Log outgoing HTTP requests in ruby
Track changes to your rails models
Fluentd: Unified Logging Layer (project under CNCF)
Google Toolbox for Mac
Centralize, transform and stash your data
Simple, efficient background processing for Ruby
A performance dashboard for Postgres
git deployment made easy
Flight logging for airfields
Partylog2 is a Graylog2 appliance based in Turnkey Linux 12