Zabbix - Track, record, alert and visualize performance and availability of IT resources
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
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.
MkDocs - Project documentation with Markdown.
Prometheus - An open-source systems monitoring and alerting toolkit.
Docusaurus - Easy to maintain open source documentation websites