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All 305,250 crates, alphabetically

Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.

ch32v-rtDEPRECATED: use qingke-rt instead5,509MIT/Apache-2.0Embedded developmentNo standard library ch32v-rt-macrosDEPRECATED: use qingke-rt-macros instead3,532MIT/Apache-2.0Embedded developmentNo standard library ch32v0Device support crates for CH32V0 devices5,385MIT/Apache-2.0Embedded developmentHardware support ch32v1Device support crates for CH32V1 devices7,652MIT/Apache-2.0Embedded developmentHardware support ch32v103Device support crates for CH32V1 devices1,591MIT/Apache-2.0Embedded developmentHardware support ch32v103-halWCH CH32v103 MCU HAL5,272MITEmbedded developmentNo standard library ch32v2Device support crates for CH32V2 devices8,412MIT/Apache-2.0Embedded developmentHardware support ch32v20xDevice support crates for CH32V2 devices1,638MIT/Apache-2.0Embedded developmentHardware support ch32v3Device support crates for CH32V3 devices10,973MIT/Apache-2.0Embedded developmentHardware support ch32v307-pacPeripheral access API for CH32V307 chips1,720ISCEmbedded developmentHardware support ch32v307vBoard support crate for CH32V307V boards.1,691Apache-2.0Embedded developmentHardware support ch32v30xWith svd2rust generated peripherals for WCH CH32V30x MCU's.3,203Apache-2.0Embedded developmentHardware support ch32v30x-halHAL for the WCH CH32V30x family of microcontrollers.2,486Apache-2.0Embedded developmentHardware support ch32x0Device support crates for CH32X0 devices3,132MIT/Apache-2.0Embedded developmentHardware support ch347_rsch347 for rust4,150MIT ch4DNS Client Tool32,135MIT OR Apache-2.0Command line utilities ch569-halHAL for CH569 microcontrollers1,834MIT OR Apache-2.0Embedded developmentHardware support ch569-pacPAC for CH569 microcontrollers2,229MIT OR Apache-2.0 ch56xDevice support crates for CH56X devices2,803MIT/Apache-2.0Embedded developmentHardware support ch56x-halPlaceholder owned by the ch32-rs team1,551MIT/Apache-2.0 ch572_pacPeripheral access crate for the CH572 (WCH MCU)1,379MIT OR Apache-2.0Embedded developmentHardware support ch57xDevice support crates for CH57X devices2,858MIT/Apache-2.0Embedded developmentHardware support ch57x-halPlaceholder owned by the ch32-rs team1,542MIT/Apache-2.0 ch57x-hal-raynhardtHAL for the CH57x RISC-V BLE microcontrollers from WCH123MIT/Apache-2.0Embedded developmentNo standard library ch57x-keyboard-toolCommand-line tool for programming ch57x keyboard24,344MIT OR Apache-2.0Command line utilitiesHardware support ch57x-pacPeripheral Access Crate (PAC) for WCH CH57x RISC-V BLE microcontrollers258MIT OR Apache-2.0Embedded developmentHardware support ch58xDevice support crates for CH58X devices6,895MIT/Apache-2.0Embedded developmentHardware support ch58x-halHAL for the CH583/CH582/CH581 RISC-V BLE microcotrollers from WCH4,605MIT/Apache-2.0Embedded developmentNo standard library ch59xDevice support crates for CH59X devices3,122MIT/Apache-2.0Embedded developmentHardware support ch59x-halPlaceholder owned by the ch32-rs team1,607MIT/Apache-2.0 ch641Device support crates for CH641 devices1,556MIT/Apache-2.0Embedded developmentHardware support ch643Device support crates for CH643 devices1,588MIT/Apache-2.0Embedded developmentHardware support ch7some decription1,970MIT ch8-isaChip-8 instruction set and code generator4,741LGPL-3.0+ ch8_emuA simple Chip-8 emulator written in rust35MIT ch8alibWorkspace dependency for ch8asm2,758GPL-3.0+ ch8asmOpen-source Chip-8 assembler3,209GPL-3.0+ ch9120Rust driver for the CH9120 Ethernet-to-UART chip19MITEmbedded developmentHardware support ch_cityhash102ClickHouse CityHash implementation732,218MITAlgorithms ch_cratestudy crate publish2,545MIT OR Apache-2.0 chaColor Hashing Algorithm3,877MIT cha-cliCha — pluggable code smell detection CLI (察)656MITDevelopment toolsDevelopment tools::Testing cha-coreCore analysis engine for Cha — pluggable code smell detection1,125MITDevelopment toolsDevelopment tools::Testing cha-lspLSP server for Cha — real-time code smell diagnostics543MIT cha-parserTree-sitter based AST parser for Cha (TypeScript, Rust)1,005MITDevelopment toolsDevelopment tools::Testing cha-plugin-sdkSDK for building Cha WASM analyzer plugins — zero-config, no WIT file needed673MITDevelopment toolsWebAssembly cha-plugin-sdk-macrosProc-macro internals for cha-plugin-sdk805MIT cha-rsExtract specific characters from an input.3,954GPL-3.0 chabeauA full-screen terminal chat interface that connects to various AI APIs for real-time conversations4,985CC0-1.0API bindingsCommand line utilities chaceCHamal's AutoComplete Engine - An LLM based code completion engine59MIT chachaChaCha stream ciphers5,790,092MIT/Apache-2.0 chacha12Pure-Rust, SIMD-accelerated ChaCha12 for any platform358MITCryptography chacha12-blake3Secure, Simple and Fast encryption for any CPU2,898MITCryptography chacha12blake3Moved to chacha12-blake3620MITCryptography chacha20The ChaCha20 stream cipher (RFC 8439) implemented in pure Rust using traits from the RustCrypto `cipher` crate, with optional…139,387,340MIT OR Apache-2.0CryptographyNo standard library chacha20-blake3ChaCha20-BLAKE3: Secure, Simple and Fast encryption for any CPU1,063MITCryptographyNo standard library chacha20-poly1305The ChaCha20 stream cipher and Poly1305 MAC based AEAD.399,374CC0-1.0Cryptography chacha20-poly1305-aeadA pure Rust implementation of the ChaCha20-Poly1305 AEAD from RFC 7539.373,285MIT OR Apache-2.0 chacha20-poly1305-streamA pure Rust implementation of the ChaCha20-Poly1305 AEAD from RFC 7539.4,652MIT OR Apache-2.0 chacha20poly1305Pure Rust implementation of the ChaCha20Poly1305 Authenticated Encryption with Additional Data Cipher (RFC 8439) with optional…68,145,201Apache-2.0 OR MITCryptographyNo standard library chacha20poly1305-nostdPure-Rust ChaCha20-Poly1305 AEAD implementation for no_std/bare-metal targets (avoids LLVM SIMD issues)286Apache-2.0CryptographyEmbedded development chacha20streamA writable wrapper stream for encryption and decryption with the stream cipher chacha20_poly130511,847MIT chacha8randReproducible, robust and (last but not least) fast pseudorandomness5,041MIT OR Apache-2.0AlgorithmsNo standard library chacha_box_ietfSealed boxes using X25519 and ChaCha20-Poly1305 (RFC 8439): anonymously send unforgeable messages to a recipient given their…4,552Apache-2.0 OR MIT chachachaSIMD optimized implementations of the Chacha stream cipher6,085MITAlgorithmsCryptography chacliA simple cli for the chacha20 cipher, do not use for serious purposes2,775MIT chadThin platform layer for games: owns the winit event loop, window, wgpu init, surface lifecycle, and frame timing; exposes winit…10MIT OR Apache-2.0Game developmentGraphics chademo-rsAn embedded-hal crate for bi-directional CHAdeMO EV charging based on IEEE Std 2030.1.1-20212,796MITEmbedded developmentNo standard library chadfetchConsole utilite for watch info about your system11,444non-standard chadgptopenai cmdline repl1,815MITCommand line utilitiesParsing tools chadmespathJMESPath for JSON — a fork of jmespath 0.3 (MIT) adding Expression::search_cached, which evaluates against a pre-converted Rcvar…46MITParsing tools chadpathXPath 1.0 / XSLT engine — a fork of xrust (Apache-2.0) with XPath positional-predicate correctness fixes and parser performance…154Apache-2.0Parser implementations chadselectUnified data extraction — Regex, XPath 1.0, CSS Selectors, and JMESPath behind one query interface596MITParsing toolsWeb programming chadswapChadSwap DEX CLI - Swap tokens on Fantom Opera from your terminal95MITCommand line utilitiesCryptography::Cryptocurrencies chafA CLI filter tool that removes lines based on logical conditions using AND, OR, NOT, and parentheses.438MIT OR Apache-2.0Command line utilitiesText processing chafaSafe wrapper around chafa4,074MIT chafa-syms-cliDemo/test CLI for chafa-syms-rs: render images as tunable Unicode symbol art.44LGPL-3.0-only chafa-syms-rsPure-Rust port of chafa's symbol-rendering core: tunable Unicode symbol rendering of raster graphics.1,250LGPL-3.0-only chafa-sysFFI bindings to Chafa10,120MIT chaffSafe, smart dev-disk reclaimer — winnow build & dependency junk from your projects117MITCommand line utilitiesFilesystem chaff-mathSmall math utilities (add, absolute difference).33MITMathematicsNo standard library chafkaExtensible service for real-time data ingestion from Kafka to ClickHouse3,926MIT chagleA reverse proxy for NAT traversal19Apache-2.0 chaian engine i guess, currently does nothing3,313MIT chai-frameworkA framework for creating TUI SSH programs in Rust364MITCommand-line interfaceNetwork programming chai-lattePlaceholder for chai-latte, upcoming UI + animation defaults for chai-tea.317MIT OR Apache-2.0GUI chai-leafPlaceholder for chai-leaf, the chai-tea debugger.273MIT OR Apache-2.0GUI chai-teaA minimal Elm-style architecture for egui/eframe apps.564MIT OR Apache-2.0GUI chainchain4,237MIT chain-assertionsInsertable assertions into method chains135MIT OR Apache-2.0Development tools::DebuggingNo standard library::No dynamic allocation chain-builderA typed, dialect-aware SQL query builder for Rust (PostgreSQL/MySQL/SQLite).30,998MITDatabase interfacesDatabase implementations chain-cmpChain comparison operators easily3,655GPL-3.0-onlyMathematics chain-debugInjecting debug without rewriting chain-calling code2,831MIT chain-idFogo Sessions chain-id program374Apache-2.0 chain-inspectorBlockchain inspector87MIT OR Apache-2.0 chain-intoiterChaining IntoIter6,391Apache-2.0 chain-mapA chain of maps with a single view into the aggregated values.58,423MIT OR Apache-2.0Data structures chain-oneA way to add a single element to an iterator while preserving `ExactSizeIterator`2,032Unlicense chain-p2pA Tcp framework.9,721MIT/Apache-2.0 chain-pingA high-performance CLI tool for benchmarking Ethereum RPC endpoints.47MITCommand line utilitiesDevelopment tools chain-readerCombining multiple [`Read`] instances into a sequential read pipeline with configurable error handling1,506MITRust patterns chain-registryA library for interacting with the Cosmos chain registry repository6,463Apache-2.0 chain-registry-interfaceTyped runtime access to Cosmos chain-registry (schemas only; no embedded data).46Apache-2.0 OR MIT chain-signaturesChain signatures program for cross-chain signing on Solana1,700MIT chain-signatures-solana-programChain signatures program for cross-chain signing on Solana92MIT chain-specTetcore chain configurations types.2,967Apache-2.0 chain-spec-builderA utility to easily create a tetcore testnet chain spec definition3,026GPL-3.0-or-later WITH Classpath-exception-2.0Cryptography::Cryptocurrencies chain-spec-generatorGenerates a chainspec artifact for use in genesis block creation of a Xand network.1,666MIT OR Apache-2.0 chain-transUtility for chaining function applications onto structs in continuation-style3,429MITNo standard library chain_from_lastIterator adaptor for chaining from last item.1,831Apache-2.0AlgorithmsNo standard library chain_linkMicro library with a util for chaining operations on a single type.2,242MIT OR Apache-2.0 chain_linqAn implementation of .NET's LINQ in rust as a declarative macro.5,179MITRust patterns chain_peerA TCP framework based on mio3,587MIT/Apache-2.0 chain_reactionsimple beautiful timed function chaining4,214MIT chain_toolsA set of traits allowing for more a erganomic style of chain programming4,583MIT OR Apache-2.0 chainableChaining operations one after the other2,321Unlicense chainable-if...4,467MIT OR Apache-2.0 chainblocksrust bindings and utility in order to use chainblocks1,713BSD-3-Clause chainbufFast chained buffers10,325MIT chainchompTinyest Opinionated parser combinator library for Rust.13,421MIT chaincodeChaincode1,602MIT chaincodec-batchHigh-throughput batch decode engine for ChainCodec — Rayon parallel processing21MITConcurrencyCryptography::Cryptocurrencies chaincodec-cliChainCodec command-line tool — verify schemas, run golden tests, benchmark decode21MITCommand line utilitiesCryptography::Cryptocurrencies chaincodec-coreCore decoder traits, type normalizer, and shared primitives for ChainCodec476MITCryptography::CryptocurrenciesEncoding chaincodec-evmEVM ABI decoder for ChainCodec — built on alloy-rs206MITCryptography::CryptocurrenciesEncoding chaincodec-observabilityOpenTelemetry metrics, tracing, and structured logging for ChainCodec72MITDevelopment tools::Profiling chaincodec-registrySchema Registry for ChainCodec — CSDL parser, in-memory store, version management352MITCryptography::CryptocurrenciesEncoding chaincodec-streamReal-time blockchain event streaming engine for ChainCodec (Tokio-based)73MITAsynchronousCryptography::Cryptocurrencies chaincraftA high-performance Rust-based platform for blockchain education and prototyping81MITCryptographyNetwork programming chaindevPowerful development and testing utils for blockchain developers.160,051GPL-3.0 chaindexEVM Chain Indexer1,263MIT OR Apache-2.0 chaindexerBlockchain indexer and query engine2,962MIT OR Apache-2.0 chaindexingIndex any EVM chain and query in SQL94,631MIT OR Apache-2.0AsynchronousConcurrency chaindexing-macrosProcedural macros for Chaindexing874MIT OR Apache-2.0 chaindictA chain of dictionaries59MPL-2.0 chainedA library for lazily chaining functions2,834MITData structuresNo standard library chained_iterProvides a small helper macro for creating iterators out of values without allocation.3,867MIT chainerA cursed crate that allows for global call chaining with access to chained function results2,931MITRust patterns chainerrorMake chaining errors easy.46,543MIT OR Apache-2.0Rust patterns chainerrors-coreCore types and traits for the ChainErrors blockchain error decoder148MITCryptography::Cryptocurrencies chainerrors-evmEVM revert/panic/custom error decoder — built on alloy-rs20MITCryptography::Cryptocurrencies chainerrors-solanaSolana program error decoder — system, SPL Token, and Anchor errors21MITCryptography::Cryptocurrencies chainfileA crate for working with genomics chain files.23,585Apache-2.0/MIT chainfuzzA library for fuzzing UTxO blockchain data structures1,932Apache-2.0 chainhookwebhook for chains2,624MIT chainhook-event-observerStateless Transaction Indexing Engine for Stacks and Bitcoin14,799GPL-3.0 chainhook-sdkStateless Transaction Indexing Engine for Stacks and Bitcoin69,391GPL-3.0 chainhook-typesBitcoin and Stacks data schemas, based on the Rosetta specification48,754MIT chainindex-aptosAptos indexer for ChainIndex — block tracking, Move event parsing, and resource monitoring21MITCryptography::Cryptocurrencies chainindex-bitcoinBitcoin indexer for ChainIndex — UTXO tracking, block parsing, and address monitoring21MITCryptography::Cryptocurrencies chainindex-coreCore traits, block tracker, reorg detection, and checkpoint management for ChainIndex551MITCryptography::Cryptocurrencies chainindex-cosmosCosmos (Tendermint/CometBFT) indexer for ChainIndex — block tracking, event parsing, and IBC monitoring20MITCryptography::Cryptocurrencies chainindex-evmEVM block fetcher, index loop, and builder API for ChainIndex54MITCryptography::Cryptocurrencies chainindex-solanaSolana-specific indexer for ChainIndex — slot tracking, program log parsing, and account monitoring54MITCryptography::Cryptocurrencies chainindex-storageStorage backends for ChainIndex (memory, SQLite, Postgres)139MITCryptography::CryptocurrenciesDatabase interfaces chainindex-substrateSubstrate (Polkadot/Kusama) indexer for ChainIndex — block tracking, extrinsic parsing, and event decoding21MITCryptography::Cryptocurrencies chainindex-suiSui indexer for ChainIndex — checkpoint tracking, object changes, and event parsing20MITCryptography::Cryptocurrencies chainingAdds chaining methods `tap` and `pipe` to every type1,632Unlicense chainkovHashMap / Tuple-backed Markov Chains9,673MIT OR Apache-2.0 chainlibA library to help with creating HD wallets and signing Crypto.org Chain transfer transactions offline.3,020Apache-2.0CryptographyCryptography::Cryptocurrencies chainlinkAn arena-backed doubly linked list in 100% safe Rust.1,770MIT chainlink-data-streams-reportChainlink Data Streams Report146,896MIT chainlink-data-streams-sdkChainlink Data Streams client SDK126,813MIT chainlink-trackerA lean issue tracker CLI for AI-assisted development sessions422MITCommand line utilitiesDevelopment tools chainlink_anchorThis crate is reserved for the Chainlink project1,641MIT chainlink_apiThis crate is reserved for the Chainlink project1,665MIT chainlink_clientThis crate is reserved for the Chainlink project1,666MIT chainlink_coreThis crate is reserved for the Chainlink project1,665MIT chainlink_cosmwasmThis crate is reserved for the Chainlink project1,692MIT chainlink_kusamaThis crate is reserved for the Chainlink project1,674MIT chainlink_nearThis crate is reserved for the Chainlink project1,684MIT chainlink_polkadotThis crate is reserved for the Chainlink project1,699MIT chainlink_solanaChainlink client for Solana71,444MIT chainlink_terraThis crate is reserved for the Chainlink project1,658MIT chainlistMinimal `no_std` bindings for the Chainlist API.2,553MITCryptographyCryptography::Cryptocurrencies chainlist-rsEVM chain metadata and helpers generated from chainid.network284MIT OR Apache-2.0Cryptography::CryptocurrenciesData structures chainmailStrategy based authentication middleware for Iron framework4,116MIT/Apache-2.0 chainmailerIf You Do Not Send This Letter To Ten Recipients You Will Regret It546MIT OR Apache-2.0Command-line interfaceGames chainmapA ChainMap with mutability of intermediate maps8,434MITData structures chainmqA Redis-backed, type-safe job queue for Rust. Provides job registration and execution, delayed jobs, retries with backoff, and…1,560MITAsynchronousData structures chainparserParses Solana account data using provided IDL4,369MIT chainpulseChainpulse is a monitoring tool for IBC relayers12,061Apache-2.0 chainqlQuery substrate chains using jsonnet14,022MIT chainql-coreJrsonnet library for chainql9,186MIT chainql-frame-metadataMetadata types for Substrate runtimes (Forked for chainql)10,988Apache-2.0 chainrpc-coreTransport trait, policy engine and types for ChainRPC341MITCryptography::CryptocurrenciesNetwork programming chainrpc-httpHTTP JSON-RPC transport with retry, circuit breaker and auto-batching182MITCryptography::CryptocurrenciesNetwork programming chainrpc-providersProvider profiles for ChainRPC (Alchemy, Chainstack, Infura, QuickNode, public)86MITCryptography::Cryptocurrencies chainrpc-wsWebSocket JSON-RPC transport with auto-reconnect for ChainRPC90MITCryptography::CryptocurrenciesNetwork programming chainrules-coreBackend-agnostic JVP and VJP rule protocol for scientific Rust15MITMathematicsScience chainsRust bindings for the Ethereum Chain List.1,634MIT chains-sdkUnified, secure multi-chain signing library for ECDSA, EdDSA, BLS, and Schnorr48MIT OR Apache-2.0Cryptography chains_f2vectchain complexes and dg algebra manipulations1,584MIT chainsawA tool to manipulate newick trees20,360LGPL-3.0-or-later chainsaw-cliTrace transitive import weight in TypeScript and Python codebases128GPL-3.0-onlyCommand line utilitiesDevelopment tools chainsawerAutomated import chain surgery for TypeScript and JavaScript21MIT chainseekerchainseeker.info client side library5,209MITAPI bindingsCryptography::Cryptocurrencies chainseeker-serverchainseeker.info server-side implementation1,982MITCryptography::CryptocurrenciesWeb programming::HTTP server chainsight-sdk-v2Chainsight SDK for DFINITY Internet Computer574Apache-2.0 chainsight-sdk-v2-typesChainsight SDK for DFINITY Internet Computer783Apache-2.0