A listing of FREE useful utilities to help you get what you need, and quick.
SamSpade – WhoIS, Dig, DNS, Trace. Best tool for digging up domain name registration, hosting and IP information.
Angry IP Scanner – Scan subnets for known, active hosts
PuTTy – Telnet/SSH/Serial client.
FileZilla (portable) – Free, quick, easy FTP client, no install required.
AD Tidy – Great tool for polling information from active directory. Very useful in locating old machines and users by ‘date last logged in’ as well as other deeply burried AD data.
KeePass – A nice tool for securely creating a password database, organized nicely into groups. There are no limits on the number of entries.
Notepad++ (portable) – Traditional Notepad on steroids. Perfect for config editing.
Test Exchange Connectivity – Webtool used to test OWA, ActiveSync, and other Exchange connectivity issues. Great for diagnosing Outlook or mobile phone Exchange sync issues.