Leadfeeder - Leadfeeder converts your website visitors into sales. Connect your website's Google Analytics to Leadfeeder and unlock the power of seeing who`s visiting your site!
BOINC - BOINC is an open-source software platform for computing using volunteered resources
Lead Forensics - B2B website analytics and lead generation.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
Clearbit - Clearbit provides Business Intelligence APIs
JPPF - The open source grid computing solution.