FREE set of professional network tools: NetWatch - network monitoring & alerting; WinTools lists exhaustive system info from Windows computers; port/network scanner; NetStat lists local connections; TCP/IP workshop; ping; trace; lookup; SNMP browser.
Internet Speed Test measures download and upload bandwidth/speed for your broadband connection. It can also help you quickly troubleshoot common connectivity problems with broadband links.
Seagate terminal is a free application to repair and perform firmware operations on all Seagate Family disk drives, this tool is useful to fix che common seagate busy lock bug