OSS-Finder logoOSSFinder

The Best Open-Source Alternatives to Sync.com

Are you looking for a free or self-hosted alternative to Sync.com? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Productivity & Notes ecosystem. Currently, there are 6 active replacements available, with rclone being one of the most prominent selections.

Quick Comparison: Sync.com vs. Open Source

Full comparison: Sync.com vs. rclone →
CriteriaSync.comOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

Sort alternatives

Choose the metric that should define the list order.

rclone

šŸ“ˆ Trending⭐ 10k+ Stars
MIT

rclone is a powerful, open-source file synchronization client that allows users to manage and transfer files across various cloud storage services, on-premises storage, and more, enabling seamless backups and syncs while maintaining complete control over data. As a privacy-focused alternative to Sync.com, rclone offers a flexible, customizable solution for cloud storage and file management, putting users in control of their data without compromising on features or security.

⭐ 59,116 Stars
šŸ“ 5,308 Forks
ā— 0 Open Issues
šŸ·ļø MIT

Nextcloud

šŸ“ˆ Trending⭐ 10k+ Stars
AGPL-3.0

Nextcloud is a comprehensive, open-source web-based platform that offers a private and secure cloud storage solution, enabling users to store, synch, and share files locally or across multiple devices while maintaining full control over data. As an alternative to commercial services like Sync.com, Nextcloud ensures that users' data remains private and secure, free from the risks of centralized data storage and commercial surveillance.

⭐ 36,290 Stars
šŸ“ 5,089 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0

Seafile

šŸ“ˆ Trending⭐ 10k+ Stars
NOASSERTION

Seafile is a self-hosted cloud storage and collaboration platform that securely syncs and shares data, offering an easy-to-use alternative to commercial cloud services like Sync.com, while prioritizing user data sovereignty and anonymity. Its open-source model ensures flexibility, customization, and transparency, ideal for individuals and organizations seeking a private and compliant cloud solution.

⭐ 15,057 Stars
šŸ“ 1,666 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION
AGPL-3.0

OwnCloud is a decentralized, open-source file synchronization and sharing platform that empowers users to take control of their data by hosting it on their own servers, ensuring unparalleled security and privacy. By self-hosting, users can replace proprietary services like Sync.com with a trusted, customizable alternative, safeguarding their files from unauthorized access and third-party data collection.

⭐ 8,826 Stars
šŸ“ 2,064 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0

SparkleShare is an open-source, self-hosted file syncing and sharing client that allows users to securely sync files across multiple devices while maintaining complete control over their data and metadata, making it an ideal alternative to cloud-based services like Sync.com. With SparkleShare, users can enjoy flexible, private file management without reliance on centralized servers, ensuring their data remains safe from prying eyes and unwarranted access.

⭐ 4,969 Stars
šŸ“ 566 Forks
ā— 0 Open Issues
šŸ·ļø GPL-3.0
AGPL-3.0

Pydio is an open-source file sharing and synchronization platform that empowers users to securely manage and access their files across multiple devices, offering a robust alternative to proprietary solutions like Sync.com, with complete control over data and customization. By leveraging its modular architecture, users can tailor Pydio to suit their specific needs, ensuring enterprise-grade security and compliance, all while maintaining complete data sovereignty.

⭐ 871 Stars
šŸ“ 285 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0

Frequently Asked Questions

What is the best open source alternative to Sync.com?

Based on GitHub community data (including star count and fork activity), rclone stands out as one of the most reliable open-source replacements for Sync.com today.

Why should I use an open-source replacement instead of Sync.com?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.