we use our in-house baked engine - open sourced here https://github.com/varchar-io/nebula https://github.com/varchar-io/nebula Yeah, Tinybird has lots of simil

we use our in-house baked engine - open sourced here https://github.com/varchar-io/nebula https://github.com/varchar-io/nebula Yeah, Tinybird has lots of similarities, I will do more research on it, thanks for the reference.