Open Contacts is an advanced address book program for managing contact info of individuals and organizations with relationships. Distributed as freeware, the program was designed for people who need more beyond ordinary address book programs in order to improve dynamic interactions with contacts.
Please check http://www.fonlow.com/opencontacts/Download.htm
and
http://www.fonlow.com/opencontacts/download/OpenContactsPortable_6.1.5.7...
Please note, this package was made by the developer of Open Contacts, and is different from the one announced at https://portableapps.com/node/24792.