ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
BOINC - BOINC is an open-source software platform for computing using volunteered resources
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
JPPF - The open source grid computing solution.