Top Alternatives to FullContact

Google Contacts is a contact management tool integrated with your Google Account, providing a centralized and accessible platform to store, organize, and manage your contacts across all your devices.

Kontact is a comprehensive personal information management suite from KDE combining email, contacts, calendar, tasks, and news in one integrated application. It offers robust synchronization options and supports various protocols.

Memotoo is a comprehensive online service designed to centralize and synchronize all your personal information, including contacts, calendars, tasks, notes, and bookmarks. It acts as a hub to connect various online services and devices, ensuring your data is consistent and accessible from anywhere.

Contacts is a fundamental contact management application designed for macOS, providing seamless integration within the Apple ecosystem for organizing and managing personal and professional connections.

FCorp ID Book is a lightweight and portable address book application designed for efficient contact management. It allows users to store, organize, and quickly access personal and professional contact information on the go without requiring installation.