Top Alternatives to Funambol

ownCloud is a powerful, self-hosted open-source platform for file sync, share, and collaboration. It provides a private cloud alternative, giving users full control over their data while offering secure and convenient access from anywhere.

Yandex.Disk is a powerful cloud storage service offering seamless file synchronization, backup, and sharing. It provides ample storage space, robust security features including encryption, and includes useful integrations like an online office suite. With support for various platforms and WebDAV, it's a versatile solution for managing your digital assets.

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.

fruux is a robust cross-platform synchronization service designed to keep your contacts, calendars, and tasks seamlessly in sync across all your devices and applications. It offers a secure and reliable cloud platform with strong privacy focus, ideal for individuals and teams needing consistent data access and collaboration.

GO Contact Sync Mod is a reliable and open-source tool designed to synchronize contacts, calendars, and tasks between Microsoft Outlook and your Google account. It facilitates seamless two-way synchronization, ensuring your information is consistent across both platforms.

Wammu is a free and open-source mobile phone manager for GSM phones. It allows users to manage contacts, messages, call history, and files directly from their computer. It supports a wide range of phones through Gammu.

AkrutoSync is a powerful and privacy-focused software solution designed to automatically synchronize your Microsoft Outlook data, including contacts, calendars, tasks, and notes, across all your connected devices, such as smartphones and tablets (iOS, Android, Windows Phone), without relying on the cloud.