Procedural derive macro to generate boilerplate on unit variants enum types.

Serialization framework for Rust

Some more derive(Trait) options

A lib help you patch Rust instance, and easy to partial update configures.

Next-gen compile-time-checked builder generator, named function's arguments, and more!

MongoDB ODM for Rust inspired by Mongoose

Error Forge is a flexible, high-performance Rust framework for rich, structured errors. Define typed errors with macros/derives, add contextual metadata & severities, wire sync/async hooks for logging/telemetry, and use recovery helpers (retry/fallback/backoff) that keep your code clean and resilient.

Cargo subcommand to sort derive attributes 📦

Attribute proc-macro to simplify deriving standard and other traits with custom generic type bounds.

kenzu is a procedural macro crate for generating builder patterns in Rust — both immutable and mutable, with optional compile-time validation using field-level attributes. Whether you're building configuration structs, domain models, or input data, kenzu eliminates boilerplate while increasing safety and clarity.

Enhance your Rust enums with unit-enum: a procedural macro crate for effortlessly deriving ordinal methods and more for unit-like enums

Object to Object mapper for Rust

Derive Decline CLIs automatically from your enums and case classes in Scala 3

Algebraic data types for C99

Serde with Validation

Merge multiple values into one

Rust derive-based argument parsing optimized for code size and flexibility

Create presets, e.g. #[hash(Default)] for #[derive(PartialEq,Eq,Hash, Default)]

tracing initialization library to easily get started with tracing.

A lightweight ORM for Tiberius.