iExec is described as 'Blockchain-Based Decentralized Cloud Computing. Reinventing Cloud Computing: We’re committed to create the next-generation of IT infrastructure by building a new Cloud computing paradigm'. There are more than 10 alternatives to iExec for a variety of platforms, including Online / Web-based, Linux, Windows, SaaS and Self-Hosted solutions. The best alternative is DigitalOcean. It's not free, so if you're looking for a free alternative, you could try elasticsearch or Golem. Other great apps like iExec are Amazon Web Services (Paid), Website Free Host (Freemium), XEL Elastic (Free, Open Source) and HiveNet (Free).
RentMyCPU is a decentralized marketplace for computing power. It enables CPUs to connect in a network, enabling individual users ("requestors") to rent resources from other users’ ("providers") machines.
UNCHAINET connects underutilized server resources with clients who need them. Our blockchain protocols govern the network, align provider incentives with computing resource quality giving choices and transparency to the cloud client market.