What are some alternatives?
When comparing Gaikai and Gamefly, you can also consider the following products
Parsec - Streams games locally or over the internet
Playfire - Playfire is the global community for gamers.
Geforce Now - Underpowered PC can now pack the punch of high-performance GeForce GTX GPUs with GeForce NOW.
StreamMyGame - With close proximities to OnLive, StreamMyGame doesn’t work like it, but it allows users to play whether Windows-based games they have on their systems from anywhere in the world on their Windows as well as on Linux system.
Moonlight Game Streaming - Moonlight allows you to stream your collection of games from your GameStream-compatible PC to any...
Vapor — LÖVE Distribution Client - Vapor is a client for installing video games made with the game engine LÖVE.