Version: 5.1.7 || Release Date: 2014-07-16 || License: Other Open Source Developer: SpiderOak | App Owner: kiwibird

Secure automatic online backup & sync, 2GB per month free

SpiderOak provides an easy, secure and consolidated free online backup, storage, access, sharing & sync* tool for Windows, Mac OS X, and GNU/Linux (Ubuntu & Debian).

Access all your data in one de-duplicated location

Preserve all historical versions & deleted files

Share folders instantly in web ShareRooms w / RSS

Configurable and secure automatic backup

Retrieve files from any internet-connected device

Comprehensive 'zero-knowledge' data encryption

2 GBs Free / $10 per 100 GBs / Unlimited devices

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2 Opinions

SpiderOak uses encrypted cloud storage and client-side encryption key creation, so even employees of SpiderOak cannot access user's information.

SpiderOak is not quite FOSS yet, see https://spideroak.com/faq/why_isnt_spideroak_open_source_yet_when_will_it_be for more info. They've managed to release a whole range of their tools as open source though ( https://spideroak.com/code ) =D