BROWSE A-Z
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.
substrate-wasm-builder-runnerRunner for substrate-wasm-builder389,062Apache-2.0
substrate-wasmtimeHigh-level API to expose the Wasmtime runtime122,528Apache-2.0 WITH LLVM-exception
substrate-wasmtime-jitJIT-style execution for WebAsssembly code in Cranelift85,568Apache-2.0 WITH LLVM-exception
substrate-wasmtime-profilingRuntime library support for Wasmtime60,782Apache-2.0 WITH LLVM-exception
substrate-wasmtime-runtimeRuntime library support for Wasmtime86,872Apache-2.0 WITH LLVM-exception
substrate221st century electronic design automation tools, written in Rust.1,541BSD-3-Clause
substrate_labsEmpty crate1,539MIT
substrate_macroDerive Macro for Substrate Actions5,180Apache-2.0
substrate_parserparser for Substrate chain data15,129GPL-3.0-or-later
substratebuilder…1,625MIT
substreamsSubstreams SDK - A streaming data engine for The Graph - by StreamingFast297,330Apache-2.0
substreams-abisSubstreams ABIs14,031MIT
substreams-antelopeSubstreams development kit for Antelope chains, contains Firehose Block model and helpers.17,313MIT OR Apache-2.0
substreams-antelope-abigenSubstreams development kit for Antelope chains, contains Firehose Block model and helpers.14,074MIT OR Apache-2.0
substreams-antelope-coreSubstreams development kit for Antelope chains, contains Firehose Block model and helpers.20,111MIT OR Apache-2.0
substreams-bitcoinSubstreams development kit for Bitcoin chains, contains Firehose Block model and helpers.3,793Apache-2.0
substreams-bitcoin-coreSubstreams development kit for Bitcoin chains, contains Firehose Block model and helpers.4,157Apache-2.0
substreams-cosmosSubstreams development kit for Cosmos chains, contains Firehose Block model and helpers.3,938MIT
substreams-cosmos-coreSubstreams development kit for Cosmos chains, contains Firehose Block model and helpers.4,144MIT
substreams-database-changeSubstreams database change containg helpers91,526Apache-2.0
substreams-entity-changeSubstreams entity change library containing helpers120,252Apache-2.0
substreams-ethereumSubstreams development kit for Ethereum chains, contains Firehose Block model and helpers as well as utilities for Ethereum ABI…180,464Apache-2.0
substreams-ethereum-abigenSubstreams development kit for Ethereum chains, contains Firehose Block model and helpers as well as utilities for Ethereum ABI…180,938Apache-2.0
substreams-ethereum-coreSubstreams development kit for Ethereum chains, contains Firehose Block model and helpers as well as utilities for Ethereum ABI…175,569Apache-2.0
substreams-ethereum-deriveSubstreams development kit for Ethereum chains, contains Firehose Block model and helpers as well as utilities for Ethereum ABI…180,253Apache-2.0
substreams-helperSubstreams Helper Crate - by Messari2,766MIT
substreams-macroSubstream's proc macros.297,229Apache-2.0
substreams-nearSubstreams development kit for NEAR chains, contains Firehose Block model and helpers.9,387Apache-2.0
substreams-near-coreSubstreams development kit for NEAR chains, contains Firehose Block model and helpers.64,735Apache-2.0
substreams-sink-coreSubstreams Sink core module5,585Apache-2.0
substreams-sink-kvSubstreams kv sink module9,456Apache-2.0
substreams-sink-prometheusSubstreams Prometheus sink module13,997MIT OR Apache-2.0
substreams-sink-winstonSubstreams Winston Logger sink module4,060MIT OR Apache-2.0
substreams-solanaSubstreams development kit for Solana chains, contains Block model and helpers.31,690Apache-2.0
substreams-solana-coreSubstreams development kit for Solana chains, contains Block model and helpers.29,616Apache-2.0
substreams-solana-idlsType-safe Solana instruction, event & account decoders for Substreams6,942MIT
substreams-solana-macroSubstreams development kit for Solana chains, contains Block model and helpers.28,654Apache-2.0
substreams-solana-program-instructionsSubstreams Solana program instructions16,373Apache-2.0
substreams-starknetRust library for Starknet substreams development1,512MIT OR Apache-2.0
substringA substring method for string types.9,900,197MIT OR Apache-2.0
substring-replaceThis crate provides developer-friendly methods to manipulate strings with character indices.12,080MIT
substrsA crate for substring functionality for the str type in Rust1,735MIT
substructA proc-macro to create subsets of structs19,356MIT OR Apache-2.0
substruct-genesisProcedural macros for substruct generation359non-standard
substudyLanguage-learning tools for working with parallel, bilingual
subtitles and media files.31,516Apache-2.0
subsumeRegion embeddings for entailment and set containment1,057MIT OR Apache-2.0
subsyncA simple tool to synchronize subtitle files to their respective media files1,343MIT/Apache-2.0
subsystemctlUtility to run systemd in WSL2 with a Linux namespace5,746MIT
subtale-cortexCrash handling for Rust applications1,602MIT OR Apache-2.0
subtensor-macrossupport macros for Subtensor13MIT
subtermA library for managing pools of interactive subprocesses925MIT OR Apache-2.0
subtextA parser for the Subtext file format25,476Apache-2.0
subtileA crate of utils to operate traitements on subtitles19,600LGPL-3.0-or-later
subtile-ocrConverts DVD VOB subtitles to SRT subtitles with Tesseract OCR14,504GPL-3.0
subtitleFind & download subtitles from the terminal.4,226GPL-3.0-or-later
subtitle-translatorCLI tool to translate ASS/SSA subtitle files using AI models via OpenRouter32MIT
subtitle-translator-cliA tool to translate subtitle files1,390MIT
subtitle_retimerBasic subtitle commandline editor24MIT
subtitlerParse, convert, validate, edit, and generate subtitles in 15 formats (SRT, VTT, ASS/SSA, MicroDVD, SubViewer, TTML, SBV, LRC,…3,395Apache-2.0
subtitlesA command line programme to generate SRT format subtitles for use in video players.8,942BSD-2-Clause
subtlePure-Rust traits and utilities for constant-time cryptographic implementations.596,892,634BSD-3-Clause
subtle-derivePure-Rust traits and utilities for constant-time cryptographic implementations.2,020CC0-1.0
subtle-encodingEncoders and decoders for common data encodings (base64, bech32, hex)
which avoid data-dependent branching/table lookups and…7,426,065Apache-2.0 OR MIT
subtle-mlPure-Rust traits and utilities for constant-time cryptographic implementations.1,653BSD-3-Clause
subtle-ngPure-Rust traits and utilities for constant-time cryptographic implementations.14,633,980BSD-3-Clause
subtle-ng-deriveDerive macros for subtle-ng traits.7,420BSD-3-Clause
subtomlSubstitute parts of TOML file5,632MIT/Apache-2.0
subtoolA tool interact with substrate blockchain1,604MIT
subtpA parser for subtitle files such as the SubRip Subtitle (.srt) and the WebVTT (.vtt).12,335MIT OR Apache-2.0
subtr-actorRocket League replay transformer8,201MIT
subtr-actor-specRocket League replay transformer4,526MIT
subtract_numsTakes two unsigned numbers and returns their subtracted output.1,740MIT
subtreeConfiguration framework using subtrees3,469BSD-2-Clause-Patent
subtrieMerkle-Patricia Trie generic over key hasher and node encoding1,389Apache-2.0
subtype_macroAda‑style subtype attribute macro for Rust1,250MIT
subtype_rsAda‑style subtype newtype library970MIT
subunitA subunit v2 protocol implementation in Rust2,494Apache-2.0
subunit-rustA subunit v2 protocol implementation in Rust9,703Apache-2.0
subup…1,611MIT
subversionRust bindings for Subversion18,432Apache-2.0
subversion-sysLow-level FFI bindings for Subversion8,230Apache-2.0
subversionerMinimal implementation of Substrate version.22,205GPL-3.0
subwalletCLI Wallet for Polkadot/Substrate1,724MIT
subwasmsubwasm is a utility that works on WASM Runtime of Substrate based chains1,353MIT
subwasmliba small lib used by the subwasm cli1,944MIT
subwayFast, performant in-memory SkipList implemented in Rust.8,242MIT
subway-rsA Highly Optimized Sandwich Bot Built with Pure Rust and Huff10,710MIT
subweightCompare weight files of the Substrate blockchain SDK.11,271GPL-3.0-only
subweight-coreCompare weight files of the Substrate blockchain SDK.18,856GPL-3.0-only
subweight-webCompare weight files of the Substrate blockchain SDK.8,303GPL-3.0-only
subx-cliAI subtitle processing CLI tool, which automatically matches, renames, and converts subtitle files.6,501GPL-3.0-or-later
subxtInteract with Substrate based chains on the Polkadot Network7,112,762Apache-2.0 OR GPL-3.0
subxt-cliCommand line utilities for working with subxt codegen81,663Apache-2.0 OR GPL-3.0
subxt-codegenGenerate an API for interacting with a substrate node from FRAME metadata7,132,338Apache-2.0 OR GPL-3.0
subxt-coreA no-std compatible subset of Subxt's functionality5,908,621Apache-2.0 OR GPL-3.0
subxt-historicDownload non head-of-chain blocks and state from Substrate based nodes2,186Apache-2.0 OR GPL-3.0
subxt-lightclientLight Client for chain interaction6,776,653Apache-2.0 OR GPL-3.0
subxt-macroGenerate types and helpers for interacting with Substrate runtimes.7,117,332Apache-2.0 OR GPL-3.0
subxt-metadataCommand line utilities for checking metadata compatibility between nodes.7,420,581Apache-2.0 OR GPL-3.0
subxt-rpcsMake RPC calls to Substrate based nodes3,992,642Apache-2.0 OR GPL-3.0
subxt-signerSign extrinsics to be submitted by Subxt6,431,685Apache-2.0 OR GPL-3.0
subxt-utils-accountid32Subxt's AccountId32 representation502,416Apache-2.0 OR GPL-3.0
subxt-utils-fetchmetadatasubxt utility to fetch metadata5,696,355Apache-2.0 OR GPL-3.0
subxt-utils-stripmetadatasubxt utility to strip metadata11,066Apache-2.0 OR GPL-3.0
subxtxtConvenient extensions to `subxt` library1,502Apache-2.0
subzerocomputing the substrate zero address1,535MIT
suc(Simple) Secure (Filebased) User Credentials1,808Unlicense
sucano way that actually worked1,258ISC
succSucceedable types (++)2,601MIT
successA great crate, much successful1,919MIT OR Apache-2.0
succinctSuccinct data structures for Rust345,544MIT/Apache-2.0
succinct_rsSuccinct Data Structures library for Rust.12,022MIT OR Apache-2.0
succinct_vecA Vec-like datastructure with less memory overhead1,854MIT
succinctlyHigh-performance succinct data structures for Rust4,352MIT
succparenSuccinct data structures library for balanced parentheses representation1,797MIT
succtreeA usize-ary Tree for a sweep and prune algorithm1,554non-standard
sucdSucc2,015BSD-2-Clause
sucdsSuccinct data structures in Rust888,721MIT OR Apache-2.0
suchbarsuchbar - enduser-learnable-language for database queries.3,647MIT
sucherA fast terminal viewer for files that are awkward in a browser: markdown, spreadsheets, PDF, images, video, docx, pptx, Keynote,…83MIT
suchiA simple todo6,243GPL-3.0-only
suckSuck data up through a channel1,007MIT
suckitSuckIT, Suck the InTernet4,850MIT OR Apache-2.0
suckless-mcpTurn any CLI tool into an MCP endpoint - minimal gateway with per-tool auth37MIT
sucreSymmetric Interaction Combinator Runtime1,537MIT
sucre_coreSymmetric Interaction Combinator Runtime1,567MIT
sucre_explorerSymmetric Interaction Combinator Runtime1,538MIT
sudAlternative to serde1,605MIT
sudachiclonesudachiclone-rs is a Rust version of Sudachi, a Japanese morphological analyzer.5,946Apache-2.0
sudataA simple data processing tool23MIT
sudoDetect if you are running as root, restart self with sudo if needed or setup uid zero when running with the SUID flag set.1,821,605MIT/Apache-2.0
sudo-askpassA sudo askpasss so inputting your password isn't boring1,603MIT
sudo-booA program that scare users when running with root permission5,530LGPL-3.0-only
sudo-gcpA gcloud CLI wrapper to use a more secure pattern of
temporary access tokens and service account impersonation.5,028Apache-2.0
sudo-proxyPrivileged command execution proxy with human approval via pkexec or sudo59MIT
sudo-rsA memory safe implementation of sudo and su.17,121Apache-2.0 OR MIT
sudo2Detect if you are running as root, restart self with sudo or any other wrapper if needed or setup uid zero when running with the…40,020MIT OR Apache-2.0
sudo39Privilege-elevation MCP server for AI agents38Apache-2.0
sudo_ai'Rewrite' of sudo with AI603MIT
sudo_pairsudo IO-plugin to require a live human pair9,348Apache-2.0
sudo_pluginMacros to easily write custom sudo plugins5,827Apache-2.0
sudo_plugin-sysBindings to the sudo plugin API9,336Apache-2.0
sudo_promptProvides a dialog prompt to run a command using sudo.2,372MIT
sudodbRelational database for the Internet Computer63,218MIT
sudographGraphQL database for the Internet Computer72,959MIT
sudograph-generateProcedural macro for Sudograph63,971MIT
sudokoA comprehensive Sudoku solving library with multiple strategies, puzzle generation, and WebAssembly support3,468MIT
sudoko-tuiTerminal User Interface for the sudoko library - modern TUI using ratatui1,659MIT
sudokuA sudoku solver library53,886AGPL-3.0
sudoku-checkerA sudoku checker only using the type system1,029MIT
sudoku-cliA command-line tool for solving sudoku puzzles.12,019MIT
sudoku-plussudoku-plus is a versatile Rust library designed for generating and solving various Sudoku structures, including Plane,…74MIT OR Apache-2.0
sudoku-rustSudoku game in the terminal + Sudoku library3,939MIT
sudoku-solverSimple backtracking algorithm for solving sudoku.8,532MIT
sudoku-ttyPlay sudoku in terminal6,381MIT
sudoku-tuiPlay sudoku on the command line. (TUI interface)9,032MIT
sudoku-variantsA flexible Sudoku engine that supports common variations and custom rules.5,420MIT OR Apache-2.0
sudoku_libSudoku library11,493MIT
sudoku_machineA Sudoku game built with Bevy6,491MIT
sudoku_rsa package for sudoku in pure rust7,374MIT
sudoku_solver_by_royA sudoku solver written in Rust1,536MIT
sudokugenSudokugen is a sudoku solving and generating library7,216MIT
sudokula work-in-progress library for sudoku stuff3,110MIT
sudolang-lspStructural language server for SudoLang (diagnostics + deterministic formatter)6MIT
sudoserviceRust library interacting with service managers2,330MIT
sudosolveA Rust crate for solving Sudoku puzzles. It takes a Sudoku puzzle input and provides the solved grid.1,600MIT
sudpSecret-Use Delegation Protocol — protocol-level secret use for agentic systems502Apache-2.0
suduxu_rustA Rust-API for Suduxu-ABI. This crate is used to interact with the Suduxu-ABI and provides a safe and ergonomic interface for…58MIT
suedshut up editor - a minimalist line-based text editor written in Rust55,226Apache-2.0
sufdbCommand line tool for searching documents with suffix arrays.13,632Unlicense/MIT
suff_collectionsFast realization of suffix array and suffix tree12,111MIT
suffeteA standalone PHP type system: representation, comparison, and type checking primitives for static analysis tools.17MIT OR Apache-2.0
sufficeSuffice is a terminal-based tool for controlling a cycling trainer, so you can pound pedals while peddling code.98AGPL-3.0-or-later
suffixSuffix arrays.627,584Unlicense/MIT
suffix-array-rustA simple library that can be used to perform suffix array operations1,722non-standard
suffix-cliCommand-line client for suffix.org46MIT
suffix-rsA small generic trait describing generalized suffix trees in Rust, currently only with a mock implementation. A real…5,146MIT
suffix_arraySuffix array construction and searching algorithms for in-memory binary data.297,331MIT
suffix_cmdCommand line tool for searching with suffix arrays and suffix trees.3,229Unlicense
suffix_treeSuffix trees.19,740Unlicense/MIT
suffix_trieSuffix trie for searching1,507MIT
suffixarrayviewCreates a view of a suffix array8,350Apache-2.0
suffixesCast primitive type and wrap Option/Result using suffix. Like 2.some(), 2.u8().1,018MIT
suffixsort[DEPRECATED — renamed to `invlex`] Library for inverse lexicographic sorting1,088MIT OR Apache-2.0
sufrParallel Construction of Suffix Arrays in Rust21,174BSD-3-Clause
sufsortSuffix array construction for byte strings826MPL-2.0
sugarRust syntax sugar collections.21,915MIT
sugar-cliCommand line tool for creating and managing Metaplex Candy Machines.53,222Apache-2.0
sugar-moneyOfficial Rust SDK for SugarMoney Protocol - Solana trading and DeFi interactions1,031MIT
sugar_pathHost-native lexical path manipulation with borrowed and owned-buffer APIs925,287MIT
sugarcaneSugarcane is the library for Metaplex Sugar products.1,586Apache-2.0
sugarloafSugarloaf is Rio rendering engine, designed to be multiplatform. It is based on WebGPU, Rust library for Desktops and WebAssembly…88,471MIT
sugarrushA terminal UI for viewing Nightscout CGM (blood glucose sensor) data45MIT
sugarsAn useful collection of macros to make tasks easier.501,783non-standard
sugars_async_streamAsync stream utilities and abstractions for the cyrup-sugars ecosystem3,005MIT OR Apache-2.0
sugars_async_taskAsync task utilities and abstractions for the cyrup-sugars ecosystem3,914MIT OR Apache-2.0
sugars_buildersBuilder pattern utilities and abstractions for the cyrup-sugars ecosystem3,224MIT OR Apache-2.0
sugars_collectionsEfficient collection types including ZeroOneOrMany and OneOrMany with array tuple syntax support4,891MIT OR Apache-2.0
sugars_gixGit integration utilities for the cyrup-sugars ecosystem1,797MIT OR Apache-2.0
sugars_llmLLM integration and AI agent builder utilities1,622MIT OR Apache-2.0