Zabbix - Track, record, alert and visualize performance and availability of IT resources
Montecarlito - MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations.
Statista - The Statistics Portal for Market Data, Market Research and Market Studies
IBM ILOG CPLEX Optimization Studio - IBM ILOG CPLEX Optimization Studio is an easy-to-use, affordable data analytics solution for businesses of all sizes who want to optimize their operations.
Displayr - Displayr is a data science, visualization, and reporting platform for everyone.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services