Lib.rs

clap

efficient, and full-featured Command Line Argument Parser

pin-project-lite

A lightweight version of pin-project written with declarative macros

pin-project

safe and ergonomic pin-projection

proc-macro-crate

Replacement for crate (macro_rules keyword) in proc-macros

leptos

full-stack, isomorphic Rust web framework leveraging fine-grained reactivity to build declarative user interfaces

cssparser

CSS Syntax Level 3

argh

Derive-based argument parsing optimized for code size

linkme

Safe cross-platform linker shenanigans

system-deps

Discover and configure system dependencies from declarative dependencies in Cargo.toml

macro_rules_attribute

Use declarative macros in attribute or derive position

zenoh

Zero Overhead Pub/Sub/Query Protocol

macrotest

Test harness for macro expansion

lazy_static

A macro for declaring lazily evaluated statics in Rust

ts-rs

generate typescript bindings from rust types

objc

Objective-C Runtime bindings and wrapper for Rust

tsify

generating TypeScript definitions from rust code

easy-smt

Easily interact with an smt solver as a subprocess

const-gen

generating (relatively) complex compile-time constants in rust

windows-sys

Windows

cosmic-text

Pure Rust multi-line text handling

merde

Serialize and deserialize with declarative macros

leptos_router

Router for the Leptos web framework

floki

aims to provide reproducible and shareable build tooling by helping you run docker containers interactively from a declarative yaml file

venial

A very small syn

rash_core

Declarative shell scripting using Rust native bindings

error_set

Quick error declarations and automatic conversions between errors for precisely typed error handling. Inspired by Zig's error set type.

dmm

The Declarative Music Manager

static_init

Safe mutable static and non const static initialization, and code execution at program startup/exit

ohkami

A performant, declarative, and runtime-flexible web framework for Rust

i-slint-compiler

Internal Slint Compiler Library

caret

Macros for declaring non-exhaustive C-style enumerations, with named members

oxc_transformer

A collection of JavaScript tools written in Rust

rabbitmqadmin

v2 is a modern CLI tool for the RabbitMQ HTTP API

glsl-lang-cli

CLI for the glsl-lang crate

reflectapi

code-first web service API declaration and corresponding clients code generation tools

nimbleparse

Yacc grammar debugging tool

flo_binding

Declarative binding library for Rust

impl-more

Concise, declarative trait implementation macros

tachys

Tools for building reactivity-agnostic, renderer-generic, statically-typed view trees for user interface libraries

halo2-base

Embedded domain specific language (eDSL) for writing circuits with the halo2 API. It simplifies circuit programming to declaring constraints…

fluent-i18n

A declarative and ergonomic internationalization for Rust using Fluent

environmental

Set scope-limited values can can be accessed statically

facet-macro-types

Unsynn grammar and type definitions for facet macro ecosystem

server_fn

RPC for any web framework

i-slint-common

Helper crate for sharing code & data structures between i-slint-core and slint-compiler

fieldx

Procedural macro for constructing structs with lazily initialized fields, builder pattern, and serde support with a focus on declarative syntax

metapac

multi-backend declarative package manager

leptos_reactive

Reactive system for the Leptos web framework

ribir_algo

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

iocraft

Create beautifully crafted CLI programs and text output with a declarative React-like Rust API

observe

Rust declarative observables inspired by MobX

nmstate

networking management in a declarative manner

laze

A declarative build system for C projects aiming to be simple, fast and correct

bevy_feronia

Foliage/grass scattering tools and wind simulation shaders/materials that prioritize visual fidelity/artistic freedom, a declarative api and modularity

ribir

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

leptos_dom

DOM operations for the Leptos web framework

mcp-attr

declaratively building Model Context Protocol servers

expect-json

For comparisons on JSON data

dxr

Declarative XML-RPC

osakit

macOS Framework adapted for Rust

layered-crate

declare and verify internal dependencies amongst modules inside a crate

msi

Read/write Windows Installer (MSI) files

barkml

Declarative configuration language

oxc_semantic

A collection of JavaScript tools written in Rust

ansiconst

declaring nestable ANSI styles in const context

azul-simplecss

A very simple CSS 2.1 tokenizer

pacdef

multi-backend declarative package manager for Linux

keymap

A lightweight key mapping library with compile-time validated derive macros and declarative configuration for multiple backends

hugr

Quantinuum's Hierarchical Unified Graph Representation

mockforge-amqp

AMQP protocol support for MockForge

moddef

Macro for convenient module declaration. Each module can be put in a group, and visibility can be applied to the whole group with ease.

better_collect

composable, declarative way to consume an iterator

dominator

Zero-cost ultra-high-performance declarative DOM library using FRP signals

easy-async-opencl3

A declarative, multi-device asynchronous executor for OpenCL based on cl3

leptos_actix

Actix integrations for the Leptos web framework

cutler

Powerful, declarative settings management for your Mac, with speed

debug-helper

declarative macros to help you implement the Debug trait manually

glslt

Template compiler library

evalrs

Rust code snippet evaluator

cargo-resources

Cargo Resources provides a cargo command line tool and library, to help declare and collate resources within Cargo Crates

leptos_config

Configuration for the Leptos web framework

raui-retained

RAUI retained mode UI layer

jingle

SMT Modeling for Ghidra's PCODE

proc-bitfield

expressively declare bitfield-like structs

cfn-guard-lambda

Lambda version of cfn-guard. Checks JSON- or YAML- formatted structured data for policy compliance using a simple, policy-as-code, declarative syntax

TypeScript-Rust-Compiler

High-performance TypeScript to Rust compiler

cpp_build

Cargo build script for the cpp crate

lol-lint

A strict, unapologetic linter for LOLCODE

salsa-macro-rules

Declarative macros for the salsa crate

dol

DOL (Design Ontology Language) - A declarative specification language for ontology-first development

expunge

redact and transform struct fields declaratively

syn-path

macro to declare a syn::Path at compile time

rnk

A React-like declarative terminal UI framework for Rust, inspired by Ink

cargo-ai

Build lightweight AI agents with Cargo. Powered by Rust. Declared in JSON.

xmlem

XML DOM implementation with pretty printing

dampen-cli

Developer CLI for Dampen UI framework

parse-sap-odata

Generate a pair of Rust modules from SAP V2 OData metadata

pkg-rs

A powerful insh'Allah, mutli-language-secriptable, multi-platform, multi-repo yet simple and declarative package manager

jgd-rs

generating realistic JSON data using declarative schema definitions

worktable

in-memory storage

prefixmap

RDF data shapes implementation in Rust

secretspec

Declarative secrets, every environment, any provider

zng-wgt

Part of the zng project

containeryard

Container Yard is a declarative, reproducible, and reusable decentralized approach for defining containers. Think Nix flakes meets Containerfiles (aka Dockerfiles).

facet-xml-legacy

Legacy XML serialization and deserialization for Facet types - use facet-xml instead

newstr

macros for declaring String-base new types

frunk_laws

contains laws for algebras declared in Frunk

nix-install

command line utility to quickly add packages to your configuration.nix using fuzzy search and rebuild all in one command :)

procenv

Derive macro for declarative environment variable configuration with error accumulation and rich diagnostics

cargo-fetch-source

Declare and fetch external sources programmatically

oxc_isolated_declarations

A collection of JavaScript tools written in Rust

tools-rs

Core functionality for the tools-rs tool collection system

serde-inline-default

Serde default values via inline declaration

kotoba-routing

Declarative, graph-based HTTP routing engine for the Kotoba ecosystem

blanket

macro to derive blanket implementations for your traits

pydep-mapper

Fast Rust CLI for analyzing Python dependencies with external package declarations support

leptos_form_tool

A declarative way to create forms for leptos

decal

Declarative SVG rendering with layout and rasterization

edfsm

Event Driven Finite State Machine library

fsm_governance_engine_lib

Declarative, validation-only FSM library with invariants and deterministic auditability

untwine

Declarative parsing with a BNF-like syntax

helios-sof

complete implementation of the SQL-on-FHIR specification for Rust, enabling the transformation of FHIR resources into tabular data using declarative ViewDefinitions. It supports all major FHIR versions (R4…

whippyunits

A zero-cost, pure rust units-of-measure library for applied computation

rorm

A asynchronous declarative ORM written in pure rust

i-slint-backend-linuxkms

OpenGL rendering backend for Slint

nmstatectl

Command line tool for networking management in a declarative manner

pupoxide

A high-performance, memory-safe, declarative configuration management tool inspired by Puppet

zng-clone-move

Part of the zng project

auth-policy

evaluating authorization decisions against declarative policies

bluth

Declarative HTML rendering

dampen-dev

Development mode tooling for Dampen - hot-reload, file watching, and error overlays

i-slint-renderer-femtovg

FemtoVG based renderer for Slint

check-config

Check configuration files

secondbest

implementing the Second Best strategy game

lynxql

A parser for the Lynx declarative modeling language - a statically typed language for expressing combinatorial optimization problems

kobold

Easy declarative web interfaces

ohkami_lib

internal library for Ohkami - A performant, declarative, and runtime-flexible web framework for Rust

anchor

managing Docker container clusters through declarative JSON manifests

oxc_transform_napi

A collection of JavaScript tools written in Rust

pg_debyte_macros

Helper macros for registering typed decoders in pg_debyte

axum-rh

A helper library for the axum router

immargs

No-hassle, on-the-spot, command line argument parser

gramma

Generate a scannerless parser by declaring types

fukurow-rules

Rule traits and constraint validation (SHACL equivalent) for Fukurow reasoning

ribir_widgets

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

actuate

A reactive user-interface framework

distx-similarity

Schema-driven similarity engine for tabular rows - part of DistX

dxr_client

Declarative XML-RPC (client implementation)

forgeconf

Declarative configuration loader for Rust structs powered by attribute macros

cgrammar

A comprehensive C language grammar parser library written in Rust, implementing the C23 standard (ISO/IEC 9899:2023)

patchy-bin

makes it easy to declaratively manage personal forks by automatically merging pull requests

armature-macros

Declarative macros for Armature framework

builder-pattern

A derivable macro for declaring a builder pattern

quantor

Declarative quantifiers for filtering, validation, and testing in Rust

torg-core

TØR-G: Token-Only Reasoner (Graph) - Boolean circuit IR for AI policy synthesis

compo

general-purpose declarative and reactive component framework designed for single-threaded asynchronous execution, offering high performance and safety guarantees. Suitable for GUI…

env-flags

A convenience macro for declaring environment variables

necessist-backends

sbd-server

websocket-based message relay server

bytevm

A tiny bytecode virtual machine

allui

A SwiftUI-inspired declarative UI framework for Rust, built on gpui-rs

ribir_painter

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

licenses

Cargo subcommand for collecting licenses

unic-langid-macros

API for managing Unicode Language Identifiers

railtube

Declarative environment manager inspired by home-manager, for reproducible Linux setups with APT, Snap, Flatpak, Cargo and custom scripts

cruding

declaring generic CRUD apis

linker-set

Declarative programming via linker-constructed arrays

ts-rs-forge

Generate TypeScript bindings from Rust types (Namastex fork with use_ts_enum)

css-structs

parsing and manipulating CSS stylesheets, rules, and declarations

rrgen

A microframework for declarative code generation and injection

mcpkg

an external, declarative tool to manage Minecraft Java Edition servers

fusabi-plugin-runtime

Plugin loader, hot-reload, and runtime for Fusabi plugins with manifest validation and capability enforcement

dxr_server

Declarative XML-RPC (server implementation)

pbj

Command line utility for generating tdd projects from declarative configurations

native-json

Native JSON for Rust

ribir_material

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

uiua-doc-gen

Documentation generator for Uiua libraries

turbo_atlas_icons

A system for declarative ui icon rendering with Bevy

swc_css_lints

CSS linter

ergani

Rust SDK for the Greek government Ergani API for employee workflows

sixtyfps-rendering-backend-default

Helper crate to pick the default rendering backend for SixtyFPS

pincer-core

Core types and traits for pincer declarative HTTP client

clientix

building HTTP clients and requests declaratively with procedural macros - no need to write complex imperative or functional logic

swan-macro

A declarative HTTP client library for Rust

accessorise

Add accessors to your struct and trait implementations

dylint_linting

writing Dylint libraries

derive_util

tools for derive macros

ohkami_openapi

OpenAPI types for Ohkami - A performant, declarative, and runtime-flexible web framework for Rust

bloom-web

A lightweight backend framework combining Actix-Web, SQLx, and declarative macros for rapid API development

droppable-pin

The eponoymous droppable_pin! macro around a given let var = pin!() declaration allows invoking pin_drop! and pin_set! on the given var, which have in turn been designed to avoid silly borrow-checking errors

dispatch_map

Type-safe, declarative dispatch maps for Rust configuration with automatic glue and zero boilerplate

teliox

Transaction Event Log

vizia

A declarative desktop GUI framework

ribir_text

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

compo-platform-loop

Cross-platform event loop implementation for the Compo declarative and reactive component framework

shive

lightweight IOC service container writen for the Rust applications

forge-rsx

macro library for declarative, JSX-like HTML generation. It allows you to write HTML structures with embedded logic, attributes, nested tags, loops, and more, directly in Rust code with a concise syntax.

oxiz-solver

Main CDCL(T) Solver API for OxiZ

cell_wrappers

set of macros for ergonomically working with TCells and TLCells from the qcell crate

halldyll_deploy_pods

Declarative, idempotent, and reconcilable deployment system for RunPod GPU pods

resilient-rabbitmq-client

Easily deploy resilient RabbitMQ consumers and publishers

mongo_indexed

derive macro to declaratively index mongo collections

fetch-source

Declare and fetch external sources programmatically

raw_struct

procedural macro for easily declaring C-style structs that reference local or external memory, based on your memory implementation. It generates appropiate getter methods for easy access.

ribir_geom

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

pincer

Declarative HTTP client for Rust, inspired by OpenFeign

dsp-process

Declarative processing

compo-window

Cross-platform window component for the Compo declarative and reactive component framework

leptos_hotkeys

that declaratively pairs keybindings with callbacks for Leptos applications

json-matcher

declaratively matching JSON values

retrofit-rs

A type-safe, declarative HTTP client library for Rust with interceptors, inspired by Retrofit

aqueducts-schemas

Framework to build ETL data pipelines declaratively

ribir_gpu

A non-intrusive declarative GUI framework, to build modern native/wasm cross-platform applications

stunt

A declarative web framework for Rust/Wasm

ascent_base

support library for the ascent package

argwerk

command-line parser through a declarative macro

typeswitch

A powerful, Go-inspired macro for clean and declarative runtime type switching on dyn Any trait objects

jugar-yaml

ELI5 YAML-First declarative game creation for children ages 5-12

assign

macro to allow mutating instance with declarative flavor

kotoba-kotobas

KotobaScript - Declarative programming language for frontend applications, extending Jsonnet with React component definitions

cranpose

runtime and UI facade

sixtyfps-rendering-backend-gl

OpenGL rendering backend for SixtyFPS

sixtyfps-corelib

Internal SixtyFPS runtime library

recovery

Trait and derive macros to declare how errors should be retried

syncat-stylesheet

Parser for Syncat Stylesheets

fack

Declarative error handling library with no_std support and composable code generation

ros_new

Cargo plugin to create new ROS2 Rust packages with package.xml

simple_parse

A declarative converter for Rust type to and from binary

quarve

Experimental desktop GUI framework that's multithreaded, declarative and designed for Rust

kobalt

A declarative UI framework for Rust inspired by Flutter and Jetpack Compose

declarative_lock

A thread-aware resource locking manager for Rust that enforces declaration-before-locking, guaranteeing deadlock freedom and preventing double-locking by tracking resource usage per thread

husk-dts-parser

TypeScript declaration file (.d.ts) parser for Husk

argtea

Declarative macro commandline parser (inspired by argwerk)

brk_rolldown_plugin_isolated_declaration

Rolldown plugin for TypeScript isolated declarations

brisk-it

core library of the brisk declarative engine

recompose

Declarative framework for the Bevy game engine

gpui-markup

A declarative markup DSL for building GPUI applications

unroll-lite

Unroll loops in const contexts, declarative macro version

strum-lite

Lightweight declarative macro for sets of strings

magic-sys

Declarations for the libmagic C library

enum-field

Declarative macros for enum-based heterogeneous field accessors

map-macro

Declarative macros for statically initializing collections

impl-opaque

Macro for declaring complex struct and initializer

kdl-script

execute kdl documents!

autoschematic-connector-k8s

An Autoschematic connector for declaratively managing Kubernetes resources

py-declare

type declare system for pycc-rs

feignhttp

Declarative HTTP client for rust

dioxus-google-fonts

A declarative Google Fonts embedding for Dioxus

leptos-routes

Fluent route declarations for the Leptos web framework

autoerr

Very opinionated helper to declare error types

da-rs

Declarative Agents in Rust

rui

Experimental Declarative UI library

c2e

C declaration → English translator

python3-sys

FFI Declarations for Python 3

grb-sys2

Gurobi C API FFI declarations

http-endpoint

Declarative specification of HTTP endpoints

parseltongue

Framework for declarative domain-specific languages

ref_thread_local

A macro for declaring thread-local statics like using both of lazy_static! and RefCell

xylem

Building context-sensitive type conversion

schematch

Declarative schema checking command

librelic-sys

Declarations for librelic

prometheus-macros

Macros for declaring prometheus metrics

enum_properties

A macro for declaring static properties on enum variants

guilt-by-association

Macro for declaring/implementing traits with fake associated consts (in stable Rust)

globalvar

declaring a global variable