There are many alternatives to Opera Unite for Mac and since it's discontinued a lot of people are looking for a replacement. The best Mac alternative is ownCloud, which is both free and Open Source. If that doesn't suit you, our users have ranked six alternatives to Opera Unite and five of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Opera Unite are RetroShare, Pydio, Woelkli and FileAgo.
Self-hosted option for secure file sync, sharing, calendars, contacts, and mail supporting mobile, desktop, web access and external storage, real-time collaboration, password-protected links, document editing, anti-virus scanning, and LDAP integration.
Open source, decentralized platform enabling encrypted chat, secure voice and video calls, anonymous file sharing with swarming, censorship-resistant forums, channels, link sharing, and offline messaging. Uses OpenPGP and OpenSSL for robust privacy and security.
Pydio is the mature alternative to Dropbox and Box.com, to build your own box, on your own servers.
woelkli is a service that provides secure cloud storage hosted in Switzerland. Save, view, edit and share your files from anywhere in the world, from any device
FileAgo is a easy and highly secure self-hosted file storage and collaboration platform for companies and teams. Compared to other solutions, FileAgo is an attempt to tackle the collaboration part in a slightly different matter.
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