Zabbix - Track, record, alert and visualize performance and availability of IT resources
Simple Snippets - Simple Snippets is place to easily create and manage your code snippets. The main features of the Simple Snippets: code highlighting, snippet groups, public and private snippets.
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.
Quiver - Quiver is a notebook built for programmers.
Prometheus - An open-source systems monitoring and alerting toolkit.
GitHub Gist - Gist is a simple way to share snippets and pastes with others.