You could have downloaded SunEBook 4.2.1 from our software library for free. The most popular version among SunEBook users is 4.2. SunEBook lies within Office Tools, more precisely Mind mapping. The program's installer file is generally known as SunEBook.exe. This free software was originally designed by Slavko Ilic.
From the developer:
Handy PIM for every occasion: reminder, notes, address book, password keeper, alarm, all in one.
You may want to check out more software, such as CardFile PS Net, TopNotes or Tacto, which might be similar to SunEBook.