Fluent 
fluent-rs is a collection of Rust crates implementing Project Fluent.
The crates perform the following functions:
fluent 
Umbrella crate combining crates that are ready to be used in production.
fluent-syntax 
Low level Fluent Syntax AST and parser API.
fluent-bundle 
Implementation of the low-level Fluent Localization System providing localization capabilities for any Rust project.
fluent-fallback 
Implementation of the high-level Fluent Localization System providing localization capabilities for any Rust project.
fluent-resmgr 
Resource Manager for localization resources.
fluent-cli
Collection of command line tools for Fluent.