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.
polAn interactive Reverse Polish Notation (RPN) calculator95GPL-3.0
pol_exportExporter for Windows Registry Policy Files5,121GPL-3.0
polaSilent Assassin TUI for searching skins, checking values, and finding owners!2,657MIT
polakoDefine the Bevy tree with `eml!`, style it using a very-css-like `ess` syntax and relate data data with `bind!` and `connect!`4,023MIT OR Apache-2.0
polarA command-line calculator that can also convert between units.3,396MIT OR Apache-2.0
polar-apiGenerated API types and operations for the Polar API31Apache-2.0
polar-arcticAn app for displaying and storing data from the Polar H102,715Apache-2.0
polar-bear-arc-forge-defiARC Forge DeFi platform - Solana token launch with sniper-bot prevention and deep initial liquidity, powered by Rig (ARC) AI…49MIT OR Apache-2.0
polar-bear-biochipBio-chip intelligence framework: multi-sensor EEG+motion fusion + rig-core LLM orchestration + ECDSA-signed data provenance34MIT OR Apache-2.0
polar-bear-hft-cryptoCryptographic signing layer for high-frequency trading: ECDSA/Ed25519 forward-engineering + 7-exchange API authentication71MIT OR Apache-2.0
polar-bear-rig-hftLLM-driven high-frequency trading platform on Solana - PEV loop, Smart Order Routing, SignerContext keypair isolation, and AVM…70MIT OR Apache-2.0
polar-bear-rig-onchainrig-onchain-kit agent: Solana balance query → Jupiter swap (dry-run) → SignerContext isolation. Testnet only.35MIT OR Apache-2.0
polar-c-apiComing soon1,718Apache-2.0
polar-corePolar core library for oso, an open source policy engine for authorization that’s embedded in your application906,649Apache-2.0
polar-prostProtobuf bindings to interact with Polar watches2,588MIT
polar-rsPolar client library for Rust3,023MIT
polar-runtimeHTTP client runtime and webhook utilities for the Polar API60Apache-2.0
polar-sdkPolar SDK for Rust1,839MIT
polar-shRust SDK for the Polar API21Apache-2.0
polar-wasmComing soon1,674Apache-2.0
polar-wasm-apiComing soon1,676Apache-2.0
polar_codecA Rust implementation of polar codes, a class of error-correcting codes that achieve the capacity of symmetric binary-input…130MIT
polarangesRust-first genomic range operations on top of Polars DataFrames22MIT
polarbearPolar bears' panel for wayland3,959GPL-3.0-only
polarisCrate name reserved for distribution of https://github.com/agersant/polaris1,941MIT
polaris-aiA unified agent runtime where agent patterns are first-class, composable, and optimizable abstractions.684Apache-2.0
polaris-apiRust API client library for Black Duck Polaris.179MIT
polaris-cliCommand-line client for Black Duck Polaris workflows.42MIT
polaris-configLightweight Rust SDK used as Proxyless Service Governance.2,961MIT OR Apache-2.0
polaris-coreLightweight Rust SDK used as Proxyless Service Governance.2,993MIT OR Apache-2.0
polaris-dataRust SDK for the Polaris market data API.133MIT
polaris-grpcgrpc-rust integrates with polaris-rust.1,530MIT OR Apache-2.0
polaris-ratelimitLightweight Rust SDK used as Proxyless Service Governance.2,961MIT OR Apache-2.0
polaris-registryLightweight Rust SDK used as Proxyless Service Governance.2,979MIT OR Apache-2.0
polaris-routerLightweight Rust SDK used as Proxyless Service Governance.2,962MIT OR Apache-2.0
polaris-rsLightweight Rust SDK used as Proxyless Service Governance Solution.2,664MIT OR Apache-2.0
polaris-rustLightweight Rust SDK used as Proxyless Service Governance Solution.4,824MIT OR Apache-2.0
polaris-specificationService Governance Specification.48,549MIT OR Apache-2.0
polaris_agentAgent trait for defining reusable behavior patterns in Polaris.821Apache-2.0
polaris_appShared HTTP server runtime for Polaris products.876Apache-2.0
polaris_core_pluginsCore infrastructure plugins for Polaris.850Apache-2.0
polaris_dashboardA web dashboard for Polaris.251Apache-2.0
polaris_graphGraph execution primitives for Polaris (Layer 2).1,049Apache-2.0
polaris_internalInternal re-export layer for Polaris (use polaris-ai instead).712Apache-2.0
polaris_macro_utilsShared utilities for Polaris procedural macro crates.1,480Apache-2.0
polaris_model_providersModel provider implementations for Polaris760Apache-2.0
polaris_modelsModel provider interface and registry for Polaris1,018Apache-2.0
polaris_sessionsSession management and orchestration for Polaris agents.760Apache-2.0
polaris_shellShell command execution for Polaris agents753Apache-2.0
polaris_systemA lightweight ECS-inspired system framework for Polaris.1,296Apache-2.0
polaris_system_macrosMacros for polaris_system crate.1,366Apache-2.0
polaris_toolsTool framework for Polaris agents902Apache-2.0
polaris_zkZK-SNARK Merkle-inclusion prover/verifier for the Polaris Identity Token System (M2-1 / R10-1). Plonky2 + Poseidon.…18Apache-2.0
polarisdbPolarisDB - an embedded vector database for local AI and RAG workloads159MIT OR Apache-2.0
polarisdb-coreCore library for PolarisDB - an embedded vector database for local AI241MIT OR Apache-2.0
polaritonRust parser for Photon packets1,445GPL-3.0-only
polariton_serverServer functionality for the Photon packet system1,223GPL-3.0-only
polarityWIP1,256MIT
polarizationSimulate the polarization of a laser beam11,060MIT OR Apache-2.0
polarpowerPower system modeling, simulation and analysis using Polars and Powers1,506BSD-3-Clause
polarquantRust implementation for Walsh-Hadamard rotation + polar coordinate quantization for LLM weight and KV cache compression19MIT OR Apache-2.0
polarsDataFrame library based on Apache Arrow13,150,560MIT
polars-ad-hocUtilities for Polars2,667MIT
polars-aiA CLI and a library for interacting with Polars DataFrames using natural language queries and AI.3,844MIT
polars-algoAlgorithms built upon Polars primitives73,817MIT
polars-arrowMinimal implementation of the Arrow specification forked from arrow213,516,315MIT AND Apache-2.0
polars-arrow-formatUnofficial flatbuffers and tonic code of Apache Arrow spec7,030,735Apache-2.0
polars-asyncAsync runtime and utilities of the Polars project.128,030MIT
polars-bufferData buffers for the Polars DataFrame library577,286MIT
polars-cliCLI interface for running SQL queries with Polars as backend13,427MIT
polars-computePrivate compute kernels for the Polars DataFrame library7,055,193MIT
polars-configRuntime configuration for the Polars project.128,938MIT
polars-coreCore of the Polars DataFrame library13,466,234MIT
polars-dtypeLow-level datatype definitions of the Polars project.1,820,183MIT
polars-errorError definitions for the Polars DataFrame library13,451,244MIT
polars-exprPhysical expression implementation of the Polars project.5,968,555MIT
polars-fastjsonLenient, schema-aware JSON projection for Polars141MIT
polars-ffiFFI utils for the Polars project.646,081MIT
polars-formulaHigh-performance formula parsing and materialization library for Polars DataFrames with R/Formulaic/Patsy style syntax4,507MIT
polars-fuzzyFuzzy search expressions for Polars17MIT
polars-helpersA collection of helper functions for the Polars data manipulation library2,782MIT
polars-ioIO related logic for the Polars DataFrame library13,205,905MIT
polars-jsonJSON related logic for the Polars DataFrame library3,084,349MIT
polars-jsonschema-bridgeBidirectional conversion between JSON Schema and Polars DataTypes5,588MIT
polars-lazyLazy query engine for the Polars DataFrame library12,985,147MIT
polars-mem-engineIn memory engine of the Polars project.5,727,613MIT
polars-mongoConnector to read polars dataframes from mongodb collections2,811MIT
polars-oocOut-of-core processing support for Polars104,637MIT
polars-opsMore operations on Polars data structures12,956,931MIT
polars-parquetApache Parquet I/O operations for Polars6,849,692MIT AND Apache-2.0
polars-parquet-formatSafe Parquet and Thrift reader and writer (sync and async)5,450,118MIT AND Apache-2.0
polars-pipeLazy query engine for the Polars DataFrame library9,822,992MIT
polars-planLazy query engine for the Polars DataFrame library12,751,181MIT
polars-protobufAutomatic polars-structpath implementations for Protocol Buffer messages58MIT
polars-pythonEnable running Polars workloads in Python14,244MIT
polars-qfA quant factor plugin for polars.901Apache-2.0
polars-readlinesA util for fast reading lines of files into Polars1,133BSL-1.0
polars-readstat-rsPure Rust readers for SAS, Stata, and SPSS with Polars and Arrow outputs795MIT
polars-redisRedis IO plugin for Polars58MIT OR Apache-2.0
polars-rowRow encodings for the Polars DataFrame library12,767,394MIT
polars-row-deriveMacro to help convert an interator of structs into a DataFrame2,521MIT
polars-rows-iterLibrary for easy and convenient row iteration of polars dataframes25,141MIT
polars-rows-iter-deriveSub crate for polars-rows-iter25,376MIT
polars-schemaPrivate crate for schema utilities for the Polars DataFrame library5,678,752MIT
polars-serdedeserialize from polars295MIT
polars-sqlSQL transpiler for Polars. Converts SQL to Polars logical plans11,557,688MIT
polars-sqliteRust sqlite3 traits for polars dataframe9,379MIT
polars-streamPrivate crate for the streaming execution engine for the Polars DataFrame library5,075,055MIT
polars-structpathA library for dynamically accessing nested Rust structures using path notation136MIT
polars-structpath-deriveDerive macros for polars-structpath215MIT
polars-structpath-typesCommon objects for polars-structpath and polars-structpath-derive25MIT
polars-taPolars Series interface for technical indicators — native Polars integration, aligned with ta-lib33MIT
polars-ta-classicPure-Rust reimplementation of pandas-ta-classic: 150 technical-analysis indicators + 62 candlestick patterns using Polars 0.4630MIT
polars-ta-corePure algorithm layer for polars-ta: technical indicators as &[f64] functions, no_std compatible87MIT
polars-testingTesting suite for the Polars DataFrame library18,993MIT
polars-timeTime related code for the Polars DataFrame library12,829,677MIT
polars-utilsPrivate utils for the Polars DataFrame library13,906,385MIT
polars-viewA fast and interactive viewer for CSV, Json and Parquet data.47,221MIT
polars_arrow_rvsry99dxRust implementation of Apache Arrow1,907Apache-2.0
polars_bsonProvides a BsonReader similar to Polars' JsonReader to read in a cursor of MongoDB Bson documents
from a collection and a find…635MIT
polars_excel_writerA Polars extension to serialize dataframes to Excel xlsx files49,055MIT OR Apache-2.0
polars_gdalRead and write GDAL-compatible geospatial data into Polars and GeoPolars.1,709MIT
polarsmongo2Connector to read polars dataframes from mongodb collections with full projection pushdown, including nested fields, and…199MIT
polarstegoRust implementation of binary Steganographic Polar Codes150MIT
polarsxyplaceholder crate to reserve name18MIT
polarway-busGeneric, domain-agnostic event bus with fan-out, filtering, and drain buffers21MIT
polarway-grpcgRPC server for Polarway Railway-Oriented Data Processing20MIT
polarway-lakehouseDelta Lake storage layer for Polarway — ACID transactions, time-travel, audit logging, and user management21MIT
polarway-sourcesNetwork-native data sources (WebSocket, REST, gRPC) for streaming into Arrow RecordBatches19MIT
poldercastPeer to Peer topology management135,930MIT OR Apache-2.0
poleFlat tree data structure, as in branchless (pole) tree.1,518MIT
pole-specificationService Governance Specification.662MIT OR Apache-2.0
polentaA toy language about polynomials over finite-fields2,066MIT
polestarDummy package1,558Apache-2.0
polestar-apiA lightweight Rust wrapper for the Polestar vehicle GraphQL API51MIT OR Apache-2.0
polhemus_viperA Rust library for the Polhemus Viper electromagnetic tracking system.93MIT OR Apache-2.0
poli-pagePoli Page SDK for Rust — render PDFs from HTML templates via the Poli Page API17MIT OR Apache-2.0
polibRead, manipulate and store translation data in GNU gettext PO format.1,641,243MIT
policiesExecute stored policies and flows over REST using API keys67MIT
policyRust Policy Framework2,551Apache-2.0/MIT
policy-bridgePackage to run inference for the Trained RL Policy54Apache-2.0
policy-coreCompile-time policy enforcement and taint tracking framework for Rust59MIT
policy-dslTiny policy DSL for the tool-approval gate (R295-F6). Parse and evaluate 'tool:git && subcmd:[push] => deny' rules against a…21MIT OR Apache-2.0
policy-enginePolicy Engine allows to dynamically evaluate and enforce policies easily.1,214AGPL-3.0
policy-rsPolicy library for working with protobuf-defined policy objects1,031Apache-2.0
policyaiPolicyAI provides a mechanism for unstructured, composable policies that transform unstructured text into structured outputs.1,810Apache-2.0
policycheckPublisher policy compliance checker - verifies robots.txt, RSL licenses, Content Signals, and TDM policies56MIT
policyd-rate-limitPostfix rate limiter SMTP policy daemon4,363BSD-3-Clause
polilithDocker image quality tool4,117Apache-2.0
polimec-commonCommon types, traits, and impls for Polimec and Projects1,084non-standard
polimorphismFunction overloading via a procedural macro5,125MIT
polinaNAME RESERVED FOR FUTURE 3D WORLD RENDERER1,527MIT
poline-rsRust implementation of the poline.js esoteric palette generator1,175MIT
polintMulti-language repo-local static-analysis rules (Go and TypeScript/JavaScript today)2,627MIT
polint-macrosProcedural macros for polint rule authoring3,400MIT
polipo🐙 Minimal, elegant, fast, async Kraken exchange REST API client | Written in Rust21,919MIT
polishTest-Driven Development done right47,934MIT
polish_notationMacros for polish notation and reverse polish notation math1,867MIT
polished-cssCraft polished CSS in Rust following CSSWG standards. Achieve type-safety, modularity, atomicity, and ergonomic styling for…1,553non-standard
polished-css-macrosProcedural macros which support the development of a library crate `polished-css`.2,004non-standard
polished_allocatorsA collection of allocators for the Polished project1,282Zlib
polished_elf_loaderModular, safe ELF loader for Polished OS, supporting UEFI and no_std environments.941Zlib
polished_filesFile loading and (future) filesystem abstraction for Polished OS, supporting UEFI and no_std environments.1,137Zlib
polished_gdtGlobal Descriptor Table (GDT) management for the Polished OS project.916Zlib
polished_graphicsA graphics library for the Polished OS project.1,312Zlib
polished_interruptsInterrupt handling for the Polished OS project.503Zlib
polished_memoryMemory management for the Polished OS project.905Zlib
polished_panic_handlerPanic handler for Polished OS, providing custom panic behavior and logging.891Zlib
polished_pciLow-level routines for initializing and managing PCI devices on x86 systems.1,384Zlib
polished_ps2Low-level routines for initializing and managing the PS/2 controller and keyboard on x86 systems.896Zlib
polished_scancodesA library for handling and mapping keyboard scancodes in Rust.1,108Zlib
polished_serial_loggingSerial port output and logging utilities for Polished OS.2,237Zlib
polished_x86_commandsLow-level x86 instructions and utilities for Polished OS.1,314Zlib
polishexprA poorly implementation of a polish reverse expression evaluator4,703MIT
politerusqlite × Polars bridge library1,507MIT
polite-cliCommand-line interface for rusqlite × Polars integration1,294MIT
polite-programmingA Rust package to entice programmers to make their code more polite7,056MIT
politeness-macroIsn't it time to be a bit nicer to rustc?1,611MIT
politeness-macro-implIsn't it time to be a bit nicer to rustc? (proc macro)2,319MIT
polixAST Based Language Tool792MIT
polkDotfile manager and symlinker10,083MIT
polkaA dot language parser for Rust; based on Parser Expression Grammar (PEG) using the excellent pest crate as the underpinning.3,144MIT
polka-rsBytecode schema for the Myriad runtime (Abrase language).228MIT
polka-rustcCompiles Polka bytecode to no-std Rust.52MIT
polkadotImplementation of a `https://polkadot.com` node in Rust based on the Substrate framework.33,452GPL-3.0-only
polkadot-approval-distributionPolkadot Approval Distribution subsystem for the distribution of assignments and approvals for approval checks on candidates over…183,719GPL-3.0-only
polkadot-availability-bitfield-distributionPolkadot Bitfiled Distribution subsystem, which gossips signed availability bitfields used to compactly determine which backed…180,147GPL-3.0-only
polkadot-availability-distributionThe Availability Distribution subsystem. Requests the required availability data. Also distributes availability data and chunks…181,145GPL-3.0-only
polkadot-availability-recoveryThe Availability Recovery subsystem. Handles requests for recovering the availability data of included candidates.180,085GPL-3.0-only
polkadot-ckb-merkle-mountain-rangeA generalized merkle mountain range implementation (polkadot fork)4,053,902MIT
polkadot-cliPolkadot Relay-chain Client Node169,976GPL-3.0-only
polkadot-clientpolkadot-client is a lib1,225MIT
polkadot-collator-protocolPolkadot Collator Protocol subsystem. Allows collators and validators to talk to each other.181,173GPL-3.0-only
polkadot-core-primitivesCore Polkadot types used by Relay Chains and parachains.1,088,135GPL-3.0-only
polkadot-devPlaceholder for Polkadot Dev CLI967GPL-3.0-only
polkadot-dev-cliCLI tool for Polkadot developers bundling linting, formatting, and version management1,605GPL-3.0-only
polkadot-dispute-distributionPolkadot Dispute Distribution subsystem, which ensures all concerned validators are aware of a dispute and have the relevant…182,667GPL-3.0-only
polkadot-duPDU - Polkadot runtime storage analyzer3,741GPL-3.0
polkadot-erasure-codingErasure coding used for Polkadot's availability system188,193GPL-3.0-only
polkadot-gossip-supportPolkadot Gossip Support subsystem. Responsible for keeping track of session changes and issuing a connection request to the…181,233GPL-3.0-only