Entitiex is an Elixir presenter library used to transform data structures. I'd say it's a kind of `Grape::Entity` ported from the Ruby world.
JSONRPC2Plug is an Elixir library for a JSON-RPC 2.0 server. Can be used as the plug middleware or as a standalone transport-agnostic server handler.
Implementation of Walker's Alias Method (WAM). It's method for performing weighted random sampling. The core algorithm is written in Rust for speed optimization.