zlacker

It really looks absolutely amazing, I feel guilty because I want to run a service on it, there's almost no downside to running it everywhere you'd normally run Redis.

Also in the cool-redis-stuff category:

https://github.com/twitter/pelikan

Doesn't have the feature set that KeyDB has but both of these pieces of software feel like they could the basis of a cloud redis product that would be really efficient and fast. I've got some plans to do just that.