Copy.com Alternatives for Mac OS X

Dropbox is an easy to use freemium cloud storage solution. It has a client sync utility for multiple platforms.

Google drive is Google's cloud storage solution for storing files in the cloud.

ownCloud is a free and opensource file sync and share app which is self hosted.

SpiderOak is a cloud-based backup and restore solution to protect against data loss.

Microsoft OneDrive is a cloud-based storage solution from Microsoft.

MEGA is the cloud-based file hosting solution.

Box is an online file sharing and content management service.

SugarSync is a cloud service that enables active synchronization of files across computers and other devices.

TeamDrive is a software manufacturer that has specialized in creating solutions for secure collaborative work over the Internet.

Koofr offers safe EU based cloud storage with 2 GB free cloud storage space for life and options to connect multiple cloud accounts.

vBoxxCloud makes file sharing easy and keeps your information private and secure in the Netherlands or on-premises.

Mozy is an online backup service for both Windows and macOS users.

ADrive provides online cloud storage and backup solutions for personal, business and enterprise-level data.

pCloud provides a cloud storage solution for businesses of any size.

Sync.com makes it easy to store, share and access your files from anywhere.

AeroFS is an enterprise file sync and share & collaboration software.

Pulse is a free (as in freedom), secure, and distributed file synchronisation engine.

An open, secure, and lightweight platform for your files and data.

CmisSync allows you to synchronize any CMIS-compliant ECM server with your local PC.

pyget is a p2p file sharing without the need for either internal or external plugins.