[conradfr]

> Built-in first-class concurrency (ala node, golang, rust, etc.) is a huge win for simple architectures, since it lets you avoid adding a background queue, or at least delay it for a very long time.

>For example: instead of memcache/redis, set aside ~100 MB of memory in your app process for an LRU cache.

Erlang/Elixir for the win with (almost transparent multi-core) concurrency and ETS ;)

[danenania]

Oh yeah, Erlang/Elixir certainly belong in that list (probably at the front of it).