Category includes, anonymous remailer, proxy server, cookies, and pgp.
Combining the safety of a dynamic firewall with total control over applications' Internet use, ZoneAlarm gives rock-solid protection against thieves and vandals. Ivory.org offer a software that will store all your username and password. The file will be encrypted so it will be useless to another person without the correct key. Cookie Crusher will keep important cookies and delete unwanted ones automatically. Cookie Pal can accept or reject cookies without any interaction from you.