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.

embers-protocolFlatBuffers protocol, framing, and client transport primitives for Embers.193GPL-3.0-only embers-serverHeadless session, layout, persistence, and PTY runtime server for Embers.145GPL-3.0-only embers-test-supportShared integration-test harnesses and helpers for Embers crates.117GPL-3.0-only embfftNon-blocking FFT for embedded systems1,885MITAlgorithmsEmbedded development embiRefreshingly simple.1,548MIT embinEmbed binary or text files into source code of a specific language7,739MITCommand line utilitiesDevelopment tools embioAn embedded executor45MIT embio-macrosembio macros159MIT embiveEmbive is an interpreter/virtual-machine that leverages RISC-V bytecode, enabling sandboxed code execution on tiny devices (e.g.…5,448MIT OR Apache-2.0Embedded developmentNo standard library emblichatemblichat197MIT OR Apache-2.0 emblyLibrary for running functions on embly9,558MIT embly-wrapperThe embly wrapper executable1,806MIT embossMacros to embed metadata as an ELF/Mach-O section in your final binary9,050MIT OR Apache-2.0 emboss_commonCommon types and constants for emboss3,043MIT OR Apache-2.0 emboss_macrosProc macro implementations for emboss2,833MIT OR Apache-2.0 embrasul-modelsEmbrasul devices Data Models library - may be used with any modbus library758Apache-2.0 embreeA wrapper for the Embree ray tracing kernels.7,172MIT embree-rsA wrapper for the Embree ray tracing kernels.16,291MIT embree3Safe Rust bindings to Embree 3.13.5, Intel's high-performance ray-tracing kernels.47MITAPI bindingsExternal FFI bindings embree3-armA wrapper for the Embree ray tracing kernels.2,908MIT embree3-sysFFI bindings for Intel's Embree high-performance ray tracing library.1,732MITExternal FFI bindingsGraphics embree4-rsHigh-level wrapper for Intel's Embree 4 high-performance ray tracing library.20,039non-standardAPI bindingsGraphics embree4-sysFFI bindings for Intel's Embree 4 high-performance ray tracing library.15,915non-standardExternal FFI bindingsGraphics embroidery_toolsTools for handling embroidery patterns, formats, and operations with PES/PEC file support1,096MITData structuresGraphics embsearch-cliCLI + stdio daemon for embsearch: index, query, update, and serve embeddings.89MIT embsearch-coreEmbedding generation + vector search core: embedder abstraction, flat index, persistence.118MIT embtk-rotary-encoderEmbedded Toolkit helpers for handling rotary encoder input1,911MIT OR Apache-2.0Embedded developmentNo standard library embuildA build support library for embedded Rust1,245,130MIT OR Apache-2.0Development tools::Build UtilsEmbedded development embythe beetmash ambassador878MIT OR Apache-2.0Embedded developmentGame development embycliA command-line Emby client for searching and playing media.51MIT OR Apache-2.0 embystreamAnother Emby streaming application (frontend/backend separation) written in Rust.2,492GPL-3.0-or-laterCommand line utilitiesMultimedia embytes-bufferCrate for an embedded bytes buffer1,531Apache-2.0 embytes-buffer-asyncA async concurrent buffer implementation fro no_std devices658Apache-2.0 emcEvent Model Compiler for deterministic event-model authoring, validation, and proof artifact generation.456AGPL-3.0-or-laterCommand line utilitiesDevelopment tools emc2101Platform-agnostic Rust driver for the EMC2101 temperature sensor and fan sensor/controler.8,121MIT OR Apache-2.0Embedded developmentHardware support emc2101-rsRust embedded-hal driver for the EMC2101 temperature sensor and fan sensor/controler.1,323MIT OR Apache-2.0Embedded developmentHardware support emc230xAn async driver for the EMC230x family of fan controllers4,380MPL-2.0 emc230x-macrosMacros for the emc230x crate2,978MPL-2.0 emceeImplementation of Python's emcee affine-invariant mcmc ensemble sampler79,152MITScience emcellReserve flash memory regions to safely keep multiple binary and library binaries (cells) on a microcontroller. The cells can call…4,788MITEmbedded developmentMemory management emcell-macroA macro crate for emcell4,710MITEmbedded developmentMemory management emclickersimple cli auto clicker app4,173MITCommand line utilities EMComputefast , simple and cross-platform parallel computing library12,637MITConcurrency emcp-toolsUtilities for maintaining the Essen medical computing platform (EMCP)1,200MIT emcyphalAsync Cyphal/CAN network stack for no_std environments35MIT OR Apache-2.0AsynchronousEmbedded development emcyphal-coreCommon definition for Emcyphal network stack532MIT OR Apache-2.0AsynchronousEmbedded development emcyphal-data-typesSTM32 FDCAN driver for Emcyphal network stack34MIT OR Apache-2.0AsynchronousEmbedded development emcyphal-driverDriver interface for Emcyphal network stack352MIT OR Apache-2.0AsynchronousEmbedded development emcyphal-encodingTransfer encoding and decoding for Emcyphal network stack254MIT OR Apache-2.0AsynchronousEmbedded development emcyphal-stm32-embassySTM32 FDCAN driver adapter for Emcyphal network stack32MIT OR Apache-2.0AsynchronousEmbedded development emcyphal-stm32-nativeSTM32 FDCAN driver for Emcyphal network stack32MIT OR Apache-2.0AsynchronousEmbedded development emdA library for computing the Earth Mover's Distance3,990MIT emd-commonVarious common stuff, necessary for emd3,470GPL-3.0 emd-ebpfThis library contains the eBPF binary for emd.4,939GPL-3.0 emd-ebpf-implThe internal eBPF implementation (for use by emd-ebpf). This implementation is intended to use only with bpfel-unknown-none…2,859GPL-3.0 emd-ringExact circular EMD for 9-bin histograms, matching OpenCV cvCalcEMD2 (Rubner) semantics including unequal total masses12MITAlgorithmsScience emd_earcutrA fork of the https://github.com/donbright/earcutr repo.3,389ISC emdbLightweight, high-performance embedded key-value database. Bitcask-style append-only journal, lock-free sharded hash index,…366Apache-2.0CachingData structures emdb_libOrthographic token compression3,862MIT EMDisi_libThis project is part of the EMNetChain9,624MIT emdocA fast, lossless SerialEM MDOC parser and writer for cryo-electron microscopy.79MITData structuresParser implementations emdumperA tool to acquire the physical memory on linux systems (root is necessary)1,875GPL-3.0 emdxThe emdx official crate9,171MIT OR Apache-2.0 eme-modeEME block cipher mode of operation8,717MIT OR Apache-2.0Cryptography eme2EME2 (ECB-Mask-ECB) wide-block cipher mode of operation135MIT OR Apache-2.0CryptographyNo standard library eme2-extendedEME2-extended (ECB-Mask-ECB) wide-block cipher mode of operation for any block size ciphers98MIT OR Apache-2.0CryptographyNo standard library emeiThe EMei JIT/AOT backend codegen framework.13,314GPL-3.0 emeraldA lite, fully featured 2D game engine.68,585MIT OR Apache-2.0 emerald-apiEmerald API113Apache-2.0 emerald-cityWASM/HW-friendly lightweight client application for threshold ECDSA3,255GPL-3.0-or-later emerald-cliConsole utility for secure account management31,642Apache-2.0 emerald-coreEthereum Classic secure account management core libary11,603Apache-2.0Embedded developmentExternal FFI bindings emerald-hwkeyEmerald HWKey - Harware Cryptocurrency Key Access31,890Apache-2.0 emerald-librocksdb-sysNative bindings to librocksdb6,606MIT/Apache-2.0/BSD-3-Clause emerald-rocksdbRust wrapper for Facebook's RocksDB embeddable database22,232Apache-2.0 emerald-rsEthereum secure account management core libary40,483Apache-2.0Embedded developmentExternal FFI bindings emerald-vaultEmerald Vault - Key Storage for Emerald Wallet33,524Apache-2.0Cryptography emerald-vault-coreEthereum secure account management core libary10,393Apache-2.0Embedded developmentExternal FFI bindings emerald-wallet-stateEmerald Wallet State storage1,614Apache-2.0 emerald_kernel_user_linkAn interface to link kernel/user code in Emerald OS16,702MITOperating systems emerald_keyboarduserspace keyboard events reader for Emerald OS1,403MITOperating systems emerald_runtimeuserspace runtime structures and helpers for Emerald OS (unlike `emerald_std` this uses `rust std`)2,965MITOperating systems emerald_stdbare basic std functionality for the userspace programs for Emerald OS8,193MITOperating systems emergeA library for building and rendering force directed graphs2,198MIT OR Apache-2.0Game developmentGraphics emergenceA small library to download and cache Advent of Code inputs14,517MPL-2.0 emergency_brakeemergency_brake is a simple and easy to use process or service monitor that will immediately terminate the execution of a process…1,617Apache-2.0Development tools::Testing emergentToolset for producing emergent gameplay for games written in Rust32,038MIT OR Apache-2.0Game developmentSimulation emergent-clientClient library for Emergent event-based workflow platform1,007MIT OR Apache-2.0 emergent-engineEvent-driven workflow engine -- compose CLI tools into pub-sub pipelines with TOML99MIT OR Apache-2.0Command line utilitiesDevelopment tools emergent-timeCalculus of emergent / relational time: Wheeler-DeWitt timeless constraint, Page-Wootters relational clocks, entropic time,…39MITAlgorithmsScience emeshLibrary for processing 3D polygon meshes.3,955MIT OR Apache-2.0 emesh-cliCLI tool for processing 3D polygon meshes.2,754MIT OR Apache-2.0 emesh-converterLibrary for converting 3D polygon meshes to other representations.3,156MIT OR Apache-2.0 emesh-converter-cliCLI tool for converting 3D polygon meshes to other representations.2,765MIT OR Apache-2.0 emesh-converter-coreCore primitives and operations for converting 3D polygon meshes to other representations.3,420MIT OR Apache-2.0 emesh-coreCore primitives and operations for processing 3D polygon meshes.4,182MIT OR Apache-2.0 emetA lightweight file integrity and digital signature library powered by the Tequel hashing primitive. Fast, local-first, and…122MITCommand line utilities emetameta3,729MIT OR Apache-2.0 emf-core-base-rsIdiomatic Rust wrapper of the emf-core-base interface5,762MIT OR Apache-2.0Game development emf-core-base-rs-ffiRust wrapper of the emf-core-base interface5,313MIT OR Apache-2.0Game development emf-core-rs-ffiRust wrapper of the emf-core interface1,367MITGame development emfsEmbeds directory structures in crates1,496MIT emfs_deriveProcedural macros for emfs1,482MIT emfsdkEMF, EMF+, and WMF SDK for Rust64MIT OR Apache-2.0Parser implementations emfsdk-deriveEMF, EMF+, and WMF SDK for Rust85MIT OR Apache-2.0Parser implementations emg-filter-rsThis is an implementation of the EMGFilters library by OYMotion in Rust.1,332MIT OR Apache-2.0 emgenGenerate Rust Entity Models from MSSQL tables with EMGen.885MIT emheapTiny memory manager for embedded system.5,604MIT emia modal text editor1,686MIT emilbrat_test_libraryIgnore this library, it is just for testing cargo and crates.io2,468MIT/Apache-2.0 emilgardis-test-crateA test crate5,337WTFPL emils-cargo-releaseCargo subcommand for you to smooth your release process.11,834MIT/Apache-2.0Development tools::Cargo plugins EmilyA TODOs tracker3,067MIT OR Apache-2.0 emissaryStateful caching and serialization framework in 100 lines or less!2,049MIT emissary-cliRust implementation of the I2P protocol stack3,289MIT emissary-coreRust implementation of the I2P protocol stack4,524MIT emissary-utilRust implementation of the I2P protocol stack3,930MIT emitDeveloper-first diagnostics for Rust applications.104,903MIT OR Apache-2.0Development tools::Debugging emit-crashWhen child threads panic, the main thread also exit1,734Apache-2.0 emit_ansi_termAn ANSI (colored) terminal collector for emit.4,781Apache-2.0 emit_batcherBatch processing infrastructure for emit.57,905MIT OR Apache-2.0 emit_coreCore APIs and runtime infrastructure for emit.62,836MIT OR Apache-2.0 emit_fileEmit diagnostic events to rolling files.41,193MIT OR Apache-2.0Development tools::Debugging emit_macrosInternal proc macro crate for emit.62,754MIT OR Apache-2.0Development tools::Debugging emit_opentelemetryEmit diagnostic events to the OpenTelemetry SDK.27,560MIT OR Apache-2.0Development tools::Debugging emit_otlpEmit diagnostic events to an OpenTelemetry-compatible collector.55,962MIT OR Apache-2.0Development tools::Debugging emit_randrand-based Rng for emit.528MIT OR Apache-2.0Development tools::Debugging emit_seqA Seq collector for the emit structured logger.5,937Apache-2.0 emit_termEmit diagnostic events to the console.58,788MIT OR Apache-2.0Development tools::Debugging emit_traceparentW3C traceparent support for emit.34,936MIT OR Apache-2.0Development tools::Debugging emit_webInstrument Web-based applications using emit.1,973MIT OR Apache-2.0Development tools::Debugging emitbrownevent emitter based on google swisstable17,804MIT emitixEmitix - A Rust library for event-driven programming2,415MITAlgorithmsData structures emitterA synchronous event emitter for evented code.3,241MIT emitter-rs📢 Emitter RS is a lightweight EventEmitter implementation for Rust and Wasm.8,220MITAsynchronousWebAssembly emitter_all_tuplesProcedural macro for rs-event-emitter2,068MIT emitter_runtimeRuntime support for rs-event-emitter1,642MIT emixEveryday filesystem, string, random, and terminal utilities built on emixcore.315MIT emixaiFeature-gated AI helpers (audio, imaging, language, vision) for EssentialMix.27MIT emixcollectionsCollection utilities including generic range types with iteration, clamping, and overlap detection25MIT emixcoreShared error handling, debug configuration, and foundational traits for EssentialMix.893MIT emixcryptoCryptographic utilities for EssentialMix, providing encryption, hashing, encoding, and random number generation25MIT emixdbDTOs, pagination, and merge traits shared across EssentialMix database crates.223MIT emixdieselAsync Diesel repositories, filters, and migrations aligned with EssentialMix patterns.26MIT emixlogMulti-sink logging adapters and helpers for log4rs, slog, and EssentialMix utilities.27MIT emixnetHigher-level HTTP, mail, and VPN helpers layered on EssentialMix core utilities.26MIT emixseaormSeaORM repositories, filters, and migrations following EssentialMix conventions.26MIT emixthreadingSynchronization primitives, task orchestration, and spinner utilities built on emixcore.26MIT emjudge-judgecoreEmjudge-Judgecore is a comprehensive library designed for the evaluation and testing of executing programs against specific…16,118MIT emk-rsPure-Rust implementation of the Extreme Karaoke file format1,949MITEncodingMultimedia emkdirWIP - Sanitized method to create directories cross-platform with sanitization4,445non-standard emlEpoch Merkle Log: the EML library instantiated at k=2, no prefix119non-standardAlgorithmsCryptography eml-codecEmail enCOder DECoder in Rust. Support Internet Message Format and MIME (RFC 822, 5322, 2045, 2046, 2047, 2048, 2049, 6532).4,283GPL-3.0-or-later eml-coreEML (exp-ln) universal function approximation — O(1) learned functions from data274MIT OR Apache-2.0 eml-nlParse, manipulate and emit EML_NL documents4,140EUPL-1.2 eml-parserA library for parsing .eml files.1,108,189non-standard eml-replicatorA tool to import EML files to an IMAP inbox.7,242CECILL-2.1Command line utilities eml-storage-fjallFjall-backed storage implementation for Epoch Merkle Log (EML)20non-standard eml-validateMod validator for EML.10,129MIT eml2htmlConverts EML files to HTML1,555MIT OR Apache-2.0Command line utilities eml2mdConvert EML files to Markdown42Apache-2.0 eml_codec_derivesProc macros for the eml-codec crate37GPL-3.0-or-later eml_srSymbolic regression via the EML operator — find the math formula hidden in your data108MIT emlexA zero-cost S-expression mathematical DSL engine for Rust. Provides compile-time evaluation, AST preservation, optimization, and…22MIT OR Apache-2.0CompilersDevelopment tools emlibA SiLabs EMlib bindings for Happy Gecko MCU (EFM32HG222F64)2,375MIT OR Apache-2.0Embedded developmentNo standard library emliteA Rust wrapper around emlite20,836MITAPI bindingsWebAssembly emlmathA scientific math library based on the paper All elementary functions from a single binary operator by Andrzej Odrzywołek34MITMathematics emlopA fast, accurate, ergonomic emerge.log parser20,784GPL-3.0-onlyCommand line utilitiesParsing tools emlxPrse Apple Mail.app emlx files into eml and related metadata.2,489MITEmailParser implementations emmaA full-fledged `no_std` and "no-libc" capable memory allocator.2,711MIT OR Apache-2.0 emmapackTraits for sending and receiving packets3,923MIT emmc-fsFAT and EXT4 filesystem abstraction for ESP32 eMMC/SD cards via ESP-IDF23MITEmbedded developmentFilesystem emmetA crate to expand emmet abbreviations.1,687MITParsing toolsText editors emmetifyEmmetify is a tool for converting HTML to Emmet syntax.936Apache-2.0 emmetta simple etl tool7,345GPL-3.0-or-laterParsing tools emmy_dap_typesRust types for Debug Adapter Protocol (DAP) - forked from dap-rs with cross-editor compatibility enhancements909MITDevelopment tools emmy_lsp_typesLSP types for Rust, with enhanced features and strict linting48,522MITDevelopment tools emmylua_checkA command-line tool for checking lua code.49,668MITDevelopment tools emmylua_code_analysisA library for analyzing lua code.53,586MITDevelopment tools emmylua_codestyleLua code formatting lib with EmmyLuaCodeStyle84,801MITDevelopment tools emmylua_diagnostic_macroA proc-macro for generating diagnostic code for emmylua-analyzer-rust39,568MITDevelopment tools emmylua_doc_cliA command-line tool for generating lua documentation.24,029MITDevelopment tools emmylua_formatterA command-line tool for formatting Lua code12,377MITDevelopment tools emmylua_lsA language server for emmylua.25,265MITDevelopment tools emmylua_parserA parser for EmmyLua and luals66,313MITDevelopment toolsParsing tools emmylua_parser_descA parser for markup within Lua comments11,318MITDevelopment toolsParsing tools EMNetChainChaining Server4,899MIT emolua shiori implement8,932MIT emo-lanA language that compiles emoji-based syntax into HTML.2,652MIT emoclithis crate has been moved to resolve a naming conflict with a similar project14,892MITCommand line utilities emoj_rsrust implementation of emoj2,976MIT emojfuscateTools for turning any data into emoji and back again1,547non-standardEncoding emojfuscate_derivederive macros for emojfuscate1,441non-standardDevelopment tools::Procedural macro helpersEncoding emojiEvery emoji, their metadata, and localized annotations112,522MIT OR Apache-2.0 emoji-cliJust a dummy emoji cli to play with Rust.1,566MIT emoji-clockEmoji clock2,971MIT emoji-clock-2Convert time and chrono types to emojis4,383MITDate and timeEncoding emoji-clock-cliEmoji clock cli2,060MIT emoji-commitMake your git logs beautiful and readable with the help of emojis16,665MIT emoji-commit-typeThe different commit types used in the emoji committer8,481MIT