esyPlanner is a freeware personal information manager that provides calendars, reminders (which it calls popups), notes and password storage.

The program doesn’t exactly have the best or cleanest of interfaces, which somehow mirrors the author’s website as well, however it is more than adequate as a PIM. Notes can be created by using the Microsoft [...]

Desktop Calendar is described as
Organize your life! Never forget a birthday or anniversary ever again!
Desktop Calendar is a relatively simple and potentially useful almost 2.5MB download that overlays a calendar on any desktop. It can be thought of a semi-dynamic calendar, that is the calendar is certainly not a static image but on the other [...]

Total Text Container is a PIM (Personal Information Management) software described by its author as
Store Documentation, Notes, Passwords, Images, Bookmarks, Contacts, Spreadsheets, Money Transactions, Calendar Events & Tasks, iCalander events, CD/DVD/Movie catalogs, Multi layer encryption, Portable, xml database, all in one powerful PIM app.
Total Text Container is a pretty complete and feature rich software that [...]