I have over 50 logins and passwords to various things that I would like to keep listed on my Mac. I would like it to be simple, such as a spreadsheet with password protection. I use OpenOffice which has a spreadsheet program called Calc. Is there any way to secure a Calc file with a password? If not, what about using Apple's spreadsheet program? I know there are password managers out there, but I don't need most of the functionality that they have. I just want a secure list of logins and passwords, I don't want it to enter the password for me or update to multiple devices. Any suggestions?