A password manager is a software in which you can store all your passwords. It basically stores all your data in some file or database, and keeps that encrypted. All the passwords can be accessed be one single master password. This ensures that you just need to remember one password, and using that you can access all your passwords.
KeePass is a free password manager. It stores all your passwords with highly secured encryption algorithms. You can access all your passwords using one master password. So, you do not need to remember multiple passwords anymore.→