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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.

qeepreserved crates domain1,861MIT qefro-backend-sdkQefro backend framework for business tool handlers and customer authorization orchestration33MIT API bindings Web programming qeiA wrapper that allows to extend quadratic encoder interface (QEI)8,125MIT OR Apache-2.0 Embedded development No standard library qemHigh-performance cross-platform text engine for massive files.275MIT OR Apache-2.0 Data structures Filesystem qemitA minimalist quasi-quoting library using declarative macros25MIT OR Apache-2.0 Development tools::Procedural macro helpers qemuQEMU binary installer45,497MIT Virtualization qemu-aarch64QEMU binary installer for qemu-aarch643,890MIT Emulators qemu-alphaQEMU binary installer for qemu-alpha4,045MIT Emulators qemu-armQEMU binary installer for qemu-arm3,897MIT Emulators qemu-armebQEMU binary installer for qemu-armeb2,509MIT Emulators qemu-command-builderType safe command line builder for qemu1,130MIT OR Apache-2.0 qemu-crisQEMU binary installer for qemu-cris2,545MIT Emulators qemu-debugconSimple QEMU debugcon wrapper49MIT OR Apache-2.0 Embedded development No standard library qemu-displayHelper library to communicate with qemu -display dbus4,899MIT API bindings GUI qemu-exitExit QEMU with user-defined code591,570MIT OR Apache-2.0 Embedded development Hardware support qemu-fw-cfgA Rust library for reading fw_cfg from QEMU4,678MIT OR Apache-2.0 Embedded development Hardware support qemu-hexagonQEMU binary installer for qemu-hexagon2,628MIT Emulators qemu-hppaQEMU binary installer for qemu-hppa2,473MIT Emulators qemu-i386QEMU binary installer for qemu-i3862,573MIT Emulators qemu-loongarch64QEMU binary installer for qemu-loongarch642,512MIT Emulators qemu-m68kQEMU binary installer for qemu-m68k2,593MIT Emulators qemu-microblazeQEMU binary installer for qemu-microblaze2,582MIT Emulators qemu-microblazeelQEMU binary installer for qemu-microblazeel2,538MIT Emulators qemu-mipsQEMU binary installer for qemu-mips2,558MIT Emulators qemu-mips64QEMU binary installer for qemu-mips642,477MIT Emulators qemu-mips64elQEMU binary installer for qemu-mips64el2,581MIT Emulators qemu-mipselQEMU binary installer for qemu-mipsel2,567MIT Emulators qemu-mipsn32QEMU binary installer for qemu-mipsn322,606MIT Emulators qemu-mipsn32elQEMU binary installer for qemu-mipsn32el2,547MIT Emulators qemu-nios2QEMU binary installer for qemu-nios22,613MIT Emulators qemu-or1kQEMU binary installer for qemu-or1k2,534MIT Emulators qemu-pluginHigh level bindings to the QEMU plugin API26,557GPL-2.0-or-later Virtualization qemu-plugin-sysLow level bindings to the QEMU plugin API28,397GPL-2.0-or-later Virtualization qemu-ppcQEMU binary installer for qemu-ppc2,574MIT Emulators qemu-ppc64QEMU binary installer for qemu-ppc642,614MIT Emulators qemu-ppc64leQEMU binary installer for qemu-ppc64le2,578MIT Emulators qemu-rdporg.qemu.Display1 RDP server1,343MIT GUI Network programming qemu-riscv32QEMU binary installer for qemu-riscv322,561MIT Emulators qemu-riscv64QEMU binary installer for qemu-riscv642,597MIT Emulators qemu-runRuns qemu-system-arm but decodes defmt data sent to semihosting152MIT OR Apache-2.0 Embedded development qemu-rustA library to interact with Qemu using the QMP protocol: http://wiki.qemu.org/QMP2,577MIT/Apache-2.0 qemu-s390xQEMU binary installer for qemu-s390x2,568MIT Emulators qemu-sh4QEMU binary installer for qemu-sh42,620MIT Emulators qemu-sh4ebQEMU binary installer for qemu-sh4eb2,583MIT Emulators qemu-sparcQEMU binary installer for qemu-sparc2,541MIT Emulators qemu-sparc32plusQEMU binary installer for qemu-sparc32plus2,541MIT Emulators qemu-sparc64QEMU binary installer for qemu-sparc642,518MIT Emulators qemu-system-aarch64QEMU binary installer for qemu-system-aarch642,565MIT Emulators qemu-system-alphaQEMU binary installer for qemu-system-alpha2,542MIT Emulators qemu-system-armQEMU binary installer for qemu-system-arm2,596MIT Emulators qemu-system-avrQEMU binary installer for qemu-system-avr2,552MIT Emulators qemu-system-crisQEMU binary installer for qemu-system-cris2,604MIT Emulators qemu-system-hppaQEMU binary installer for qemu-system-hppa2,714MIT Emulators qemu-system-i386QEMU binary installer for qemu-system-i3862,797MIT Emulators qemu-system-loongarch64QEMU binary installer for qemu-system-loongarch642,805MIT Emulators qemu-system-m68kQEMU binary installer for qemu-system-m68k2,786MIT Emulators qemu-system-microblazeQEMU binary installer for qemu-system-microblaze2,786MIT Emulators qemu-system-microblazeelQEMU binary installer for qemu-system-microblazeel2,690MIT Emulators qemu-system-mipsQEMU binary installer for qemu-system-mips2,777MIT Emulators qemu-system-mips64QEMU binary installer for qemu-system-mips642,749MIT Emulators qemu-system-mips64elQEMU binary installer for qemu-system-mips64el2,793MIT Emulators qemu-system-mipselQEMU binary installer for qemu-system-mipsel2,693MIT Emulators qemu-system-nios2QEMU binary installer for qemu-system-nios22,784MIT Emulators qemu-system-or1kQEMU binary installer for qemu-system-or1k2,797MIT Emulators qemu-system-ppcQEMU binary installer for qemu-system-ppc2,716MIT Emulators qemu-system-ppc64QEMU binary installer for qemu-system-ppc642,791MIT Emulators qemu-system-riscv32QEMU binary installer for qemu-system-riscv322,678MIT Emulators qemu-system-riscv64QEMU binary installer for qemu-system-riscv642,674MIT Emulators qemu-system-rxQEMU binary installer for qemu-system-rx2,699MIT Emulators qemu-system-s390xQEMU binary installer for qemu-system-s390x2,856MIT Emulators qemu-system-sh4QEMU binary installer for qemu-system-sh42,781MIT Emulators qemu-system-sh4ebQEMU binary installer for qemu-system-sh4eb2,782MIT Emulators qemu-system-sparcQEMU binary installer for qemu-system-sparc2,847MIT Emulators qemu-system-sparc64QEMU binary installer for qemu-system-sparc642,724MIT Emulators qemu-system-tricoreQEMU binary installer for qemu-system-tricore2,828MIT Emulators qemu-system-x86-64QEMU binary installer for qemu-system-x86_642,758MIT Emulators qemu-system-xtensaQEMU binary installer for qemu-system-xtensa2,777MIT Emulators qemu-system-xtensaebQEMU binary installer for qemu-system-xtensaeb2,774MIT Emulators qemu-x86_64QEMU binary installer for qemu-x86_642,792MIT Emulators qemu-xtensaQEMU binary installer for qemu-xtensa2,784MIT Emulators qemu-xtensaebQEMU binary installer for qemu-xtensaeb2,739MIT Emulators qemu_libafl_bridgeQEMU and LibAFL bridge lib9,023MIT OR Apache-2.0 qemu_printA crate prividing `qemu_print!` and `qemu_println!` macros to print strings to the console for debugging.8,015MIT OR Apache-2.0 No standard library Operating systems qemu_rsA crate for communicating with qemu for the development of PKU-cloud.1,438Apache-2.0 qentitiesUtilities related to the q-entities format.5,057MPL-2.0 qenvDefine environment variables with macros and access them easily.156MIT qeqSolves quadratic equations1,971MIT/Apache-2.0 qernelqernel242non-standard qespTool to remove annoying characters of names in a directory.8,163MIT Command line utilities qeventqlog implementation6,150Apache-2.0 Asynchronous Network programming qewby_parserMy educational parser1,524MIT qex-coreCore library for QEX — semantic code search with BM25, tree-sitter chunking, and optional dense vectors143AGPL-3.0 qex-mcpLightweight MCP server for semantic code search — BM25 + optional dense vectors + tree-sitter chunking74AGPL-3.0 qexed_packet_macros一个数据包定义工具158MIT qexed_tcp_connect一个数据包连接工具193MIT qexprTyped query expressions (query algebra) for retrieval systems.174MIT OR Apache-2.0 Algorithms Text processing qeztorncodegen* The development of Torn's API v2 is still ongoing. * If selections remain unaltered, they will default to the API v1 version. …2,324Unlicense qfqf (Quick-Find) is a file search CLI that makes files searching speedy and powerful.1,738MIT qf-polkavm-sdkNative Rust smart contract SDK for QF Network. Can work with other Substrate-based blockchains using pallet-revive.194MIT qf-polkavm-sdk-proceduralProc macro of the SDK305MIT qfactorslibq/qfactors23MIT qfall-mathMathematical foundations for rapid prototyping of lattice-based cryptography360MPL-2.0 Cryptography Development tools::Build Utils qfall-schemesCollection of prototype implementations of lattice-based cryptography78MPL-2.0 Cryptography Development tools::Build Utils qfall-toolsCommon sub-modules and procedures in lattice-based constructions197MPL-2.0 Cryptography Development tools::Build Utils qfeExperimental protocol for quantum-secure communications2,638MIT Cryptography qfetchqfetch is a simple fetch tool inspired by pfetch, but written in rust.14,633BSD-2-Clause Command line utilities qfetch-cliA blazing fast, highly configurable and lightweight fetch tool written in Rust.246GPL-3.0-or-later Command line utilities qffuncqf秘制小函数83LGPL-2.1-only qfileCrate for accessing a file by path, case insensitive. Automatic detection, create a path with a new file or open an existing file25,549MIT Asynchronous Filesystem qfilterEfficient bloom filter like datastructure, based on the Rank Select Quotient Filter (RSQF)2,484,988MIT Data structures qfixedBit-accurate fixed-point types with Q-notation for RTL digital twin modeling26MIT OR Apache-2.0 Embedded development Mathematics qflA Rust library of various functions and tools for Statistics, Quant Finance, Stochastic Modelling, and other needs.1,043MIT qforgeThis project is a quantum computing library developed in Rust, inspired by existing libraries such as QPP in C++, Yao.jl in…910MIT qframeworkA experimental micor framework for clear design, based on queue model4,541MIT/Apache-2.0 Algorithms qftQuick File Transfer, true peer-to-peer over UDP on CLI10,411GPL-3.0-or-later Command line utilities qft-rsProduction-grade native Rust SDK for Quantum File Type (.qft) format128MIT OR Apache-2.0 Data structures Encoding qftfQR code file transfers878WTFPL Command line utilities qfxlibq/qfx20MIT qfx_parserA small qfx parser for personal projects that supports bank and cc transactions416MIT qgYet another immediate mode GUI1,996AGPL-3.0-or-later qgateGranular-recursive quality gate CLI: 85%+ coverage per-module, all check types, JSON+tree reports25MIT qgbEasily create a github branch with spaces rather than needing _ or - between each word.3,027MIT OR Apache-2.0 Command line utilities qglake-bundleQueryGraph bootstrap bundle wire format and verification types (serde-only, store-independent)33Apache-2.0 qhashfilefutureFuture for hashing single file.2,9190BSD qhermes-a2aQHermes 26 — A2A identity and authorization layer (Agent Cards, credential chains, KEM session handshake)20LicenseRef-Copertino-1.0 Authentication Cryptography qhermes-channelsQHermes 26 — post-quantum encrypted channels (ML-KEM-768, ChaCha20-Poly1305)27LicenseRef-Copertino-1.0 Cryptography No standard library qhermes-kernelQHermes 26 — post-quantum delegation chain primitives (ML-DSA-65, HKDF-SHA3-512)27LicenseRef-Copertino-1.0 Authentication Cryptography qhookLightweight webhook gateway and workflow engine with queue, retry, and signature verification.203Apache-2.0 Asynchronous Network programming qhtImplementation of Quotient Hash Tables variants QHTc, QQHTc, QQHTDc2,245MIT Algorithms Data structures qhullRust bindings to Qhull14,600MIT qhull-enhancedRust bindings to Qhull882MIT qhull-sysRust bindings to Qhull15,741MIT qhull-sys-enhancedRust bindings to Qhull1,041MIT qhyccd-alpacaASCOM Alpaca driver for QHYCCD cameras and filter wheels.3,427MIT OR Apache-2.0 Aerospace qhyccd-rsRust bindings for the QHYCCD SDK. This crate provides a safe interface to the QHYCCD SDK for controlling QHYCCD cameras, filter…13,368MIT OR Apache-2.0 Aerospace API bindings qiQI is a Rust-based library for calculating how many qiins(penkakes) you can make from certain amount of materials1,896GPL-3.0 qi-rsA tiny, fast, and powerful formatter for documentation, especially for content in CJK.1,293MIT qi_openapiopenapi parser for qi1,645Apache-2.0 qianliSearch Chinese content platforms from the terminal. Named after 千里眼 — the far-seeing deity.27MIT Command line utilities qianlv_minigrepA mini grep project for <<The Rust Programming language>>1,711MIT qians_xqlSQL query builder2,832GPL-3.0-or-later Database interfaces qiboQibo framework core elements1,452GPL-3.0-or-later Science qibo-coreQibo framework core elements1,476GPL-3.0-or-later Science qibo-core-cQibo framework core elements1,461GPL-3.0-or-later Science qibo-core-cxxQibo framework core elements1,451GPL-3.0-or-later Science qibo-core-fQibo framework core elements1,444GPL-3.0-or-later Science qibo-core-jlQibo framework core elements1,455GPL-3.0-or-later Science qibo-core-pyQibo framework core elements1,473GPL-3.0-or-later Science qibocQibo framework core elements1,469GPL-3.0-or-later Science qibocalQibo framework core elements1,442GPL-3.0-or-later Science qibolabQibo framework core elements1,446GPL-3.0-or-later Science qidGenerate IDs.1,650MIT OR Apache-2.0 qiflibrary that can read and write QIF (Quicken Interchange File).1,175MIT qif_generatorLibrary for QIF file generation11,493MIT Encoding qif_parserThis library parses Quicken Interchange Format (QIF) files13,437MIT Parser implementations qifi-rsA fast Api and Structure load4,872MIT OR Apache-2.0 Algorithms Science qiitarmacOS Keychain access library — a Rust port of the core node-keytar API.22MIT qikRust library for the Pololu qik dual serial motor controllers13,689MIT/Apache-2.0 qik-rsRust library for the Pololu qik dual serial motor controllers2,525MIT/Apache-2.0 qilinLightweight Game Engine for making fun 2d Games in Rust.6,210MIT OR Apache-2.0 Game development Game engines qilv_test_packageA test package.819MIT OR Apache-2.0 qimallocQuick incremental memory allocator14,953Apache-2.0 qimen奇门遁甲之术93MIT Algorithms Date and time qimen-dynamic-plugin-deriveProc macros for QimenBot dynamic plugin development118MIT qinA terminal music player1,736MIT OR Apache-2.0 qindex_multiProvides means of indexing collections mutable and immutable multiple times at once.14,304CC0-1.0 qineticfree, cross-platform, open-source simple game engine, designed to be fast, simple and modular9,038MIT Game engines qinetic_aicrate for Qinetic, containing artificial intelligence functionality1,387MIT qinetic_animationcrate for Qinetic, containing animation functionality4,787MIT qinetic_appcrate for Qinetic, containing application functionality9,912MIT qinetic_app_macroscrate for Qinetic, containing application macros2,659MIT qinetic_arcrate for Qinetic, containing augmented reality functionality1,243MIT qinetic_assetcrate for Qinetic, containing asset functionality4,927MIT qinetic_audiocrate for Qinetic, containing audio functionality4,848MIT qinetic_corecrate for Qinetic, containing core functionality6,235MIT qinetic_dylibcrate for Qinetic force to be dynamically linked5,178MIT qinetic_ecscrate for Qinetic, containing entity-component-system functionality6,188MIT qinetic_ecs_macroscrate for Qinetic, containing entity-component-system macros2,754MIT qinetic_inputcrate for Qinetic, containing input functionality4,953MIT qinetic_internalcrate for Qinetic, facilitating optional dynamic linking9,339MIT qinetic_logcrate for Qinetic, containing log functionality4,890MIT qinetic_mathcrate for Qinetic, containing math functionality20,802MIT qinetic_networkcrate for Qinetic, containing network functionality4,690MIT qinetic_physicscrate for Qinetic, containing physics functionality4,915MIT qinetic_rendercrate for Qinetic, containing render functionality4,906MIT qinetic_uicrate for Qinetic, containing user-interface functionality4,811MIT qinetic_utilscrate for Qinetic, containing utils2,606MIT qinetic_utils_macroscrate for Qinetic, containing utils macros2,986MIT qinetic_vrcrate for Qinetic, containing virtual reality functionality2,282MIT qinetic_windowcrate for Qinetic, containing window functionality5,024MIT qinetic_xrcrate for Qinetic, containing cross-platform VR/AR device integration functionality1,579MIT qingQing is a note site generator.1,505Apache-2.0 qingkeLow level access to WCH's QingKe RISC-V processors38,715MIT/Apache-2.0 Embedded development Hardware support qingke-riscvPlaceholder owned by ch32-rs team, for qingke core-level support23MIT/Apache-2.0 qingke-rtMinimal runtime / startup for WCH's RISC-V MCUs, managed by the ch32-rs team30,524MIT/Apache-2.0 Embedded development Hardware support qingke-rt-macrosMacros re-exported in `qingke-rt`30,721MIT/Apache-2.0 Embedded development Hardware support qingwen_minigrepA mini grep demo1,219MIT OR Apache-2.0 qiniuqiniu5,001MIT qiniu-apisQiniu HTTP APIs for Rust26,802MIT qiniu-cdn-managerA CLI to Manage Qiniu CDN.3,628MIT Command line utilities