Khard

khard is a adressbook that runs in your terminal.
You can sync it with vdirsyncer.

Setup

Arch Linux

• pacman -S khard - Install needed programs

Configuration

• Add and configure a config for khard
• mkdir ~/.config/khard - add a directory for the config
• cp /usr/share/doc/khard/khard.conf.example ~/.config/khard/khard.conf -
  Copy the example configuration
• Adjust khard.conf to your needs

Mutt

It is possible to use your khard-addressbook in mutt.
To see how it works check out the Mutt.