logstash - logstash is a tool for managing events and logs.
Rivery.io - Rivery is a web-based development platform that is used to manage, create, control, and monitor a large number of data pipelines.
rsyslog - Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log...
Decision.io - Decision.io is an interesting platform that provides you the simple features to develop the app or an integrated workflow without using any program language or code.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
EntelliFusion - Data Fabric