Short description of Login King Password Manager (Form-Filler Edition) 2007: Login King Password Manager is the web's newest and slickest password manager. PC Magazine named it the Best Utility for the Password Manager category. Developed by ex-Microsoft programmers, Login King is wonderfully intuitive, and it takes password management a step farther than the average tool. Works with both IE and Firefox, and a USB drive version complete with portable version of Firefox, Login King works pretty much any way you like.