FreeNetEnumerator is a tool to enumerate computers in a domain. Depending on enumeration parameters the tool can work in different ways. It can enumerate all computers ( if All Computers is selected ), all SQL servers only (if Microsoft SQL Servers is selected ), all primary domain controllers only ( if Primary domain controllers is selected ) , backup domain controllers only, primary domains only,etc.
File Renamer will let you rename all your files and folders, but with a lot more options. Can batch rename files, add or remove strings to filenames, change file extensions, numerate filenames sequentially, convert to uppercase or lowercase, trim characters, replace strings, and some more.. Works with multiple directories, suports Drag and Drop and works from the command line. Also has 'undo' function for last rename done.