root check

Check for broken links on your website.

Check availability of domain names.

Check network connection and test connection speeds of various locations.

Check for spell errors in almost all applications.

Check your hard disks for errors and correct them. Easy to use, fast and free.

Check if the food you buy contains additives dangerous to your health. Freeware!

Check multiple Gmail accounts for new mail and display notifications

Check for .NET Framework in Your Software, Download, Install It

Check that class target versions are as expected in a Java jar.

check, validate and limit your data entry according to your own preferences