logstash - logstash is a tool for managing events and logs.
Skuuudle - Discover, match and monitor your eCommerce competitors.
rsyslog - Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log...
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
BuiltWith - Find out the technology behind websites