Lib.rs

cfg-if

A macro to ergonomically define an item depending on a large number of #[cfg] parameters. Structured like an if-else chain, the first matching branch is the item that gets emitted.

dptree

An asynchronous event dispatch mechanism for Rust

criterium

Lightweigt dynamic database queries for rusqlite

if_chain

Macro for writing nested if let expressions

reqwest-chain

Apply custom criteria to any reqwest response, deciding when and how to retry

proteogenomics

symposium-acp-proxy

Symposium ACP proxy - orchestrates component chains to enrich agent capabilities

atento-core

Core engine for the Atento Chained Script CLI

trotter_qsim

Sparse, persistent XXZ quantum simulator using second-order Trotter decomposition with optional GPU acceleration

cchain

An AI-native modern cli automation tool built with Rust

clasp-caps

Capability tokens for CLASP protocol (delegatable Ed25519)

event_chains

A flexible event processing pipeline with middleware support

wesichain

Rust-native LLM agents & chains with resumable ReAct workflows

hessra-ffi

C FFI bindings for Hessra token verification and configuration

modulink-rs

A modular, composable, and observable async function orchestration library for Rust, following the ModuLink universal template

easy-error

error utilities

varchain

Async-only chain-based variable lookup engine, support no_std with alloc

openmc-endf-8-depletion-lib-a

OpenMC Depletion Chain Data from ENDF 8 (part a)

pyo3-error

Unified error causality chains across Rust and Python

virtio-media

Device support for virtio-media

openmc-endf-8-depletion-lib-b

OpenMC Depletion Chain Data from ENDF 8 (part b)

empty-fallback-chain

Iterator adaptor like chain, but conditional on empty first iterator

celers-canvas

Workflow primitives for CeleRS (Chain, Chord, Group, Map)

enhanced-magic-string

Rust based magic-string implementation with sourcemap chains support

sssui-mpc-rs

shamir-secret-sharing for SUI chain

codeuchain

High-performance implementation with memory safety and async support

kimberlite-storage

Append-only segment storage for Kimberlite

spqr-syft

Vendored spqr crate for syft

ware

middleware chains

slice-utils

A collection of slice utils, like itertools

foldlist

A mutable list with fast folding

glacis

LIDAR-style TUI for Glacis chain of custody system

chain-reader

Combining multiple [Read] instances into a sequential read pipeline with configurable error handling

kimberlite-crypto

Cryptographic primitives for Kimberlite

option-chain-tool

macro that brings JavaScript-like optional chaining to Rust

hyper-client-rs

Typed Rust client for the hyper.chain.new control-plane API

linked-markov

A minimal, thread-safe Markov chain implementation using reference-counted steps and weighted transitions

markov

A generic markov chain implementation in Rust

rule_rs

A lightweight rule engine implemented in Rust that supports asynchronous execution, component extension, and rule chain orchestration

ssb-validate

Verify Secure Scuttlebutt (SSB) hash chains (in parallel)

lethean

VPN Marketplace API

chains_f2vect

chain complexes and dg algebra manipulations

chainfile

working with genomics chain files

read-write-ext

ReadWriteExt trait with chain_after and take_rw for std::io::Read + Write structs

csvsc

Build processing chains for CSV files

chain_tools

A set of traits allowing for more a erganomic style of chain programming

read-write-ext-tokio

AsyncReadWriteExt trait with chain_after and take_rw for tokio::io::Read + Write structs

if-to-let-chain

Convert macros from the let_chains crate to if chains

infinite-errors

Generic error handling framework with static backtraces

option-chain

A macro for using ? operator in functions that don’t return Option

array_pool

tiered caching array pool implementation in Rust

sena

composable event handlers

loop_chain

Macro for writing nested Loop expressions

jtag-taps

interacting with individual TAPs on a JTAG scan chain

object-chain

Ad-hoc structure builder

chainmap

mutability of intermediate maps

attenuable-jwt

Create and verify JWTs that support secure offline attenuation

fluid-macro

Write long method chains as a series of steps instead, and more!

rustls-hot-reload

Hot-Reload Client Certs, Server Certs, and Root CA Chains for Rustls

bamboo-rs-core-ed25519-yasmf

Publish and verify signed hash chains of bamboo messages

tc-state

TinyChain's general state enum

cfg-if-edc

A macro to ergonomically define an item depending on a large number of #[cfg] parameters. Structured like an if-else chain, the first matching branch is the item that gets emitted.

markov_rs

fast Markov chain generator in Rust

injective-test-tube

CosmWasm integration testing for Injective

apply_conditionally

Chain and apply methods on objects conditionally

chain-map

A chain of maps with a single view into the aggregated values

signet-journal

working with trevm journals in the Signet chain

tap-trait

Inspect and mutate values without leaving the method chain

agglayer-interop

contains all the shared structs and traits used in agglayer protocol

iter2

Iterator chaining, cmping and more as free functions taking two IntoIterators

signet-constants

A collection of constants used in Signet

source-chain

Formats StdError with it's source chain

fn_chain

Helper macro/function to create function chaining

wesichain-core

Rust-native LLM agents & chains with resumable ReAct workflows

ironfish-frost

multi-signature primitives for the Iron Fish chain, based on the FROST protocol

morpho-rs-cli

CLI tool for querying Morpho vaults

ov

a collection of traits that allow you to chain off of anything

join_impl

join! macro

coreum-test-tube

CosmWasm integration testing for Coreum

chc-service

A local web server that implements the chc (Chain Head Coordinator) interface in Rust

cw20-ics20

IBC Enabled contracts that receives CW20 tokens and sends them over ICS20 to a remote chain

certbot

that calls out to certbot to get a TLS certificate

have

Let any type have some fun

typechain

Create chains of trait objects

chain_from_last

Iterator adaptor for chaining from last item

upa

Macro that removes the hassle of creating long pointer chains

osmosis-test-tube

CosmWasm integration testing for Osmosis

right-as

Chain call assigns tuple elements to outside

neutron-test-tube

CosmWasm integration testing for Neutron

append_db

append based state for applications over popular databases

iff

A macro for if / if let chains until [RFC 2497] is implemented

piapprec

partial pre-reveal entropy chain

test-tube-inj

building integration testing environments for cosmos-sdk chains in Rust

convert-chain

chain converter

side-proto

Rust Client for Side Chain

chaintools

Serialize and work with .chain files in Rust

flatfish

A macro to write Fully Qualified Syntax without nesting turbofishes

glacis-core

Core library for Glacis chain of custody

sei-integration-tests

Custom module to support integration tests for Sei chain contracts

chainlist-rs

EVM chain metadata and helpers generated from chainid.network

multi_reader

MultiReader - a composite reader implementation

uts-stamper

Universal Timestamps Stamper Library for packing digest and publish root on chain

bdk_testenv

Testing framework for BDK chain sources

walletfetch

Like Neofetch, but for your wallet

metrom-chain-adapter-commons

A collection of common utilities for the Metrom chain adapter service

abstract-ibc-host

Abstract IBC Host Contract

linear_data_chain

An abstraction that can produce a piece of data from a data chain

tx-bakery-ogmios

Ogmios chain query client for TxBakery

hyperliquid

API

iflet

macro to chain multiple patterns in an if let rather than nesting them

bytes_chain

Zero copy bytes chain based on crate bytes

lens-client

Lens Protocol API client

abstract-cw20-ics20

IBC Enabled contracts that receives CW20 tokens and sends them over ICS20 to a remote chain

ai-chain-milvus

Driver for the Milvus vector store

beaker

CosmWasm swiss-army knife configured for Osmosis by default, but trivial to make it work for other CosmWasm enabled chain