Raindrop.io - All your articles, photos, video & content from web & apps in one place.
BOINC - BOINC is an open-source software platform for computing using volunteered resources
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Linker - Cloud based bookmark manager
JPPF - The open source grid computing solution.