BeepChecker is a tiny portable Windows program that plays the standard Windows beep sounds: the Information, Question, Warning, or Error sounds. It also lets you play custom beeps by generating simple tones on the speaker. Use BeepChecker to familiarize yourself...

Type a password in a browser, or let it store your passwords, and you will see asterisks. The passwords are hidden even from your eyes. Click the ISeePass bookmarklet, and all passwords on the page are revealed. Click it again,...