M/Monit - Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
Statista - The Statistics Portal for Market Data, Market Research and Market Studies
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Statwing - Simply upload your spreadsheet or dataset, then select the relationships you want to explore. Statwing was built by and for analysts, so you can clean data, explore relationships, and create charts in minutes instead of hours.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Displayr - Displayr is a data science, visualization, and reporting platform for everyone.