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.
sbpf-coverageMaps SBPF execution traces to source code for test coverage and trace disassembly of Solana programs380AGPL-3.0
sbpf-debuggerLightweight debugger for SBPF (Solana BPF) bytecode186MIT
sbpf-disassemblerDisassembler for SBPF (Solana BPF) bytecode1,421MIT
sbpf-irIntermediate representation and control-flow graph for SBPF programs76MIT
sbpf-linkerUpstream BPF linker for SBPF V0/V3 programs1,806MIT
sbpf-runtimeLightweight runtime for sBPF programs142MIT
sbpf-syscall-mapCompile-time and runtime syscall mapping for SBPF2,390MIT
sbpf-vmLightweight VM for SBPF (Solana BPF) bytecode345MIT
sbplugCLI tool to control SwitchBot Plug.4,958MIT OR Apache-2.0
sbrRecommender models.11,971MIT
sbrainA library for evaluating Semantic Brain, a minimalistic multiparadigm programming language optimized for genetic programming…14,935GPL-2.0
sbrain-cliCLI for Shadolog Brain — LEANN low-storage vector index in Rust12MIT
sbrain-coreCore types, passage store, and index orchestration for Shadolog Brain (LEANN in Rust)16MIT
sbrain-diskannPure-Rust DiskANN/Vamana-style CSR graph index for Shadolog Brain (P3.1)18MIT
sbrain-embedEmbedding backends for Shadolog Brain (hash, OpenAI-compatible HTTP, optional ONNX)19MIT
sbrain-hnswHNSW graph index with optional embedding recompute for Shadolog Brain18MIT
sbrain-mcpTwo-way streaming MCP for Shadolog Brain — concurrent stdio duplex + Streamable HTTP SSE10MIT
sbrain-ocrPure-Rust client for an external llama.cpp GGUF OCR server (Baidu Unlimited-OCR / DeepSeek-OCR class models)10MIT
sbrain-visionVisionRetriever (Flash/Core): 320-d projection maps + Qwen3.5 tokenizer (Rust)18MIT
sbralFast immutable lists1,759MIT
sbrd-genA crate for Schema-Based Random Data GENerator1,663MIT
sbrskbrk and sbrk in Rust1,919GPL-3.0
sbsThe Super Blockchain Scaffolder, a command line utility for scaffolding blockchain-related projects!5,520MIT
sbs-apiSimple binary serialization api5,821MIT
sbs-api-internalInternals for sbs-api crate2,879MIT
sbs-api-macroMacros for sbs-api crate7,645MIT
sbseskylar's simple errors3,557GPL-3.0
sbt_ratingCreated with Anchor1,089MIT
sbtc-cliPackage that allows creating and broadcasting sBTC transactions from the command line1,473MIT
sbtc-corePackage that exposes primitives for working with the Stacks sBTC token2,030MIT
sbusA simple parser for the S.Bus RC protocol5,882Apache-2.0
sbus-parserFutaba SBUS parser using loop and byte swap4,421MIT
sbus-rsA no_std compatible SBUS protocol parser for embedded systems3,270MIT
sbv2-nearA Rust library to interact with Switchboard V2 accounts on Near.2,661MIT
sbv2_coreStyle-Bert-VITSの推論ライブラリ7,815MIT
sbvc_libBackend for Single Binary file Version Control system11,261GPL-3.0
sbwtIndexing sets of DNA k-mers with the spectral Burrow-Wheeler transform.16,113MIT
sbx_cloudSBXCloud SDK for Rust8,617MIT
sbxorGiven a string, xor all 256 possible u8. Can determine English4,849MIT
sbxwA thin CLI wrapper around Docker Sandboxes (sbx) and git worktrees33MIT
sbyteConsole-based byte editor43,168GPL-3.0
sbz-switchUtility for changing Sound Blaster parameters on Windows14,371MIT/Apache-2.0
scRaw system calls366,447MIT OR Apache-2.0
sc-allocatorCollection of allocator implementations.2,902,144Apache-2.0
sc-apiA library to interact with the SC API2,615non-standard
sc-authority-discoverySubstrate authority discovery.423,647GPL-3.0-or-later WITH Classpath-exception-2.0
sc-basic-authorshipBasic implementation of block-authoring logic.728,861GPL-3.0-or-later WITH Classpath-exception-2.0
sc-block-builderSubstrate block builder957,743GPL-3.0-or-later WITH Classpath-exception-2.0
sc-capModern, high-performance screen capture library for Rust. Cross-platform.2,491MIT
sc-chain-specSubstrate chain configurations.1,602,878GPL-3.0-or-later WITH Classpath-exception-2.0
sc-chain-spec-deriveMacros to derive chain spec extension traits implementation. (polkadot v1.13.0)1,484,751GPL-3.0-or-later WITH Classpath-exception-2.0
sc-cliSubstrate CLI interface.833,601GPL-3.0-or-later WITH Classpath-exception-2.0
sc-clientSubstrate Client and associated logic.24,057GPL-3.0
sc-client-apiSubstrate client interfaces.1,635,530GPL-3.0-or-later WITH Classpath-exception-2.0
sc-client-dbClient backend that uses RocksDB database as storage.872,337GPL-3.0-or-later WITH Classpath-exception-2.0
sc-composeStandalone CLI for template composition.144MIT
sc-composerStandalone template composition library.342MIT
sc-consensusCollection of common consensus specific implementations for Substrate (client)951,985GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-auraAura consensus algorithm for substrate645,194GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-babeBABE consensus algorithm for substrate449,707GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-babe-rpcRPC extensions for the BABE consensus algorithm282,029GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-beefyBEEFY Client gadget for substrate186,226GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-beefy-rpcRPC for the BEEFY Client gadget for substrate184,458GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-epochsGeneric epochs-based utilities for consensus451,876GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-grandpaIntegration of the GRANDPA finality gadget into substrate.452,198GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-grandpa-rpcRPC extensions for the GRANDPA finality gadget220,546GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-manual-sealManual sealing engine for Substrate180,108GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-powPoW consensus algorithm for substrate122,797GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-randomness-beaconRandomness-Beacon consensus client137Apache-2.0
sc-consensus-slotsGeneric slots-based utilities for consensus739,375GPL-3.0-or-later WITH Classpath-exception-2.0
sc-consensus-unclesGeneric uncle inclusion utilities for consensus194,186GPL-3.0-or-later WITH Classpath-exception-2.0
sc-executorA crate that provides means of executing/dispatching calls into the runtime.3,312,770GPL-3.0-or-later WITH Classpath-exception-2.0
sc-executor-commonA set of common definitions that are needed for defining execution engines.3,290,676GPL-3.0-or-later WITH Classpath-exception-2.0
sc-executor-polkavmPolkaVM executor for Substrate2,766,046GPL-3.0-or-later WITH Classpath-exception-2.0
sc-executor-wasmiThis crate provides an implementation of `WasmRuntime` that is baked by wasmi.422,981GPL-3.0-or-later WITH Classpath-exception-2.0
sc-executor-wasmtimeDefines a `WasmRuntime` that uses the Wasmtime JIT to execute.3,221,082GPL-3.0-or-later WITH Classpath-exception-2.0
sc-finality-grandpaIntegration of the GRANDPA finality gadget into substrate.376,098GPL-3.0-or-later WITH Classpath-exception-2.0
sc-finality-grandpa-rpcRPC extensions for the GRANDPA finality gadget71,231GPL-3.0-or-later WITH Classpath-exception-2.0
sc-finality-grandpa-warp-syncA request-response protocol for handling grandpa warp sync requests6,795GPL-3.0-or-later WITH Classpath-exception-2.0
sc-hopHand-Off Protocol (HOP) ephemeral data pool service995GPL-3.0-or-later WITH Classpath-exception-2.0
sc-informantSubstrate informant.842,836GPL-3.0-or-later WITH Classpath-exception-2.0
sc-keystoreKeystore (and session key management) for ed25519 based chains like Polkadot.868,658GPL-3.0-or-later WITH Classpath-exception-2.0
sc-lightcomponents for a light client334,146GPL-3.0-or-later WITH Classpath-exception-2.0
sc-lintTop-level CLI composition root for the sc-lint tool family.1,039MIT
sc-lint-attributesSource-level declarative attributes for sc-lint analyzers.346MIT
sc-lint-boundaryAST-sensitive Rust boundary analyzer.1,089MIT
sc-lint-directivesShared directive parsing for sc-lint proc-macro and analyzer crates.1,429MIT
sc-lint-portabilityAST-sensitive Rust portability analyzer.83MIT
sc-lint-runtimeAST-sensitive Rust runtime analyzer.68MIT
sc-lint-schemaShared machine schema types for sc-lint analyzer outputs.1,188MIT
sc-mesh-coreA simple library with basic types to handle 3d mesh data235Apache-2.0
sc-mesh-formatsA library to load, inspect & write 3d mesh data.166Apache-2.0
sc-mesh-spatialSpatial-query acceleration over sc-mesh-core types31Apache-2.0
sc-mixnetSubstrate mixnet service533,068GPL-3.0-or-later WITH Classpath-exception-2.0
sc-networkSubstrate network protocol1,633,469GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-bitswapSubstrate bitswap protocol (polkadot v1.10.0)138,395GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-commonSubstrate network common1,249,218GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-gossipGossiping for the Substrate network protocol830,056GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-lightSubstrate light network protocol478,206GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-statementSubstrate statement protocol93,547GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-syncSubstrate sync network protocol582,087GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-testsc-network-test is a lib1,190MIT
sc-network-transactionsSubstrate transaction protocol478,055GPL-3.0-or-later WITH Classpath-exception-2.0
sc-network-typesSubstrate network types1,098,790GPL-3.0-or-later WITH Classpath-exception-2.0
sc-observabilityStandalone facade crate for observability operations.15,002MIT
sc-observability-otlpStandalone OTLP export adapter for sc-observability.87MIT
sc-observability-typesStandalone shared types for observability records and config.14,774MIT
sc-observeObservation routing runtime layered on sc-observability.132MIT
sc-offchainSubstrate offchain workers744,625GPL-3.0-or-later WITH Classpath-exception-2.0
sc-peersetConnectivity manager based on reputation392,807GPL-3.0-or-later WITH Classpath-exception-2.0
sc-proposer-metricsBasic metrics for block production.665,256GPL-3.0-or-later WITH Classpath-exception-2.0
sc-rpcSubstrate Client RPC860,022GPL-3.0-or-later WITH Classpath-exception-2.0
sc-rpc-apiSubstrate RPC interfaces.966,029GPL-3.0-or-later WITH Classpath-exception-2.0
sc-rpc-serverSubstrate RPC servers.834,011GPL-3.0-or-later WITH Classpath-exception-2.0
sc-rpc-spec-v2Substrate RPC interface v2.481,694GPL-3.0-or-later WITH Classpath-exception-2.0
sc-runtime-testsc-runtime-test is a lib1,242MIT
sc-runtime-utilitiesSubstrate client utilities for frame runtime functions calls.133,504GPL-3.0-or-later WITH Classpath-exception-2.0
sc-scrapingUtility functions and structures to scrape data from the Roberts Space Industries website1,573MIT
sc-serviceSubstrate service. Starts a thread that spins up the network, client, and extrinsic pool. Manages communication between them.844,742GPL-3.0-or-later WITH Classpath-exception-2.0
sc-service-testsc-service-test is a lib1,241MIT
sc-simnodeSimnode is an e2e integration testing environment for substrate-based blockchains16,785Apache-2.0
sc-state-dbState database maintenance. Handles canonicalization and pruning in the database.856,597GPL-3.0-or-later WITH Classpath-exception-2.0
sc-statement-storeSubstrate statement store.92,921GPL-3.0-or-later WITH Classpath-exception-2.0
sc-storage-chain-syncReserved by Parity while we work on an official release13non-standard
sc-storage-monitorStorage monitor service for substrate205,254GPL-3.0-or-later WITH Classpath-exception-2.0
sc-sync-state-rpcA RPC handler to create sync states for light clients.239,594Apache-2.0
sc-sysinfoA crate that provides basic hardware and software telemetry information.476,379GPL-3.0-or-later WITH Classpath-exception-2.0
sc-telemetryTelemetry utils1,574,194GPL-3.0-or-later WITH Classpath-exception-2.0
sc-tracingInstrumentation implementation for substrate.858,599GPL-3.0-or-later WITH Classpath-exception-2.0
sc-tracing-proc-macroHelper macros for Substrate's client CLI576,203Apache-2.0
sc-transaction-graphGeneric Transaction Pool372,670GPL-3.0-or-later WITH Classpath-exception-2.0
sc-transaction-poolSubstrate transaction pool implementation.845,669GPL-3.0-or-later WITH Classpath-exception-2.0
sc-transaction-pool-apiTransaction pool client facing API.1,270,491GPL-3.0-or-later WITH Classpath-exception-2.0
sc-utilsI/O for Substrate runtimes1,202,508Apache-2.0
sc-virtualizationHost-side PolkaVM backend driving the sp-virtualization host functions1,251GPL-3.0-or-later WITH Classpath-exception-2.0
sc16is752A no_std crate for interfacing with the SC16IS752 I2C/SPI port expander. This lib provides access to both UARTs and 8x GPIO lines2,864MIT
sc2Rust implementation of the StarCraft II Client API26,741MIT
sc2-macroProcedural macros for rust-sc2 API4,391non-standard
sc2-proc-macroProcedural macros for rust-sc2 API5,145non-standard
sc2-protoProtocol buffers for the StarCraft II Client API26,879MIT
sc2-proxyStarCraft II bot API management layer1,840MIT
sc2-techtreeStarCraft II tech tree1,857MIT
sc2reader-rsSC2 Replays parser215MIT OR Apache-2.0
sc7u22Better SC7A20 / SC7I22 / SC7U22 accelerometer gyroscope IMU driver, for rust embedded-hal, optional async.18MIT
sc_compressionA Rust package for decompressing Supercell game assets.1,535non-standard
sc_decodeSpecial character decoding3,705MIT OR Apache-2.0
sc_drbgSubset Counter-Based Deterministic Random Bit Generator91MIT
sc_extractA command-line tool to extract graphics and csv files from Supercell games.11,423MIT
sc_neurocore_engineHigh-performance SIMD backend for SC-NeuroCore stochastic neuromorphic computing498AGPL-3.0-or-later
scaSmells Code Analyzer rewritten in Rust1,580MIT
scabbardScabbard is a Splinter service that runs the Sawtooth Sabre smart contract engine using Hyperledger Transact for state…63,649Apache-2.0
scacheA cache for data associated with ranges from a sequence.1,929GPL-3.0-or-later
scadA crate for generating OpenSCAD models using rust27,140LGPL-2.0-or-later
scad_treeGenerate OpenSCAD code from Rust.14,660MIT
scad_tree_mathMath library for scad_tree6,302MIT
scadmanCode generator for OpenSCAD.1,468MIT
scadman_helperHelper library for scadman.1,841MIT
scafCreate text from templates.1,511MIT
scafalrascafalra(sca) is a command-line interface tool for managing templates10,076MIT
scaffPainless scaffolding of the boring part of setting up projects that people other than you can use.5,694MIT
scaffoldQuickly add dependencies to your Rust project.10,571MIT
scaffold-genA modern scaffolding generator for creating project templates1,848MIT
scaffold-godot-rustA simple scaffold for Godot Rust projects8,581MIT
scaffold-runA CLI tool for scaffolding Rust projects765MIT
scaffoldedA powerful CLI tool for scaffolding production-ready Rust projects698MIT
scaffolderScaffolder CLI is an interactive command line tool for rapid prototyping and automatic code generation used for creating…39MIT
scaffolding-coreA software development kit that provides the scaffolding for building applications and services using OOP.15,307Apache-2.0
scaffolding-macrosA software development kit that provides the scaffolding macros for building applications and services.14,656Apache-2.0
scaffyA convenient template scaffolding TUI81MIT
scaficionadoA scaffolding tool to create repeatable project structure using files and scripts from local or remote repositories.5,806MIT
scahCSS selectors meet streaming XML/HTML parsing. Filter StAX events and build targeted DOMs without loading the entire document.273MIT
scah-macrosProcedural macros for the scah selector and streaming parser crates.200MIT
scah-query-irInternal query IR used by the scah selector and macro crates.271MIT
scah-readerStreaming XML and HTML reader primitives used by scah.331MIT
scailistA fast and easy interval overlap library9,114MIT
scakitA modern project scaffolding tool3,330MIT
scal-coreCore api code used for declearing animations on the user side, and later sending it serialized over ipc to the runtime.52GPL-3.0
scal-ipcContains code needed for ipc communication beetween the user animation and the SCAL runtime.37GPL-3.0
scal-ipc-macrosIpc macro code allowing easy communication with the SCAL runtime.45MIT
scal-runtimeRuntime for SCAL- easy animation system focused on code.35GPL-3.0
scal3Verify that systems operate under your sole control (prototype, patent pending)4,447CC-BY-NC-4.0
scalaA experimental Scala interpreter written in Rust: lexer, parser, type inference, and tree-walking evaluation with a REPL.36Apache-2.0
scala-chromaticaA framework-agnostic color gradient library with smooth interpolation161MIT OR Apache-2.0
scala-dep-scanFast, zero-dependency Rust CLI for scanning Scala/Play/SBT projects for vulnerable, outdated, and unused dependencies29Apache-2.0
scala-native-demangleDemangle Scala Native identifiers223,750Apache-2.0
scala-rsScala as a fusevm frontend: a lexer/parser and compiler to fusevm::Chunk — Scala source lowered to bytecode and run on the shared…8MIT
scalable-rbeA prototype of a scalable Registration-Based Encryption scheme based on standard lattice assumptions40MPL-2.0
scalable_bloom_filterScalable Bloom Filter10,705MIT
scalable_cuckoo_filterA variant of Cuckoo Filter whose size automatically scales as necessary75,042MIT
scalarA trait for scalars (integers and floats)16,404MIT
scalar-axumaxum adapter for scalar, a data oriented, [I'M NOT GOING TO SAY IT], ergonomic cms system468MIT OR Apache-2.0
scalar-cmsa data oriented, [I'M NOT GOING TO SAY IT], ergonomic cms system1,097MIT OR Apache-2.0
scalar-derivederive macros for scalar, a data oriented, [I'M NOT GOING TO SAY IT], ergonomic cms system1,571MIT OR Apache-2.0
scalar-docAn HTTP API documentation generator for Rust that doesn't care about which HTTP framework you use.11,451Apache-2.0
scalar-exprvalidation expressions for scalar cms69MIT OR Apache-2.0
scalar-expr-macromacro for scalar cms validation expressions78MIT OR Apache-2.0
scalar-fieldTraits and structs which define arithmetic operators on scalar fields6,346MIT OR Apache-2.0
scalar-imgs3 based image storage for scalar, a data oriented, [I'M NOT GOING TO SAY IT], ergonomic cms system716MIT OR Apache-2.0
scalar-productA naive scalar product - from lpalmieri blog post1,224MIT
scalar-surrealsurrealdb driver for scalar, a data oriented, [I'M NOT GOING TO SAY IT], ergonomic cms system448MIT OR Apache-2.0