centralization, analytics & visualization platform to improve software & business performance.

  7. AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.