No-code. It's not understood by software developers, but it introduces the joy of simple programming to non-technical people and that genie can't be put back in the bottle.

Serverless. Current clouds are a half-step because they partially abstract away hardware. Serverless is the ultimate cloud because it abstracts away all hardware.

Self-hosted open-source alternatives to public clouds. Public cloud providers use proprietary software to provide and manage cloud services. However, open-source alternatives will eventually appear and will only require a pool of machines (virtual or not) to operate in order to provide a set of cloud services - computation, storage, identity management, load balancing, etc. This will lead to decentralization and proliferation of private self-managed clouds.