FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
PuTTY - Popular free terminal application. Mostly used as an SSH client.
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.
Ninite - Ninite is the easiest way to install software.
Prometheus - An open-source systems monitoring and alerting toolkit.