Grassland POS - Anyone or team can participate in designing workflow and transform into complete system in hours
logstash - logstash is a tool for managing events and logs.
Quantum - Debt collection solution for small to midsize firms
rsyslog - Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log...
XO Cashflow - Overdue invoicing application
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.