What luck for the rulers that men do not think.
 
Adolf Hitler
 
At a time of universal deceit - telling the truth is a revolutionary act.
 
George Orwell

PIM and Contact Management

Open Contacts

Open Contacts is an address book with CRM features.
http://www.fonlow.com/opencontacts/
http://www.fonlow.com/opencontacts/Download.htm

Mozilla Sunbird - Portable Edition

Sunbird Portable is a standalone calendaring and task management application.
https://portableapps.com/apps/office/sunbird_portable

Note: Development discontinued.