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.
superstate-allowlist-interfaceSuperstate Allowlist Interface570MIT
superstreamStreaming payments on Solana7,670MIT
superstructVersioned data types with minimal boilerplate1,155,949Apache-2.0
superswapreserved for upcoming async runtime generics strategy681MIT OR Apache-2.0
supertable-coreCore library for SuperTable, a next-generation open table format121MIT OR Apache-2.0
supertable-datafusionDataFusion integration for SuperTable22MIT OR Apache-2.0
supertexthtml document tools2,7890BSD
supertonicSupertonic - A Rust package for text-to-speech (TTS) functionality. This is an early placeholder release.54MIT OR Apache-2.0
supertonic-coreEngine-agnostic TTS pipeline for Supertonic — text processing, audio encoding, style loading274MIT
supertonic-model-storeModel downloading, caching, and verification for Supertonic TTS213MIT
supertonic-ort-backendONNX Runtime backend for Supertonic TTS — loads and runs 4 ONNX sessions218MIT
supertraitSupertrait enables default associated types and const fn trait items in stable Rust4,683MIT
supertrait-macrosSupport macros for supertrait4,060MIT
supertreesSupervision trees for Tokio-based services inspired by Erlang/OTP4,725LGPL-3.0-only
supertttA game of tic-tac-toe.874MIT
superudict_upA Dict tool(update)1,555MIT
superviseA simple command line supervisor tool.3,000MIT
supervisedTyped supervision for long-lived Tokio services.3,694MIT OR Apache-2.0
supervisely-formatA rust library with structs defined for supervisely objects1,570non-standard
superviseurDefine and run multi-service applications on isolated environments with Nix or Docker18,677MPL-2.0
superviseur-codeA plugin to spawn a vscode tunnel for superviseur project1,564MPL-2.0
superviseur-coreDefine and run multi-service applications on isolated environments with Nix or Docker3,179MPL-2.0
superviseur-driversDefine and run multi-service applications on isolated environments with Nix or Docker3,651MPL-2.0
superviseur-graphqlDefine and run multi-service applications on isolated environments with Nix or Docker4,153MPL-2.0
superviseur-logDefine and run multi-service applications on isolated environments with Nix or Docker4,157MPL-2.0
superviseur-macrosDefine and run multi-service applications on isolated environments with Nix or Docker4,585MPL-2.0
superviseur-providerDefine and run multi-service applications on isolated environments with Nix or Docker4,547MPL-2.0
superviseur-serverDefine and run multi-service applications on isolated environments with Nix or Docker2,102MPL-2.0
superviseur-typesDefine and run multi-service applications on isolated environments with Nix or Docker5,457MPL-2.0
superviseur-utilDefine and run multi-service applications on isolated environments with Nix or Docker4,597MPL-2.0
superviseur-webuiDefine and run multi-service applications on isolated environments with Nix or Docker2,963MPL-2.0
supervisorSpawns a thread and which will restart the work fn when it produces a Result2,179MIT
supervisor-rsManage (Start/Stop/Restart/etc.) processings on server.22,022MIT
supervox-agentSuperVox 3-mode agent: live translate, post-call analysis, agent chat113MIT
supervox-tuiSuperVox TUI — live call assistant, post-call analysis, agent chat54MIT
superwhichCross-platform smart which alternative3,736GPL-3.0-or-later
supgitSupGit, the GIT CLI simplified.136AGPL-3.0-only
supi-cliA simple process supervisor for spawning, restarting and stopping arbitrary commands559MIT OR Apache-2.0
suplapiAccess Nelonen Media Supla API from Rust5,352MIT
suplexRequest-Response wrapper over Crossbeam channels773MIT OR Apache-2.0
supmcu-rsA Rust library for communicating with Pumpkin SupMCU modules over I2C using the SCPI command protocol.8,107MIT
suppSupp, here is your context120MIT
suppaCLI: Extract TODO-like annotations into Markdown73MIT
suppaftpA super FTP/FTPS client library for Rust3,253,918MIT OR Apache-2.0
suppaftp-cliFTP command line client, based on suppaftp14,031MIT OR Apache-2.0
supplementThe awesome supplement for your awesome CLI app239MIT OR Apache-2.0
supplement-proc-macroProc macro for supplement. Not indetended to be used directly.229MIT OR Apache-2.0
supplicantBindings for wpa_supplicant6,096MIT/Apache-2.0
supplicant-rsPure Rust WPA supplicant: WPA2/WPA3, EAP, 802.1X. Memory-safe replacement for wpa_supplicant.23Apache-2.0
supplierProvider API polyfill. WIP3,875MIT
supplier_kitA modular toolkit for managing and grouping dynamic data suppliers.989Apache-2.0
supplyProvider API for arbitrary number of lifetimes.4,035MIT OR Apache-2.0
supply-chain-attack-testThe goal of this package is solely to test possible supply chain attack1,184MIT
supply-chain-trust-crate-000001Parser for Rust source code754MIT OR Apache-2.0
supply-chain-trust-crate-000002A macro to generate structures which behave like bitflags.710MIT OR Apache-2.0
supply-chain-trust-crate-000003A Rust port of Google's SwissTable hash map708MIT OR Apache-2.0
supply-chain-trust-crate-000004A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries from the procedural macro use…725MIT OR Apache-2.0
supply-chain-trust-crate-000005Quasi-quoting macro quote!(...)680MIT OR Apache-2.0
supply-chain-trust-crate-000006Raw FFI bindings to platform libraries like libc.770MIT OR Apache-2.0
supply-chain-trust-crate-000007encodes and decodes base64 as bytes or utf8728MIT OR Apache-2.0
supply-chain-trust-crate-000008A regular expression parser.769MIT OR Apache-2.0
supply-chain-trust-crate-000010A macro to ergonomically define an item depending on a large number of #[cfg]
parameters. Structured like an if-else chain, the…738MIT OR Apache-2.0
supply-chain-trust-crate-000011Random number generators and other randomness functionality.705MIT OR Apache-2.0
supply-chain-trust-crate-000012Random number generators and other randomness functionality.693MIT OR Apache-2.0
supply-chain-trust-crate-000013A hash table with consistent order and fast iteration.705Apache-2.0 OR MIT
supply-chain-trust-crate-000015Automatic cfg for Rust compiler features716Apache-2.0 OR MIT
supply-chain-trust-crate-000016Fast integer primitive to string conversion691MIT OR Apache-2.0
supply-chain-trust-crate-000017A small cross-platform library for retrieving random data from system source698MIT OR Apache-2.0
supply-chain-trust-crate-000018Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for
1, 2 or 3 byte search and single substring search.742Unlicense OR MIT
supply-chain-trust-crate-000019A JSON serialization file format753MIT OR Apache-2.0
supply-chain-trust-crate-000020Extra iterator adaptors, iterator methods, free functions, and macros.734MIT OR Apache-2.0
supply-chain-trust-crate-000021A lightweight logging facade for Rust747MIT OR Apache-2.0
supply-chain-trust-crate-000022Single assignment cells and lazy values.748MIT OR Apache-2.0
supply-chain-trust-crate-000023An implementation of regular expressions for Rust. This implementation uses
finite automata and guarantees linear time matching…725MIT OR Apache-2.0
supply-chain-trust-crate-000025Random number generators and other randomness functionality.734MIT OR Apache-2.0
supply-chain-trust-crate-000034A macro for declaring lazily evaluated statics in Rust.702MIT OR Apache-2.0
supply-chain-trust-example-crate-000001Parser for Rust source code3,613MIT OR Apache-2.0
supply-chain-trust-example-crate-000002A macro to generate structures which behave like bitflags.3,296MIT OR Apache-2.0
supply-chain-trust-example-crate-000003A Rust port of Google's SwissTable hash map2,517MIT OR Apache-2.0
supply-chain-trust-example-crate-000004A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries from the procedural macro use…2,536MIT OR Apache-2.0
supply-chain-trust-example-crate-000005Quasi-quoting macro quote!(...)1,875MIT OR Apache-2.0
supply-chain-trust-example-crate-000006Raw FFI bindings to platform libraries like libc.2,568MIT OR Apache-2.0
supply-chain-trust-example-crate-000007encodes and decodes base64 as bytes or utf81,607MIT OR Apache-2.0
supply-chain-trust-example-crate-000008A macro to ergonomically define an item depending on a large number of #[cfg]
parameters. Structured like an if-else chain, the…1,880MIT OR Apache-2.0
supply-chain-trust-example-crate-000009A generic serialization/deserialization framework682MIT OR Apache-2.0
supply-chain-trust-example-crate-000010A macro to ergonomically define an item depending on a large number of #[cfg]
parameters. Structured like an if-else chain, the…681MIT OR Apache-2.0
supply-chain-trust-example-crate-000011Random number generators and other randomness functionality.715MIT OR Apache-2.0
supply-chain-trust-example-crate-000012Random number generators and other randomness functionality.686MIT OR Apache-2.0
supply-chain-trust-example-crate-000013A hash table with consistent order and fast iteration.685Apache-2.0 OR MIT
supply-chain-trust-example-crate-000014Macros 1.1 implementation of #[derive(Serialize, Deserialize)]2,450MIT OR Apache-2.0
supply-chain-trust-example-crate-000015Automatic cfg for Rust compiler features2,479Apache-2.0 OR MIT
supply-chain-trust-example-crate-000016Fast integer primitive to string conversion2,470MIT OR Apache-2.0
supply-chain-trust-example-crate-000017A small cross-platform library for retrieving random data from system source3,503MIT OR Apache-2.0
supply-chain-trust-example-crate-000018Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for
1, 2 or 3 byte search and single substring search.2,562Unlicense OR MIT
supply-chain-trust-example-crate-000019A JSON serialization file format2,549Apache-2.0 OR MIT
supply-chain-trust-example-crate-000020Extra iterator adaptors, iterator methods, free functions, and macros.2,577MIT OR Apache-2.0
supply-chain-trust-example-crate-000021A lightweight logging facade for Rust1,574MIT OR Apache-2.0
supply-chain-trust-example-crate-000022Single assignment cells and lazy values.2,476MIT OR Apache-2.0
supply-chain-trust-example-crate-000023An implementation of regular expressions for Rust. This implementation uses
finite automata and guarantees linear time matching…1,588MIT OR Apache-2.0
supply-chain-trust-example-crate-000024Fast multiple substring searching.695Unlicense OR MIT
supply-chain-trust-example-crate-000025Random number generators and other randomness functionality.2,493MIT OR Apache-2.0
supply-chain-trust-example-crate-000026Fast floating point to string conversion1,559Apache-2.0 OR BSL-1.0
supply-chain-trust-example-crate-000027A build-time dependency for Cargo build scripts to assist in invoking the native
C compiler to compile native C code into a…1,599MIT OR Apache-2.0
supply-chain-trust-example-crate-000028More compact and efficient implementations of the standard synchronization primitives.2,531MIT OR Apache-2.0
supply-chain-trust-example-crate-000029heck is a case conversion library.1,592MIT OR Apache-2.0
supply-chain-trust-example-crate-000030Determine whether characters have the XID_Start or XID_Continue properties according to Unicode Standard Annex #31708(MIT OR Apache-2.0) AND Unicode-3.0
supply-chain-trust-example-crate-000031A simple to use, efficient, and full-featured Command Line Argument Parser1,616MIT OR Apache-2.0
supply-chain-trust-example-crate-000032'Small vector' optimization: store up to a small number of items on the stack1,569MIT OR Apache-2.0
supply-chain-trust-example-crate-000033Numeric traits for generic mathematics1,011MIT OR Apache-2.0
supply-chain-trust-example-crate-000034A macro for declaring lazily evaluated statics in Rust.1,615MIT OR Apache-2.0
supply-chain-trust-example-crate-000035More compact and efficient implementations of the standard synchronization primitives.722MIT OR Apache-2.0
supply-chain-trust-example-crate-000036Implementations of string similarity metrics. Includes Hamming, Levenshtein,
OSA, Damerau-Levenshtein, Jaro, Jaro-Winkler, and…1,603(MIT OR Apache-2.0) AND Unicode-DFS-2016
supply-chain-trust-example-crate-000037derive(Error)1,591MIT OR Apache-2.0
supply-chain-trust-example-crate-000038derive(Error)1,660MIT OR Apache-2.0
supply-chain-trust-example-crate-000039Numeric traits for generic mathematics1,583MIT OR Apache-2.0
supply-chain-trust-example-crate-000040Date and time library. Fully interoperable with the standard library. Mostly compatible with #![no_std].696MIT OR Apache-2.0
supply-chain-trust-example-crate-000041Parser and evaluator for Cargo's flavor of Semantic Versioning1,621MIT OR Apache-2.0
supply-chain-trust-example-crate-000042Tiny crate to check the version of the installed/running rustc.1,554MIT OR Apache-2.0
supply-chain-trust-example-crate-000043The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.1,598MIT OR Apache-2.0
supply-chain-trust-example-crate-000044IDNA (Internationalizing Domain Names in Applications) and Punycode.1,566MIT OR Apache-2.0
supply-chain-trust-example-crate-000045More compact and efficient implementations of the standard synchronization primitives.681MIT OR Apache-2.0
supply-chain-trust-example-crate-000046A RAII scope guard that will run a given closure when it goes out of scope,
even if the code between panics (assuming unwinding…1,644MIT OR Apache-2.0
supply-chain-trust-example-crate-000047Traits for cryptographic hash functions and message authentication codes1,270MIT OR Apache-2.0
supply-chain-trust-example-crate-000048Types and traits for working with bytes1,598MIT
supply-chain-trust-example-crate-000049Utilities for handling networking sockets with a maximal amount of configuration
possible intended.1,831MIT OR Apache-2.0
supply-chain-trust-example-crate-000050Buffer type for block processing of data1,590MIT OR Apache-2.0
supply-chain-trust-example-crate-000051Utilities for concurrent programming1,594MIT OR Apache-2.0
supply-chain-trust-example-crate-000052A lightweight version of pin-project written with declarative macros.2,171Apache-2.0 OR MIT
supply-chain-trust-example-crate-000053offset_of functionality for Rust structs.1,641MIT
supply-chain-trust-example-crate-000054Flexible concrete Error type built on std::error::Error1,625MIT OR Apache-2.0
supply-chain-trust-example-crate-000055Lightweight non-blocking I/O.1,671MIT OR Apache-2.0
supply-chain-trust-example-crate-000056DEFLATE compression and decompression library rewritten in Rust based on miniz741MIT OR Zlib OR Apache-2.0
supply-chain-trust-example-crate-000057Cross-platform cryptography-oriented low-level SIMD library.727MIT OR Apache-2.0
supply-chain-trust-example-crate-000058Percent encoding and decoding1,614MIT OR Apache-2.0
supply-chain-trust-example-crate-000059Library for reading/writing numbers in big-endian and little-endian.749Unlicense OR MIT
supply-chain-trust-example-crate-000060An event-driven, non-blocking I/O platform for writing asynchronous I/O
backed applications.803MIT
supply-chain-trust-example-crate-000061URL library for Rust, based on the WHATWG URL Standard1,622MIT OR Apache-2.0
supply-chain-trust-example-crate-000062Generic types implementing functionality of arrays1,597MIT OR Apache-2.0
supply-chain-trust-example-crate-000063Safe Rust bindings to POSIX/Unix/Linux/Winsock-like syscalls787Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT
supply-chain-trust-example-crate-000064A native Rust encoder and decoder of TOML-formatted files and streams. Provides
implementations of the standard…1,652MIT OR Apache-2.0
supply-chain-trust-example-crate-000065A simple and fast random number generator709Apache-2.0 OR MIT
supply-chain-trust-example-crate-000066A set of types for representing HTTP requests and responses.1,674MIT OR Apache-2.0
supply-chain-trust-example-crate-000067Pre-allocated storage for a uniform data type733MIT
supply-chain-trust-example-crate-000068A protective and efficient HTTP library for all.1,648MIT
supply-chain-trust-example-crate-000069A non-cryptographic hash function using AES-NI for high performance1,654MIT OR Apache-2.0
supply-chain-trust-example-crate-000070Get the number of CPUs on a machine.1,703MIT OR Apache-2.0
supply-chain-trust-example-crate-000071The core traits and types in for the `futures` library.1,669MIT OR Apache-2.0
supply-chain-trust-example-crate-000072Rust for Windows858MIT OR Apache-2.0
supply-chain-trust-example-crate-000073Common utilities and extension traits for the futures-rs library.751MIT OR Apache-2.0
supply-chain-trust-example-crate-000074Tools for working with tasks.1,687MIT OR Apache-2.0
supply-chain-trust-example-crate-000075Pure Rust implementation of the SHA-2 hash function family
including SHA-224, SHA-256, SHA-384, and SHA-512.715MIT OR Apache-2.0
supply-chain-trust-example-crate-000076Date and time library for Rust1,679MIT OR Apache-2.0
supply-chain-trust-example-crate-000077This crate provides functions for normalization of
Unicode strings, including Canonical and Compatible
Decomposition and…1,660MIT OR Apache-2.0
supply-chain-trust-example-crate-000078The asynchronous `Sink` trait for the futures-rs library.1,631Apache-2.0 OR MIT
supply-chain-trust-example-crate-000079Import lib for Windows1,715Apache-2.0 OR MIT
supply-chain-trust-example-crate-000080Fowler–Noll–Vo hash function1,662Apache-2.0 OR MIT
supply-chain-trust-example-crate-000081Channels for asynchronous communication using futures-rs.1,634MIT
supply-chain-trust-example-crate-000082Generated bindings for Linux's userspace API802Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT
supply-chain-trust-example-crate-000083Typenum is a Rust library for type-level numbers evaluated at
compile time. It currently supports bits, unsigned integers,…1,654MIT OR Apache-2.0
supply-chain-trust-example-crate-000084Spin-based synchronization primitives719MIT
supply-chain-trust-example-crate-000085Application-level tracing for Rust.1,604Zlib OR Apache-2.0 OR MIT
supply-chain-trust-example-crate-000086Core primitives for application-level tracing.747MIT
supply-chain-trust-example-crate-000087Integer traits and functions726MIT OR Apache-2.0
supply-chain-trust-example-crate-000088An implementation of futures and streams featuring zero allocations,
composability, and iterator-like interfaces.703MIT OR Apache-2.0
supply-chain-trust-example-crate-000089Determine whether characters have the XID_Start
or XID_Continue properties according to
Unicode Standard Annex #31.1,673MIT
supply-chain-trust-example-crate-000090`tinyvec` provides 100% safe vec-like data structures.1,632Zlib OR Apache-2.0 OR MIT
supply-chain-trust-example-crate-000091Additional utilities for working with Tokio.721MIT
supply-chain-trust-example-crate-000092Rustls is a modern TLS library written in Rust.1,727Apache-2.0 OR ISC OR MIT
supply-chain-trust-example-crate-000093A library to run the pkg-config system tool at build time in order to be used in
Cargo build scripts.1,669MIT OR Apache-2.0
supply-chain-trust-example-crate-000094A library for managing temporary files and directories.1,641MIT OR Apache-2.0
supply-chain-trust-example-crate-000095The `AsyncRead`, `AsyncWrite`, `AsyncSeek`, and `AsyncBufRead` traits for the futures-rs library.1,842Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT
supply-chain-trust-example-crate-000096A library for querying the version of a installed rustc compiler691MIT OR Apache-2.0
supply-chain-trust-example-crate-000097Implementation of the Unicode Bidirectional Algorithm1,657Apache-2.0 OR MIT
supply-chain-trust-example-crate-000098Utilities for pinning1,639MIT OR Apache-2.0
supply-chain-trust-example-crate-000099Import lib for Windows3,055MIT OR Apache-2.0
supply-chain-trust-example-crate-000100A library to generate and parse UUIDs.726Apache-2.0 OR MIT
supply-demandSupply-Demand - A functional dependency injection library852MIT
supply-scanScan project dependencies for malicious, typosquatted, and AI-hallucinated packages39MIT
supply_poc_againThis is useless code to test supply chain attacks with cargo and crates.io1,542MIT
supportA collection of helper methods for Rust projects.1,636non-standard
support-bundle-viewerTools for inspecting an Oxide support bundle134,818MPL-2.0
support-kitSome cli, config, service, and tracing boilerplate for networked applications.12,620MIT
support-step-recorder-coreMoteur de capture d'actions utilisateur (clics, fenêtres, texte) — coeur de Support Step Recorder.73MIT
support-step-recorder-guiInterface egui/glow de Support Step Recorder : enregistrer, revoir et exporter une session.43MIT
supportfileSupportfile library core for support file analysis137MIT
supportfile_mcpMCP server exposing the rca_cli support-file analyzer as Model Context Protocol tools50MIT
supportfile_pii_anonymizerOffline, deterministic PII/environment anonymizer for Azure & Linux (sos/supportconfig) diagnostics. Presidio-inspired…16MIT
supports-colorDetects whether a terminal supports color, and gives details about that support.55,081,378Apache-2.0
supports-hyperlinksDetects whether a terminal supports rendering hyperlinks.34,724,584Apache-2.0
supports-unicodeDetects whether a terminal supports unicode.33,630,138Apache-2.0
supports-unicode--used-for-pirsDetects whether a terminal supports unicode.2,426Apache-2.0
suppositionsProperty testing with automagic shrinking.19,985Apache-2.0
supraAsync web framework inspired by Koa1,672MIT OR Apache-2.0
supra_indexer_sdkA Rust SDK for interacting with the Supra blockchain indexer.64MIT OR Apache-2.0
supramark-diagramFacade assembling the four engines: default_registry() yields a unified DiagramRegistry for CLI / FFI / downstream consumers.264Apache-2.0
supramark-diagram-coreUnified DiagramEngine trait and public EngineAst envelope that converge supramark's four diagram engines.300Apache-2.0
supramark-font-metricsFont metrics abstraction for the *-little family: a Metrics trait with ttf-parser and host-callback implementations, backed by an…281Apache-2.0 OR MIT
supramark-markdownSupramark-owned Rust Markdown parser and AST v2 output schema.166Apache-2.0 AND MIT
supraseal-c2CUDA Groth16 proof generator for Filecoin23,601Apache-2.0
supremeA CLI tool that helps you get up an running fast1,633MIT