Open Contacts is an address book program with CRM features providing unified, flexible and intuitive interfaces for you to manage and lookup contact info of individuals and organizations. Open Contacts displays only data fields with data. You can seamlessly customize what can be stored in your address book.

Open Contacts Features
Store details in sections of data fields that are dynamically customizable, with predefined data fields.
Associate individuals with organizations, and link organizations with departments or subsidiaries.
Categorize contacts in hierarchy trees, and list contacts of subcategories recursively.
Search contacts info through any data field.
Dynamic shortcuts to telephony, Skype, emailing or Web/File browsing.
Print contact info with built-in functions or external label printing programs.
Import contact info from MS Outlook, Outlook Express (WAB), Eudora, Netscape/Mozilla/Portable Thunderbird, XML, CSV and vCard.
Export contact info to indented text, CSV, Excel and XML.
Attach files and photo to contacts.
Map service with Google Map.
Support multilingual features.
The program is small and green enough to run on a memory stick.
Native supports for multiple users in Local Area Network.