Zabbix - Track, record, alert and visualize performance and availability of IT resources
Next! Fitness - A.I. powered gym
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.
Prometheus - An open-source systems monitoring and alerting toolkit.
Praxis - Apprenticeship program and career accelerator