Site: http://paperplanes.de Travis CI: http://travis-ci.org Riak Handbook: http://riakhandbook.com Pingdom: http://pingdom.com Nagios: http://nagios.org Sensu: http://www.sonian.com/cloud-monitoring-sensu/ Sheriff: https://github.com/dawanda/sheriff Monit: http://mmonit.com/monit/ Bluepill: https://github.com/arya/bluepill Runit: http://smarden.org/runit/ Munin: http://munin-monitoring.org/ Gangli