Keeps your contacts in sync across Google, Microsoft, Apple and CardDAV, and cleans up duplicates.
Free
One server, in productivity & workflow. Keeps your contacts in sync across Google, Microsoft, Apple and CardDAV, and cleans up duplicates.
Productivity & Workflow
Keeps your contacts in sync across Google, Microsoft, Apple and CardDAV, and cleans up duplicates.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.