BusyContacts vs KAddressBook
| BusyContacts | KAddressBook | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | macOS | Linux |
| Free plan | No | Yes |
| Company contacts | Yes | — |
| Email sync | Yes | — |
| Import sources | vCard, business cards, email signatures, QR-coded vCards; CSV via macOS Contacts intermediary | Address-book standards; specific import formats are not stated |
| Reminders | Yes | Yes |
Both are listed in Best Contact Management Software. On Inferse, KAddressBook scores higher on our published basis.