jwt-cli is a command line tool written in Rust for encoding and decoding JSON Web Tokens (JWTs). It offers the ability to create custom JWTs with various headers and claims, supports multiple operating systems, and can be installed via several package managers. The tool also provides shell completion for various shells and encourages community contributions.

Feather is a lightweight web framework for Rust that emphasizes developer experience (DX), inspired by Express.js but designed for Rust's performance and safety. It features a middleware-first architecture, easy state management with a Context API, and built-in JWT authentication, all while avoiding the complexities of async/await, allowing for high concurrency using simple synchronous code.