Top 12 SpiderOak Alternatives

Online Sync and File Sharing

Google Drive is a personal cloud storage service from Google that lets users store and synchronize digital content across computers, laptops and mobile devices, including Android-powered tablet and smartphone devices.

Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.

Secure File Storage and collaboration

SugarSync is a cloud file sharing, file sync and online backup service that is simple, powerful and easy to use. Get a 30 day free trial!

ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.

CrashPlan provides online data backup, with free unlimited online storage for personal use, and remote backup and disaster recovery services for businesses.

Cloud storage service with up to 20GB for free! Store, share and send large files to anyone. Join now and have your files everywhere you go.

Encrypted cloud storage for your confidential files. Using Tresorit, files are encrypted before being uploaded to the cloud. Start encrypting files for free.

Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...

Seafile is a professional open source cloud storage platform for organizations.

With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.