BOINC - BOINC is an open-source software platform for computing using volunteered resources
Chainstack - Automates blockchain (Ethereum included) deployment at a much lower price point than Infura, and without native storage.
Apache Mesos - Apache Mesos abstracts resources away from machines, enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.
QuikNode.io - Blockchain Infrastructure Cloud
GridRepublic - Use GridRepublic, or Grid Republic, to join and manage participation in boinc volunteer distributed grid utility computing projects. Help us to create the world's largest top supercomputer. GridRepublic is a BOINC account manager.
Chainnodes.org - Reliable and Affordable Web3 Infrastructure. Ethereum, Polygon, Optimism, Arbitrum, BSC, Base, Gnosis for Devs & aApps. No limits on archival requests + debug and trace APIs