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.
system_info_collector_coreCore library for system_info_collector - concurrent data collection engine82MIT
system_mediaRust crate for interacting with the NowPlaying API1,049MIT
system_profilerWrapper around the macOS System Profiler1,516CC0-1.0 OR Unlicense
system_proxyGet the system-wide HTTP proxy26,795MPL-2.0
system_rustThis is a hardware simulation framework inspired by SystemC for Rust. It features multithreading with a sender-receiver…7,559non-standard
system_shutdownRust library for shut down, reboot or log out operations.3,773,931MIT/Apache-2.0
system_solverFind values of unknown parameters that satisfy a system of constraint equations and given parameter values.205MIT OR Apache-2.0
system_status_bar_macosLibrary for interacting with the system's status bar for macOS, or more simply, the one for using [NSStatusBar systemStatusBar].6,833MIT OR Apache-2.0
system_token_generatorGenarate your system token1,620MIT
system_tzCurrent timezone from the operating system4,511Apache-2.0
system_uriSystem URI API library9,276GPL-3.0
system_wide_key_stateQuery system-wide key state.8,915MIT
systemathics-apisGanymede.cloud rust client.41,088MIT
systematicRusty bindings to libsystemd1,508Apache-2.0
systembus-notifiersystem dbus notification redirector3,927MIT
systemconfiguration-rsSafe Rust bindings for Apple's SystemConfiguration framework via a Swift bridge on macOS168MIT OR Apache-2.0
systemctlSmall crate to interact with systemd units400,557MIT OR Apache-2.0
systemctl-managerA simple utility to interact with systemd services through a TUI (Vim-Keys).176MIT
systemctl-tuiA simple TUI for interacting with systemd services and their logs31,899MIT
systemdA rust interface to libsystemd/libelogind provided APIs6,013,778LGPL-2.1-or-later WITH GCC-exception-2.0
systemd-ask-password-agentLibrary for implementing a systemd password agent (https://systemd.io/PASSWORD_AGENTS/)3,413GPL-3.0-or-later
systemd-boot-confManaging the systemd-boot loader configuration9,156MIT
systemd-boot-friend-rsKernel version manager for systemd-boot50,405MIT
systemd-boot-gensystemd-boot boot configuration generator4,266GPL-3.0-or-later
systemd-connectorA rust library for interacting with systemd2,393MIT
systemd-crontab-generatorSystemd generator for crontab files support17,349MIT
systemd-daemonUsed for systemd intgration testing.25MIT
systemd-dbusCrate for systemd commands via DBus. Experimental.3,067Apache-2.0
systemd-directoriesA tiny library to retrieve systemd directories following systemd.exec(5)9,003MIT
systemd-durationConvert systemd style time durations into other formats7,722CC0-1.0
systemd-generatorA simple CLI tool to generate systemd service files quickly94MIT
systemd-hardening-helperAutomatic systemd service hardening guided by strace profiling5,864GPL-3.0-only
systemd-integrationUsed for systemd intgration testing.23MIT
systemd-journal-loggerSystemd journal logger for the log facade.1,024,868MIT OR Apache-2.0
systemd-journal-logger-memfd-syscallSystemd journal logger for the log facade (fork supporting older glibc versions) DEPRECATED2,617MIT OR Apache-2.0
systemd-journal-readerA systemd journal parser.1,189Apache-2.0
systemd-journal-sdkPure-Rust systemd journal reader and writer SDK252GPL-3.0-or-later
systemd-journal-sdk-commonShared types and utilities for the pure Rust systemd journal SDK156,626GPL-3.0-or-later
systemd-journal-sdk-coreCore pure Rust systemd journal file reader and writer primitives156,500GPL-3.0-or-later
systemd-journal-sdk-engineAsync query engine components for the pure Rust systemd journal SDK156,255GPL-3.0-or-later
systemd-journal-sdk-hostOptional host identity and monotonic timestamp helpers for the systemd journal SDK133,909GPL-3.0-or-later
systemd-journal-sdk-indexIndex structures and query helpers for the pure Rust systemd journal SDK156,329GPL-3.0-or-later
systemd-journal-sdk-log-writerHigh-level pure Rust systemd journal directory writer156,330GPL-3.0-or-later
systemd-journal-sdk-registryDirectory registry primitives for the pure Rust systemd journal SDK156,525GPL-3.0-or-later
systemd-jpRust interface to systemd management API via dbus4,553BSD-3-Clause
systemd-language-serverA Rust and Language Server Protocol (LSP) based language server for systemd unit files793MIT
systemd-linterA SystemD unit files linter5,376MPL-2.0
systemd-lspLanguage Server Protocol implementation for systemd unit files1,529MIT
systemd-managerA GTK3 GUI for managing systemd services on Linux3,828MIT
systemd-manager-tuiTUI for managing systemd services7,567MIT
systemd-networkd-vpncA glue between OpenConnect and systemd-networkd1,714MIT
systemd-parserA nom parser for systemd unit files19,545MPL-2.0
systemd-rsA high level systemd wrapper20,044MIT/Apache-2.0
systemd-runA Rust crate for running processes as Systemd transient services.14,917MIT OR Apache-2.0
systemd-serviceGenerate service files for the application161MIT
systemd-sysGenerated libsystemd FFI declarations12,161MIT/Apache-2.0
systemd-unit-editA lossless parser and editor for systemd unit files1,864Apache-2.0
systemd-user-timersA simple way to make systemd user timers, and might grow up into a full simple systemd frontend279MIT
systemd-user-timers-libA simple way to make systemd user timers. This is the library, not the CLI.271MIT
systemd-wakeUse systemd to wake up for future tasks3,869MIT
systemd-zbusA dbus client (using zbus) for systemd350,477Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT
systemd_clientsystemd client library implemented with zbus19,554Apache-2.0
systemd_infoObtain some system information through WMIC1,434MIT OR Apache-2.0
systemd_reloadZero-downtime process management for Rust applications / Rust应用零停机进程管理238MulanPSL-2.0
systemd_service_parserA simple systemd service file parser2,503MIT OR Apache-2.0
systemd_socketA convenience crate for optionally supporting systemd socket activation.6,979MITNFA
systemd_tmpfilesA parser for systemd-tmpfiles configuration files13,310MPL-2.0
systemd_unitLibrary for working with systemd units and rendering them4,908GPL-3.0-or-later
systemdaemonSystem daemon building blocks. Designed for but not limited to systemd.35MPL-2.0
systemdtabManage systemd timers and services like crontab61MIT
systemdzbusInteract with systemd through DBus with a convenient rust interface.
All of the initial types were automatically generated by the…1,849Beerware
systemfC-like syscall macro, aka an interface of ::Command1,620MIT
systemfdA convenient helper for passing sockets into another process. Best to be combined with listenfd and cargo-watch.65,032Apache-2.0
systemgAn agent-friendly general process composer.8,464MIT
systemiconsWith this lib you can retrive the system icon which is associated to a certain file extension. The icon will be in the .png…30,310MIT
systeminfoGets the system hardware and os information2,434MIT
systeminfo_rust_mcpA Model Context Protocol (MCP) server for system information retrieval34Apache-2.0
systemioA simple generalized I/O interface255MIT
systemlessHigh-Level Emulation for classic Macintosh applications2,671GPL-3.0-or-later AND OFL-1.1
systempromptSelf-hosted AI governance infrastructure. The Rust library behind systemprompt.io: MCP-native tool-call governance, 6-tier RBAC,…2,048BUSL-1.1
systemprompt-agentAgent-to-Agent (A2A) protocol for systemprompt.io AI governance: streaming, JSON-RPC models, task lifecycle, .well-known…3,083BUSL-1.1
systemprompt-aiProvider-agnostic LLM integration for systemprompt.io AI governance — Anthropic, OpenAI, Gemini, and local models unified behind…2,597BUSL-1.1
systemprompt-analyticsAnalytics for systemprompt.io AI governance infrastructure. Session, agent, tool, and microdollar-precision cost attribution…3,099BUSL-1.1
systemprompt-apiAxum-based HTTP server and API gateway for systemprompt.io AI governance infrastructure. Exposes governed agents, MCP, A2A, and…2,495BUSL-1.1
systemprompt-cliUnified CLI for systemprompt.io AI governance: agent orchestration, MCP governance, analytics, profiles, cloud deploy, and…2,210BUSL-1.1
systemprompt-clientHTTP API client for systemprompt.io AI governance infrastructure. Typed requests for CLIs and external services talking to a…3,699BUSL-1.1
systemprompt-cloudCloud API client, credentials, OAuth, and tenant management for systemprompt.io AI governance deployments. Remote sync and…3,765BUSL-1.1
systemprompt-configProfile-based configuration for systemprompt.io AI governance infrastructure. Bootstraps profiles, secrets, and credentials with…4,030BUSL-1.1
systemprompt-contentMarkdown content management, sources, and event tracking for systemprompt.io AI governance dashboards. Governed publishing…3,167BUSL-1.1
systemprompt-databasePostgreSQL infrastructure for systemprompt.io AI governance. SQLx-backed pool, generic repository traits, and compile-time query…5,096BUSL-1.1
systemprompt-eventsEvent bus, SSE broadcasters, and fan-out routing for systemprompt.io AI governance infrastructure. A2A, analytics, and context…3,220BUSL-1.1
systemprompt-extensionCompile-time extension framework for systemprompt.io AI governance infrastructure. Built on the inventory crate — registers…5,865BUSL-1.1
systemprompt-filesFile storage, metadata, and access control for systemprompt.io AI governance infrastructure. Governed file operations for the MCP…3,259BUSL-1.1
systemprompt-generatorStatic site generation, theme rendering, and asset bundling for systemprompt.io AI governance dashboards. Handlebars and Markdown…2,495BUSL-1.1
systemprompt-identifiersTyped newtype identifiers (UserId, TraceId, AgentId, McpServerId…) for systemprompt.io AI governance infrastructure. Enforces…6,456BUSL-1.1
systemprompt-loaderFile and module discovery infrastructure for systemprompt.io AI governance — manifests, schemas, and extension loading. Separates…3,935BUSL-1.1
systemprompt-loggingTracing and audit infrastructure for systemprompt.io AI governance. Structured events, five-point audit traces, and SIEM-ready…4,694BUSL-1.1
systemprompt-marketplaceMarketplace bounded context for systemprompt.io. Resolves the active marketplace, loads the on-disk catalogue (plugins, skills,…1,565BUSL-1.1
systemprompt-mcpNative Model Context Protocol (MCP) implementation for systemprompt.io. Orchestration, per-server OAuth2, RBAC middleware, and…2,850BUSL-1.1
systemprompt-modelsFoundation data models for systemprompt.io AI governance infrastructure. Shared DTOs, config, and domain types consumed by every…5,746BUSL-1.1
systemprompt-oauthOAuth 2.0 / OIDC with PKCE, token introspection, and audience/issuer validation for systemprompt.io AI governance infrastructure.…2,700BUSL-1.1
systemprompt-provider-contractsProvider trait contracts for systemprompt.io AI governance infrastructure. LlmProvider, ToolProvider, JobContext and friends —…6,345BUSL-1.1
systemprompt-runtimeApplication runtime for systemprompt.io AI governance infrastructure. AppContext, lifecycle builder, extension registry, and…2,914BUSL-1.1
systemprompt-schedulerBackground jobs, cron tasks, and job-extension dispatch for systemprompt.io AI governance infrastructure. Tokio-backed scheduling…2,720BUSL-1.1
systemprompt-securitySecurity infrastructure for systemprompt.io AI governance: JWT, OAuth2 token extraction, scope enforcement, ChaCha20-Poly1305…3,689BUSL-1.1
systemprompt-slackSlack integration for systemprompt.io. Verifies Slack Events API, slash-command, and Block Kit interaction requests, maps Slack…587BUSL-1.1
systemprompt-syncCloud sync services for systemprompt.io AI governance infrastructure. File, database, and crate deployment across governance…2,589BUSL-1.1
systemprompt-teamsMicrosoft Teams integration for systemprompt.io. Validates Azure Bot Service activity tokens, maps Teams users to governed…586BUSL-1.1
systemprompt-template-providerTemplate provider traits for systemprompt.io AI governance infrastructure. Config-as-code foundation for the AI governance…3,015BUSL-1.1
systemprompt-templatesTemplate registry, loading, and rendering for systemprompt.io config-as-code AI governance deployments. Handlebars-powered…2,709BUSL-1.1
systemprompt-traitsTrait-first interface contracts for systemprompt.io AI governance infrastructure. Repository, provider, and service abstractions…5,992BUSL-1.1
systemprompt-usersUser management for systemprompt.io AI governance infrastructure. 6-tier RBAC, sessions, IP bans, and role-scoped access control…3,107BUSL-1.1
systemproxyA library for set/get system proxy. Supports Windows, macOS and linux (via gsettings).130MIT
systemrsystemr pilot.1,364MIT
systemrsSystemRS: a Rust, TLM-only equivalent of SystemC for transaction-level digital twins (facade).79Apache-2.0
systemrs-channelsPrimitive channels for SystemRS: Signal/Buffer/Fifo/Clock with evaluate-update determinism.125Apache-2.0
systemrs-coreModule/elaboration ergonomics for SystemRS: process and sensitivity builders, lifecycle callbacks.134Apache-2.0
systemrs-diagDiagnostics and reporting for SystemRS (severity, actions, Report/ReportError).190Apache-2.0
systemrs-kernelThe SystemRS discrete-event kernel: three-phase delta-cycle scheduler, events, processes, arenas.170Apache-2.0
systemrs-macrosProc-macros for SystemRS: the #[module] attribute that generates module registration boilerplate.91Apache-2.0
systemrs-pdesTier-1 conservative, barrier-synchronous parallel discrete-event simulation (PDES) for SystemRS: quantum-synchronized regions…92Apache-2.0
systemrs-runtimeStackful coroutine backend for SystemRS SC_THREAD processes (corosensei).184Apache-2.0
systemrs-timeInteger simulation time (SimTime) and resolution for SystemRS.180Apache-2.0
systemrs-tlm-utilsTLM-2.0 utilities for SystemRS: quantum keeper, PEQs, AT protocol, LT<->AT adapters, convenience sockets.95Apache-2.0
systemrs-tlm1TLM-1.0 for SystemRS: the analysis sublayer (ports/fifo/triple) for non-intrusive telemetry.90Apache-2.0
systemrs-tlm2TLM-2.0 for SystemRS: generic payload, transport, phases, sockets, and a memory target.115Apache-2.0
systemrs-traceTracing/telemetry for SystemRS: stage-callback sampling, transaction-record sink, off-thread writer.91Apache-2.0
systemrs-twinDigital-twin layer for SystemRS: real-time pacing, external-input gating, seeded RNG, and deterministic replay.91Apache-2.0
systems_designa littlet test3,013ISC
systemstatGet system information/statistics in a cross-platform way4,749,610Unlicense
systemstdA custom embedded terminal handler454MIT
systemview-targetRTOS tracing trait implementation for SEGGER SystemView.7,611MIT
syster-baseCore library for SysML v2 and KerML parsing, AST, and semantic analysis27,417MIT
syster-cliCommand-line interface for SysML v2 and KerML analysis220MIT
syster-lspLanguage Server Protocol implementation for SysML v2244MIT
systeroidA more powerful alternative to sysctl20,386MIT OR Apache-2.0
systeroid-coreCore library of systeroid21,464MIT OR Apache-2.0
systeroid-tuiA terminal user interface for managing kernel parameters19,434MIT OR Apache-2.0
systick-monotonicRTIC Monotonic implementation based on SysTick158,287MIT OR Apache-2.0
systick-timer64-bit SysTick timer for Cortex-M05,164Apache-2.0
systileMatmul-native data structures & algorithms: 17 structures (holographic memory, semiring graphs, automata, attention, DFT,…149MIT OR Apache-2.0
systimePortable timers that handle system sleep consistently.780MIT OR Apache-2.0
systime_converterA library providing one single function: convert a standard-libary SystemTime into the much more user-friendly DateTime format…2,006ISC
systrackTrack system resource usage over custom lapses1,457MIT OR Apache-2.0
systrayRust library for making minimal cross-platform systray GUIs37,841BSD-3-Clause
systray-tiRust library for making minimal cross-platform systray GUIs1,631BSD-3-Clause
systray-utilA library for monitoring and interacting with system tray icons on Windows 10 and 11.2,115MIT
systray2Rust library for making minimal cross-platform systray GUIs1,777BSD-3-Clause
systrayxRust library for making minimal cross-platform systray GUIs1,797BSD-3-Clause
sysunitA minimal state management tool for POSIX systems799 AGPL-3.0-only
sysupA small, lightweight aggregator to perform software updates on local and remote systems29BSD-2-Clause OR MIT
sysuriA cross-platform crate for registering custom URIs with the OS2,928MIT
sysutilLinux system utils library35,040AGPL-3.0-or-later
sysutils-https-rustSystem Utilities MCP HTTP transport in Rust23MIT
sysutils-local-rustSystem Utilities MCP HTTP transport in Rust39MIT
sysutils-rustSystem Utilities MCP in Rust22MIT
sysutils-stdio-rustSystem Utilities MCP Stdio transport in Rust22MIT
sysutils-stdiokey-rustSystem Utilities with API Key MCP Stdio transport in Rust58MIT
sysvmqA simple API for SysV IPC message queues.2,608GPL-3.0-or-later
syswallsyswall: a firewall for syscalls4,119LGPL-3.0-only
syswall_clisyswall_cli: a simple CLI to syswall3,098LGPL-3.0-only
syswatchSingle-host, read-only system diagnostics TUI. Twelve tabs covering CPU, memory, disks, processes, GPU, power, services, network,…872MIT
sytHackish things for serde_yml.917MIT OR Apache-2.0
syter6-rustfulA simple web framework for routing requests2,004MIT OR Apache-2.0
syueA simple reader for csv4,298MIT
syunitA small library that contains some basic units to help structuring kinematics and robotic programming in rust16,457non-standard
syxpackHelpers for processing MIDI System Exclusive messages.28,037MIT
syzInteractive CLI to explore and visualize file and directory sizes99MIT
syzeclie to view the size of files and folders in the current directory2,667MIT
syzlang-dataSyzlang data already parsed10,800non-standard
syzlang-parserParse Syzlang language9,735non-standard
syzygyNext-gen todo library.7,591GPL-2.0 OR GPL-3.0
syzygy-appNext-gen todo app.1,675GPL-2.0 OR GPL-3.0
szsz32MIT
sz-cliDisk usage CLI.1,477MIT
sz-orm-aiSZ-ORM AI Extension - Embedding, Vector Store, RAG Engine17MIT
sz-orm-auditSQL audit log: execution audit trail with case-insensitive sensitive-keyword masking (password/token/credit_card) and JSON flush14MIT
sz-orm-authSZ-ORM Authentication & Authorization Extension20MIT
sz-orm-backBackup/restore: SQL dump/load, incremental backup, SHA-256 verification14MIT
sz-orm-batchBatch: multi-value INSERT, CASE WHEN UPDATE, ON CONFLICT upsert with chunking14MIT
sz-orm-configConfig management: multi-source (file/env/etcd/consul) with hot-reload14MIT
sz-orm-coreCore ORM engine: Model trait, ActiveRecord, QueryBuilder, Pool, Transaction, migration, and SQL dialect abstraction25MIT
sz-orm-cryptoSZ-ORM Crypto Extension - Encryption, password hashing, and API signing12MIT
sz-orm-healthHealth check & SLO alerting: pool status aggregation, p50/p95/p99 latency, failover policy, circuit breaker, multi-region view,…14MIT
sz-orm-limitRate limiting: token bucket, sliding window, per-user/IP/endpoint quotas20MIT
sz-orm-loggerStructured logger: multi-level (Debug/Info/Warn/Error) filtering with shared sink, LoggerFactory, and counters/gauges metrics20MIT
sz-orm-macrosProcedural macros: Model derive, sql_string!, query! and code gen helpers26MIT
sz-orm-maskingData masking: Unicode-safe masking for phone/email/IdCard/bankCard/name/address with custom prefix-suffix rules14MIT
sz-orm-migDB migration: versioned schema migrations, up/down scripts, status tracking14MIT
sz-orm-mqttSZ-ORM MQTT Extension20MIT
sz-orm-observabilitySZ-ORM 可观测性模块:Prometheus exporter + OTLP exporter + SLO 燃烧率 + Grafana 仪表盘模板14MIT
sz-orm-postgisSZ-ORM PostGIS Extension - PostgreSQL PostGIS spatial geometry queries14MIT
sz-orm-query-builderType-safe query builder AST with dialect-aware SQL rendering12MIT
sz-orm-queueSZ-ORM Message Queue Extension - 6 MQ Providers (RabbitMQ/NATS/Pulsar/Kafka/ActiveMQ real, RocketMQ stub)20MIT
sz-orm-schedulerSZ-ORM Scheduler Extension - Task scheduling with cron support20MIT
sz-orm-searchSZ-ORM Search Extension - Multi-provider full-text search (ES/OpenSearch/Meilisearch)14MIT
sz-orm-sql-validatorRuntime SQL validation: SELECT-only, injection detection, type checking26MIT
sz-orm-sqlxsqlx adapter: MySQL, PostgreSQL, SQLite backend via sqlx crate14MIT
sz-orm-storageSZ-ORM Storage Extension - 7 Cloud Storage Providers20MIT
sz-orm-swaggerOpenAPI/Swagger spec generator: path/method/parameter/response builder, self-contained Swagger UI HTML rendering14MIT