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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.

varint_coreVarInt core types353MIT Data structures Web programming varint_deriveVarInt derive implementation360MIT Data structures Web programming varintbufvarinteger encoding/decoding with bytes1,703MIT OR Apache-2.0 varintege-rsVarInt derive implementation358MIT Data structures Web programming varintegerRust module for encoding/decoding varints that doesn't do any IO. Inspired by the Node.js varint module507,937MIT varintrsA Rust implementation of Golang Variable-Length Integers9,651MIT varion텍스트 기반 DSL로 구성된 대화 시스템 파싱 라이브러리1,180MIT Game development Text processing various-rust-utilsSome helpers for rust projects6,394MIT Command line utilities various_data_fileStore a dainary datas in a file. Use mmap, optimize fragments on delete, and reference identical strings.66,378MIT/Apache-2.0 Algorithms Caching varisatA CDCL based SAT solver (library)7,334,589MIT/Apache-2.0 varisat-checkerProof checker for proofs generate by the Varisat SAT solver7,330,815MIT/Apache-2.0 varisat-cliA CDCL based SAT solver (command line solver)4,708MIT/Apache-2.0 varisat-dimacsDIMCAS CNF parser and writer for the Varisat SAT solver7,362,065MIT/Apache-2.0 varisat-formulaBasic formula data types used by the Varisat SAT solver7,363,218MIT/Apache-2.0 varisat-internal-macrosInternal macros for the Varisat SAT solver7,346,439MIT/Apache-2.0 varisat-internal-proofInternal proof format for the Varisat SAT solver7,346,871MIT/Apache-2.0 varisat-lratLRAT proof generation for the Varisat SAT solver4,279MIT/Apache-2.0 varisat-utilsUtilities for varisat, adding at-most one and exactly-one constraints2,715MIT OR Apache-2.0 variterDeclarative macro-derivable trait for iterating over field-less enum type variants14,438MIT OR Apache-2.0 Development tools No standard library variyakmacro to help call variadic functions given a container such as a Vec4,458MIT OR Apache-2.0 Development tools::FFI varjUltra-lightweight string templating library. No Dependencies11,021MIT OR Apache-2.0 Template engine varlenErgonomic variable-length types6,610BSD-3-Clause Data structures varlen_exampleErgonomic variable-length types, example generated code2,723BSD-3-Clause varlen_macroErgonomic variable-length types, procedural macros7,381BSD-3-Clause varlinkClient and server support for the varlink protocol.3,251,395MIT OR Apache-2.0 Development tools Network programming varlink-clivarlink command line tool39,253MIT OR Apache-2.0 varlink-language-serverLanguage Server for Varlink31GPL-3.0 varlink_deriveRust code generator macro for the varlink protocol.4,125MIT OR Apache-2.0 varlink_generatorRust code generator for the varlink protocol.36,023MIT OR Apache-2.0 Development tools Network programming varlink_parserA crate for parsing varlink interface definition files.61,757MIT OR Apache-2.0 Development tools Parsing tools varlink_stdinterfacesvarlink common interfaces22,382MIT OR Apache-2.0 varlink_systemdRust library for interacting with systemd over varlink1,005MIT OR Apache-2.0 varlinkervarlinker for human genomics1,146MIT varlinkfmtFormatter for Varlink (CLI tool)99MIT Command line utilities Development tools varlinkfmt-coreFormatter for Varlink164MIT Development tools varlinkfsA FUSE filesystem providing variant symlinks that resolve based on process environment variables25MIT Filesystem varlociraptorA library for calling of genomic variants using a latent variable model.146,223GPL-3.0 varma_mycrateA library for modelling concepts808MIT varmapFast, heterogeneous key-value maps for Rust. Store mixed types (integers, strings, bytes, custom structs) under a single key…41MIT Algorithms Caching varmap_proc_macroProcedural macros for the varmap library.67MIT Development tools::Procedural macro helpers varmintA Rust implementation of the varint codec as used in Google's Protocol Buffers20,851MIT/Apache-2.0 varnaVarna — multilingual language engine: phoneme inventories, G2P rules, scripts, grammar, and lexicon for 50+ languages439GPL-3.0-only Science Text processing varnamerA tool that solves the naming problem1,484MIT Command line utilities varnishA Rust framework for creating Varnish Caching Proxy extensions104,778BSD-3-Clause API bindings varnish-macrosA Rust framework for creating Varnish Caching Proxy extensions74,992BSD-3-Clause API bindings varnish-sysA Rust framework for creating Varnish Caching Proxy extensions106,042BSD-3-Clause API bindings varnishslogReads Varnish Cache VSL (binary) log stream and produces structured log records in JSON format15,119MIT Command line utilities varnishslog-typesSerde types for varnishslog output10,239MIT Parser implementations varoonXSS parameter reflection scanner written in Rust58MIT varpathTODO4,384MIT OR Apache-2.0 varproA straightforward nonlinear least-squares fitting library which uses the Variable Projection algorithm.287,771MIT Algorithms Mathematics varpulisRust stream processing engine for real-time detection. Apache Flink alternative for detection engineering, fraud prevention, and…51MIT OR Apache-2.0 Command line utilities Development tools varpulis-actorsLightweight actor framework with supervision and health observation for Varpulis166MIT OR Apache-2.0 varpulis-cliCLI for Varpulis — Rust stream processing engine for real-time detection, fraud prevention, and MITRE ATT&CK coverage. Apache…153MIT OR Apache-2.0 Command line utilities Development tools varpulis-clusterDistributed execution cluster for Varpulis streaming analytics241MIT OR Apache-2.0 varpulis-connector-apiShared traits and types for Varpulis connector crates1,027MIT OR Apache-2.0 varpulis-connector-cdcPostgreSQL CDC (Change Data Capture) connector for Varpulis CEP engine174MIT OR Apache-2.0 varpulis-connector-databaseDatabase connector (PostgreSQL, MySQL, SQLite) for Varpulis CEP engine228MIT OR Apache-2.0 varpulis-connector-elasticsearchElasticsearch connector for Varpulis CEP engine173MIT OR Apache-2.0 varpulis-connector-httpHTTP connector for Varpulis CEP engine454MIT OR Apache-2.0 varpulis-connector-kafkaKafka connector for Varpulis CEP engine223MIT OR Apache-2.0 varpulis-connector-kinesisAWS Kinesis connector for Varpulis CEP engine175MIT OR Apache-2.0 varpulis-connector-mqttMQTT connector for Varpulis CEP engine282MIT OR Apache-2.0 varpulis-connector-natsNATS connector for Varpulis CEP engine224MIT OR Apache-2.0 varpulis-connector-pulsarApache Pulsar connector for Varpulis CEP engine174MIT OR Apache-2.0 varpulis-connector-redisRedis connector for Varpulis CEP engine227MIT OR Apache-2.0 varpulis-connector-s3AWS S3 connector for Varpulis CEP engine176MIT OR Apache-2.0 varpulis-connector-slackSlack webhook connector for Varpulis kill chain detection engine120MIT OR Apache-2.0 varpulis-connector-splunkSplunk HEC input connector for Varpulis kill chain detection engine123MIT OR Apache-2.0 varpulis-connector-syslogSyslog CEF/LEEF connector for Varpulis kill chain detection engine124MIT OR Apache-2.0 varpulis-connectorsConnector implementations for Varpulis (MQTT, Kafka, NATS, HTTP, etc.)554MIT OR Apache-2.0 varpulis-coreCore types and AST for VPL1,652MIT OR Apache-2.0 varpulis-datagenEvent generator library for Varpulis demos and testing346MIT OR Apache-2.0 varpulis-dbPostgreSQL database layer for Varpulis Cloud229MIT OR Apache-2.0 varpulis-dead-letterDead letter queue for events that fail sink delivery527MIT OR Apache-2.0 varpulis-engine-wasmFull Varpulis CEP engine compiled to WebAssembly — parse VPL, process events, get outputs48MIT OR Apache-2.0 Data structures WebAssembly varpulis-enrichmentExternal connector enrichment providers for VPL streams489MIT OR Apache-2.0 varpulis-hamletShared online trend aggregation for streaming event detection — SIGMOD 2021 graphlet-sharing algorithm. Part of the Varpulis…533MIT OR Apache-2.0 Algorithms Data structures varpulis-lspLanguage Server Protocol implementation for VPL149MIT OR Apache-2.0 varpulis-mcpMCP server exposing Varpulis CEP engine to AI agents153MIT OR Apache-2.0 varpulis-parserParser for VPL — the Varpulis Pattern Language for streaming event detection.703MIT OR Apache-2.0 Development tools Parser implementations varpulis-pstProbabilistic Suffix Tree for real-time streaming event forecasting and sequence prediction. Part of the Varpulis stream…522MIT OR Apache-2.0 Algorithms Data structures varpulis-runtimeRuntime execution engine for Varpulis — Rust stream processing with pattern matching, forecasting, and real-time detection.481MIT OR Apache-2.0 Data structures Development tools varpulis-sasePattern matching engine for streaming event detection — Kleene closures, negation, temporal sequences, NFA-based. Part of the…527MIT OR Apache-2.0 Algorithms Data structures varpulis-simdSIMD-optimized operations for high-performance event processing524MIT OR Apache-2.0 varpulis-wasmWASM bindings for VPL parser and validator156MIT OR Apache-2.0 varpulis-zddZero-suppressed Decision Diagrams for efficient set manipulation in CEP patterns614MIT OR Apache-2.0 varroA persistent, robust, and composable proposal service for rollup stacks.1,599MIT varsvariadic & functional programming via tuple2,773MIT vars_macromarco helper2,161MIT varsetan any type set of items2,711non-standard Data structures varsigVarsig signature metadata46Apache-2.0 Cryptography varstackA call-stack based singly-linked list7,570MIT OR Apache-2.0 varsubstHigh-performance variable substitution library with single-pass parsing8,936MIT OR Apache-2.0 Parsing tools Text processing varsunvarsun provides shell/command-prompt like variable substition functions.3,978MIT vartAn immutable versioned adaptive radix trie.1,429,638Apache-2.0 varta-clientVarta agent API — emits VLP frames over a Unix Domain Socket.37MIT OR Apache-2.0 Embedded development Network programming varta-vlpVarta Lifeline Protocol — 32-byte fixed-layout health frame.98MIT OR Apache-2.0 Embedded development Network programming varta-watchVarta observer — receives VLP frames and surfaces stalls.39MIT OR Apache-2.0 Command line utilities Network programming vartyintRead & Write varint encoded integers9,849MIT OR Apache-2.0 varu64A variable length encoding for unsigned 64 bit integers.54,760AGPL-3.0 varuintVariable length signed and unsigned integer types95,154MIT Compression Data structures varurlvarurl12,451MulanPSL-2.0 varvedbA high-performance, embedded, append-only event store for Rust.328MPL-2.0 Data structures Database implementations varviewsam variant visualizer76MIT varweeks_millis2023 new date time units and formats: varweeks and millis3,254MIT Date and time varyVariadics in rust using proc macros!1,511MIT vary-headerAppend field names to an HTTP Vary header correctly (dedup, case-insensitive, '*' handling). A faithful port of the vary npm…21MIT OR Apache-2.0 No standard library Web programming varysShorten a URL using http://is.gd/1,965MIT varzA simple CLI for managing environment variables — search, set, and persist without session restarts43MIT Command line utilities vasariIntent attribution for autonomous coding agents — `git blame` for what your agent was thinking.37Apache-2.0 Command line utilities Development tools vasari-coreContent-addressed intent-graph library behind Vasari — intent attribution for autonomous coding agents.50Apache-2.0 Development tools Development tools::Debugging vaserveStatic file serving and directory listing - a Rust clone of vercel/serve27MIT vaskAsk questions about YouTube videos with Gemini's native video understanding19MIT Command line utilities Multimedia::Video vasmVisualize 8086 assembly execution in your terminal21MIT OR Apache-2.0 Command line utilities Development tools::Debugging vasp-poscarread and write VASP POSCAR files18,300MIT/Apache-2.0 Filesystem Parsing tools vaspchg_rsA lib to parse VASP's charge density file.3,825Apache-2.0 vasputilsA useful VASP tools to help your research accelerate4,464MIT Command line utilities vastVerilog AST library53,025Apache-2.0 Data structures Development tools vast-protocolVAST protocol v4 parser on top of serde-rs4,654non-standard Parsing tools vast4An implementation of VAST 4.2 FINAL.1,575MIT OR Apache-2.0 API bindings vast4-rsAn implementation of VAST 4.2 FINAL.10,447MIT API bindings vastarHTTP load generator. Fast, zero-copy, raw TCP. Alternative to hey, oha, wrk.242MIT OR Apache-2.0 Command line utilities Web programming vasterRaster grid logic: geotransforms, cell indexing, extent-dimension arithmetic. No data, no dependencies.109MIT OR Apache-2.0 Mathematics Science::Geospatial vastlint-cliVAST XML validator and inspector — validate, inspect wrapper chains, and auto-fix IAB VAST 2.0–4.3 ad tags845Apache-2.0 Command line utilities Development tools vastlint-coreVAST XML validator, SIMID linter, OMID validator, and VPAID detector. IAB VAST 2.0–4.3, 195 rules, pure Rust2,422Apache-2.0 Development tools Parser implementations vastrumVastrum protocol crate (placeholder)25MIT vastrum-abiVastrum protocol crate (placeholder)26MIT vastrum-abi-codegenVastrum protocol crate (placeholder)23MIT vastrum-bindings-guestVastrum protocol crate (placeholder)24MIT vastrum-bindings-hostVastrum protocol crate (placeholder)24MIT vastrum-contract-macrosVastrum protocol crate (placeholder)22MIT vastrum-frontend-libVastrum protocol crate (placeholder)23MIT vastrum-libVastrum protocol crate (placeholder)23MIT vastrum-native-libVastrum protocol crate (placeholder)25MIT vastrum-native-typesVastrum protocol crate (placeholder)23MIT vastrum-nodeVastrum protocol crate (placeholder)23MIT vastrum-rpc-clientVastrum protocol crate (placeholder)24MIT vastrum-runtime-libVastrum protocol crate (placeholder)25MIT vastrum-runtime-sharedVastrum protocol crate (placeholder)23MIT vastrum-sdkVastrum protocol crate (placeholder)24MIT vastrum-shared-typesVastrum protocol crate (placeholder)23MIT vastrum-webrtc-direct-protocolVastrum protocol crate (placeholder)23MIT vastrum-webrtc-direct-serverVastrum protocol crate (placeholder)23MIT vasuAnkit Chaubey's personal power toolkit — blazing fast file ops, clipboard magic & more25MIT Command line utilities vasystem-apiVASystem API client2,748MIT vasystem-api-grpcVASystem API gRPC9,585MIT vatVAT number validation and VAT rates for the EU2,671MIT vat-cliVersioned, addressable task backlog as plain markdown — claim, track, and complete tasks from the CLI.33MIT OR Apache-2.0 Command line utilities Development tools vat-viewerA semantic file viewer that renders files in the most intuitive terminal view51MIT Command line utilities Visualization vat_id_validatorA comprehensive library for validating VAT numbers, including format and checksum verification for 30+ countries.293MIT Finance Localization (L10n) vat_jpvat_jp calculates consumption tax (incl. sales tax, VAT, excise duty, etc.) in Japan.3,923MIT Finance vat_phA library for calculating VAT in the Philippines.489MIT Finance vatcheckapiRust client for vatcheckapi.com (status, validate)282MIT vatesA local-model inference seam: the InferenceProvider trait, capability descriptors, and a deterministic canned provider.…25MIT OR Apache-2.0 API bindings Science vatfluidUTF-8 slice validation, with incomplete results to support byte streams.7,065MIT/Apache-2.0 vatsim_utilsUtilities to interact with VATSIM data15,123MIT OR Apache-2.0 API bindings vauban-claimVauban Claim Algebra — reference implementation of draft-vauban-claim-algebra-00 (post-quantum claim sextuplet + 5 composition…18Apache-2.0 OR MIT Cryptography Data structures vauban-claim-verifierForensic verifier for Vauban Claim Algebra (OSS-13). Offline, zero-Vauban-dependency, Apache 2.0.21Apache-2.0 OR MIT Command line utilities Cryptography vauban-x402-canonicalCanonical preimage SDK helpers for x402 STARK receipts ; typed JCS (RFC 8785) wrappers over serde_jcs for payment_hash,…20Apache-2.0 vauban-x402-jcs-conformanceReference 5th-implementation runner for JCS (RFC 8785) preimage discipline in x402 STARK Receipt Format Extension…36Apache-2.0 Cryptography Encoding vauban-x402-wirex402 V2 wire format types : PaymentRequired, PaymentSignature, PaymentResponse, ReceiptFormat, PrivacyClass, SettledPaymentRef,…37Apache-2.0 vaultA parser for Company of Heroes replay files.63,964MIT vault-apiVault API library7,772Apache-2.0/MIT vault-audit-toolsHigh-performance command-line tools for analyzing HashiCorp Vault audit logs with intelligent ephemeral entity detection1,746MIT OR Apache-2.0 Command line utilities Development tools vault-cliA cli tool for password based encryption/decryption4,702MIT Command line utilities Cryptography vault-client-rsA Rust client for the HashiCorp Vault HTTP API321Apache-2.0 OR MIT API bindings Authentication vault-client-rs-testTest utilities for vault-client-rs25Apache-2.0 OR MIT vault-conductorAn SSH Agent to provide an SSH key stored in Bitwarden Secret Manager27MIT vault-corePassword based encryption/decryption3,391MIT Command line utilities Cryptography vault-credentialsRust Library that fetch secrets from Vault and load them as environment variables.9,968MIT OR Apache-2.0 vault-injectorVault secrets injector for Docker Compose and more1,196MIT vault-mgmtManage your vault installation in Kubernetes (upgrades, unseal, step-down, ...).3,444MIT Command line utilities vault-ordbokUtility for injecting Vault values in k8s manifests and helm charts1,687BSD-3-Clause vault-sdkMinimal-dependency external SDK for reading Bankineco vault program state52MIT OR Apache-2.0 vault-tasks-corevault-tasks-core5,630MIT Parsing tools vault-tasks-tuiTUI Markdown Task Manager78MIT Command line utilities Visualization vault-varsA tool to fetch secrets from Hashicorp Vault and inject them into variable files for hashicorp terraform3,902AGPL-3.0 vault_clientA client library for HashiCorp Vault8,911Apache-2.0/MIT Authentication vault_iam_authHashiCorp Vault authentication for the AWS IAM engine3,682MIT API bindings Authentication vault_vcsA simplified version control system built in Rust for local files, quite similar to how git functions.2,775MIT VaultAPI-ClientClient application for VaultAPI server.2,301MIT Algorithms Authentication vaultarqRust SDK for Vaultarq - The developer-first, invisible secrets manager3,915MIT Authentication Configuration vaultdbDatabase-like operations on Obsidian markdown files with YAML frontmatter208MIT Command line utilities Database interfaces vaultdb-coreLibrary engine for vaultdb — markdown-as-database for Obsidian-style vaults373MIT Database interfaces Filesystem vaultdb-mcpModel Context Protocol server exposing vaultdb-core to LLM agents190MIT Command line utilities Database interfaces vaultdb-ormTyped model layer over vaultdb-core — declare a struct, query it like a database row21MIT Data structures Database interfaces vaultdb-orm-macrosProc-macro support for vaultdb-orm — generates Note impls from struct definitions49MIT Database interfaces Development tools::Procedural macro helpers vaultedVaulted is a complete password management utility.7,137MIT vaultenatorAn opinionated base vault implementing CosmWasm Vault Standard using Tokenfactory21,996MIT OR Apache-2.0 WebAssembly vaulticSecure your secrets. Sync your team. Trust your configs.134AGPL-3.0-or-later Command line utilities Cryptography vaultickSQLite-backed secret storage with RSA-wrapped encryption keys85MIT vaultick-binCLI for secure secret storage and process injection with vaultick35MIT vaultick-requestShared HTTP request engine, placeholder resolution, and response redaction for vaultick87MIT vaultierCrate to write and read secrets from Hashicorp Vault.10,971MIT vaultimeTime utilities for vault-like workflows22MIT vaultkeeper-cliNative CLI binary for vaultkeeper27MIT vaultkeeper-coreCore library for vaultkeeper — unified, policy-enforced secret storage32MIT vaultkeyA secure and customizable password generator library for Rust, designed to create strong, random passwords with various…3,561MIT Algorithms Authentication vaultmuxUnified async interface for password managers and cloud secret vaults - write once, support pass, Bitwarden, AWS, GCP, Azure37MIT OR Apache-2.0 API bindings Asynchronous