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.

promptbankA CLI tool to manage and apply prompts for Claude AI141MITCommand line utilities promptboxA CLI tool for managing and executing LLM prompt templates7,514MIT OR Apache-2.0Command line utilitiesTemplate engine promptbudgetToken-budget-aware text truncation with multiple strategies. Bring-your-own tokenizer, no hard tiktoken dep.19MIT OR Apache-2.0AlgorithmsText processing promptcPromptc core1,530MIT promptchineA simple prompt refinement and caching library using LLMs37MITText processing promptconvA simple Bash > Zsh prompt converter1,690MITCommand line utilities promptdustPlaceholder — name reserved for the PromptDust project. Not yet released.15MIT OR Apache-2.0 promptdust-cliPlaceholder — reserved for PromptDust's CLI crate. Not yet released.15MIT OR Apache-2.0 promptdust-corePlaceholder — reserved for PromptDust's core crate. Not yet released.15MIT OR Apache-2.0 promptdust-desktopPlaceholder — reserved for PromptDust's desktop crate. Not yet released.15MIT OR Apache-2.0 promptedMacros for input and prompting.16,161MITCommand-line interface prompterA Wordle solver in Rust4,922MIT OR Apache-2.0Command line utilities promptforgeA Rust crate for building and formatting prompts for AI agents.12,181Apache-2.0Development toolsTemplate engine promptheusA Rust-based prompt CLI management tool1,344MITCommand line utilitiesDevelopment tools prompthiveOpen source prompt manager for developers. Terminal-native, sub-15ms operations, works with any AI tool.4,668MITCommand line utilitiesDevelopment tools prompthubA layered prompt management system inspired by Docker125MITCommand line utilitiesDevelopment tools promptifyA plaintext directory formatting tool for interacting with LLMs on the command line.2,419MIT prompting-pressPublic Rust consumer surface for Prompting Press, layered on the FFI-free kernel.106MPL-2.0Template engineText processing prompting-press-coreFFI-free engine kernel for Prompting Press: typed, versioned, variant-aware prompt templates.135MPL-2.0Template engineText processing promptioA simple and beautiful I/O library for Rust CLI applications492MIT Command-line interface promptisSimplify getting user input in the CLI11,176MITCommand-line interface promptkitHandy tools for working with prompts332Apache-2.0 promptkit_rsLLM structured prompting library.6,287MIT promptkit_rs_macrosLLM structured prompting library macros.2,512MIT promptlA Crate for the PromptL Language986MITAPI bindingsNetwork programming promptl-ffiFFI support for PromptL984MITAPI bindingsNetwork programming promptlcA Crate for PromptL Template Compilation959MITCompilers promptlySimple, opinionated CLI prompting helper2,767,461MITCommand-line interface promptmlType-safe LLM prompt templates for Rust — catch missing variables at compile time22MIT OR Apache-2.0Template engineText processing promptml-macrosProc macros for the promptml crate — do not use directly75MIT promptoFrivolous image processing library that generates Prompto selfies.6,542BSD-4-Clause promptorSimple, functional, monadic command-line prompts.1,795MITCommand-line interface promptparseAll-in-one Rust library for PromptPay & EMVCo QR Codes824MIT promptpay-rsA Rust library for generating PromptPay QR code compliant with EMVCo standards, supporting Thai phone numbers and Tax IDs.1,921MITFinance promptproPromptPro is an advanced prompt management system with versioning, tagging, encryption, and TUI interface. The ultimate tool for…259GPL-3.0-onlyCommand line utilitiesDevelopment tools promptputA simple crate for handling terminal input.3,071MIT promptressLightning-fast, customizable terminal prompt7,059GPL-3.0-or-later promptrsA framework for building composable agentic workflows417LGPL-3.0Development toolsParsing tools promptsInteractive prompts for the command line7,597 MIT OR Apache-2.0 prompts-cliA CLI for managing prompts for large language models.2,430MIT prompts-tuiA TUI for managing prompts for large language models.416MIT promptsmithRender Handlebars prompt templates into role-tagged chat messages24MITTemplate engine promptsmith-cliCLI to render and live-preview Handlebars prompt templates17MITCommand line utilitiesTemplate engine promptuplaceholder18MIT OR Apache-2.0 promptuityPromptuity is a library that provides interactive prompts.14,990MITCommand-line interfaceCommand line utilities promptuneA tiny tool to auto-augment prompts programmatically80MITText processing promptverHash and version prompt templates so eval results, cache keys, and audit logs stay stable when templates change.…18MIT OR Apache-2.0CryptographyData structures promptxAI prompt optimization1,541MITDatabase interfaces promptyPrompty is an asset class and format for LLM prompts410MITDevelopment toolsText processing prompty-anthropicAnthropic provider for Prompty — Claude Messages API executor and processor113MITDevelopment tools prompty-foundryAzure OpenAI / Foundry provider for Prompty108MITDevelopment tools prompty-openaiOpenAI provider for Prompty283MITDevelopment tools promqlPromQL parser14,736Apache-2.0 promql-parserParse PromQL query into AST628,787Apache-2.0Parser implementations promql-rsA PromQL parser2,729MIT/Apache-2.0Parsing tools promqueryQuery and visualize Prometheus metrics from the command-line.2,208Apache-2.0 promwriteA high-performance, zero-allocation Prometheus Remote Write 2.0 client library.178MIT OR Apache-2.0Development tools::DebuggingNetwork programming pronA folder-scoped cron that reads a .prontab from its working directory20MIT pronghornA simple web development framework5,217Apache-2.0Web programmingWeb programming::HTTP server prongsInput handling schema written in rust. Backend agnostic, provides serializability, assignment and unified interface for working…11,274LGPL-3.0ConfigurationGame engines pronoteA purrfect API wrapper for PRONOTE.35GPL-3.0-or-laterAPI bindings prontoDecoder for pronto edit data1,319MIT OR Apache-2.0Encoding pronto-graphicsQuick and simple graphics for Rust5,631MITGamesGraphics proofLibrary for interacting with SSZ merkle tree proofs.1,960Apache-2.0 proof-catPLONKish bridge to sumcheck proving (built on proof-cat-core)117MITCryptographyMathematics proof-cat-coreField-agnostic proof-system primitives (sumcheck, multilinear, Fiat-Shamir, Merkle) shared by proof-cat and stark-cat121MIT OR Apache-2.0CryptographyMathematics proof-compressionBoth cuda and cpu based proof compression and wrapping chain85,562MIT OR Apache-2.0Cryptography proof-engineA mathematical rendering engine for Rust. Every visual is the output of a mathematical function.37MITGame enginesGraphics proof-fairA provably fair random number generator (RNG) using HMAC-SHA512 hash with a server seed, a client seed, and a nonce.1,522MIT proof-of-historyA naive, minimalist, demo implementation of Proof of History.1,515MIT OR Apache-2.0 proof-of-sqlHigh performance zero knowledge (ZK) prover for SQL.588,691non-standard proof-of-sql-parserLibrary for SQL parsing for the Proof of SQL execution engine.543,968non-standard proof-of-sql-plannerSQL query planner for proof-of-sql.80,914non-standard proof-of-work-faucetDemocratizing access to devnet SOL5,255MIT proof-streamReal-time 3D streaming visualization of ZK proof sessions via Rerun57Apache-2.0 proof_genGenerates block proofs from zero proof IR.9,317MIT OR Apache-2.0 proof_systemProof system to comprise various cryptographic primitives43,259Apache-2.0 proofframeRust-native Arrow data contracts, canonical fingerprints, and proof receipts51Apache-2.0Data structuresDevelopment tools proofgateOfficial ProofGate SDK — blockchain transaction validation and guardrails for AI agents41MITAPI bindingsCryptography proofliteThe litelite reference language: total, fuel-bounded, output-capped. Every program halts within its fuel — by construction.29Apache-2.0CompilersParser implementations proofman-mpiMessage Passing Interface bindings for Rust155MIT OR Apache-2.0Concurrency proofman-mpi-sysMessage Passing Interface bindings for Rust160MIT OR Apache-2.0External FFI bindings proofmarshalPlaceholder for a soon-to-be-published crate2,004LGPL-3.0 proofmodeCapture, share, and preserve verifiable photos and videos1,336Apache-2.0Command line utilitiesCryptography proofnetPlaceholder for proofnet — cryptographic identity, attestation, and end-to-end encrypted messaging for AI agents. Real package…17MIT proofnet-corePlaceholder for proofnet-core — cryptographic identity, attestation, and end-to-end encrypted messaging for AI agents. Real…17MIT proofnet-sdkPlaceholder for proofnet-sdk — cryptographic identity, attestation, and end-to-end encrypted messaging for AI agents. Real…17MIT proofsYet another proof validation format.1,508Apache-2.0 proofs-commitmentShared commitment schemes for Mycelix ZK proof systems31AGPL-3.0-or-later proofs-configCentralized configuration for Mycelix ZK proof systems31AGPL-3.0-or-later proofsize_deriveA custom derive plugin for ProofSize1,841MIT proomptConcatenate a directory full of files into a single prompt for use with LLMs847MITCommand line utilities prootWrapper around gh CLI6,005non-standardCommand line utilitiesDevelopment tools propPropositional logic with types in Rust60,803MIT prop-check-rsA Property-based testing Library in Rust1,108,876MIT OR Apache-2.0 prop-testFormattable proptest macro9,414MIT OR Apache-2.0Development tools::Testing prop-timea little program that outputs the time and date for my starship prompt4,041MIT prop_readerLibrary for reading yaml based property files.1,634MITConfiguration prop_tuneA crate to simplify work with Propositional Statements.8,085MIT prop_tune_coreA crate to simplify work with Propositional Statements.9,307MIT prop_tune_macroThe procedural macro crate for proc_tune7,607MIT propaga-cliCommand-line interface for the Propaga constraint solver78MIT OR Apache-2.0AlgorithmsScience propaga-coreCore types and traits for the Propaga constraint solver212MIT OR Apache-2.0AlgorithmsScience propaga-domainsDomain implementations for the Propaga constraint solver192MIT OR Apache-2.0AlgorithmsScience propaga-enginePropagation engine for the Propaga constraint solver177MIT OR Apache-2.0AlgorithmsScience propaga-flatzincFlatZinc subset parser and compiler for Propaga104MIT OR Apache-2.0AlgorithmsScience propaga-modelHigh-level modeling API for the Propaga constraint solver125MIT OR Apache-2.0AlgorithmsScience propaga-propagatorsBuilt-in propagators for the Propaga constraint solver159MIT OR Apache-2.0AlgorithmsScience propaga-searchSearch strategies for the Propaga constraint solver140MIT OR Apache-2.0AlgorithmsScience propagated_yanked_testDepending on a unresolved yanked release.4,089MIT OR Apache-2.0 propagators-chirhoA Rust implementation of propagator networks for constraint propagation and bidirectional computation313MITAlgorithmsMathematics propagoGraph neural network primitives: GCN and hyperbolic GCN on Burn tensors71MIT OR Apache-2.0AlgorithmsScience propammRust SDK for the PropAMM Router contract: typed calls, eth_call overrides, and ABI codec over JSON-RPC77MITAPI bindingsCryptography::Cryptocurrencies propanea generator syntax experiment2,707MIT OR Apache-2.0 propane-macrosproc macros for the propane crate3,546MIT OR Apache-2.0 propdayscovCalculation proportion of days covered metric from input CSV file.1,663Unlicense/MIT propelAxum middleware for Supabase Auth on Google Cloud Run198MIT OR Apache-2.0AuthenticationWeb programming propel-buildDockerfile and Cloud Build configuration generator for Propel262MIT OR Apache-2.0Development tools propel-cliCLI tool for deploying Rust apps to Google Cloud Run with Supabase164MIT OR Apache-2.0Command line utilitiesDevelopment tools propel-cloudGCP Cloud Run and Cloud Build operations for Propel262MIT OR Apache-2.0Development tools propel-coreCore types, configuration, and error handling for Propel422MIT OR Apache-2.0ConfigurationDevelopment tools propel-sdkDEPRECATED: use `propel` instead. This crate has been merged into the `propel` crate.70MIT OR Apache-2.0AuthenticationWeb programming propelauthA Rust crate for managing authentication and authorization with support for multi-tenant / B2B products, powered by PropelAuth79,688MITAuthentication propeller_truthA library for saying truth about Propellers.899MIT propensity-scorePropensity score estimation via logistic regression, with zero-aware quantile binning for matching workflows.20MIT OR Apache-2.0AlgorithmsMathematics properDerives for converting primitives to and from simple enums and newtype structs23,579MIT proper-sortSmall crate for natural sorting of strings that include number and size data.25MIT proper_path_toolsCollection of algorithms and structures to handle paths properly.42,983MITAlgorithmsDevelopment tools propertiesHandle property files4,570MITConfigurationFilesystem properties-file-parserThis is a project for .properties file parsing (https://en.wikipedia.org/wiki/.properties)4,195MIT propertiesextA (dot) properties file parser with extended feature set1,554non-standardConfigurationGame development propertyGenerate several common methods for structs automatically.82,490Apache-2.0 OR MITDevelopment tools::Procedural macro helpers propertybindingsExperimental rust-based QML-like language.4,765MIT propfirmkeyCompare 30+ prop trading firms, calculate true costs, and find the best discount codes. Built by PropFirmKey.com20MITCommand line utilitiesFinance propfuzzCombine property-based testing and fuzzing.112,333MIT OR Apache-2.0 propfuzz-macroSupport macro for propfuzz.121,899MIT OR Apache-2.0 prophecyFutureSDR GUI3,661Apache-2.0 prophetA neural network implementation with a focus on cache-efficiency and sequential performance.23,394MIT/Apache-2.0Science prophet-sysLow-level bindings for libprophet, a library to probe 6-piece "Prophet" chess endgame tablebases (depth to mate)240GPL-3.0External FFI bindingsGames proplateProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…7,716MITCommand line utilities proplate-coreProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…6,854MITCommand line utilities proplate-errorsProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…5,090MITCommand line utilities proplate-integrationProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…4,705MITCommand line utilities proplate-tuiProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…5,345MITCommand line utilities prople-cryptoA set of libraries and function helpers to maintain cryptography data based on Prople system requirements13,001GPL-3.0-onlyCryptography prople-did-coreA set of core libraries to manage the DID data and objects based on Prople system requirements34,199GPL-3.0-onlyCryptography propmasterProperties and configurations for rust1,564BSD-3-Clause/Apache-2.0 propmexipropmexi1,464MIT proportionate_selectorSelecting useful solutions for recombination via fitness proportionate selection3,967MIT proposal-hooksDAO DAO v1 proposal hooks.25,120Apache-2.0 propositionA crate dedicated to proposition building logic, providing mathematical lexers and language properties for defining logical…37MITDevelopment toolsMathematics propositionalPropositional Logic2,524MIT propositional-tableau-solver-rsPropositional tableau solver for propositional formulas1,719MIT propositional_logicgenerate truth tables for compound propositions2,692MIT propparseA library to parse .properties files12,734MIT OR Apache-2.0 proprGenerate PR descriptions from the command line30,492MITCommand line utilities propresenterUnofficial library for interacting with ProPresenter 71,536MIT OR Apache-2.0 propsA native Rust library for reading and writing Java properties1,258Apache-2.0 props-rsparse .properties files4,049MITConfigurationParser implementations props-utilA Rust library for easily loading and parsing properties files into strongly-typed structs.4,294MITConfigurationParsing tools proptestHypothesis-like property-based testing and shrinking.157,362,586MIT OR Apache-2.0Development tools::Testing proptest-arbitraryThe Arbitrary trait for proptest and implementations for the standard library.6,959MIT/Apache-2.0Development tools::Testing proptest-arbitrary-adapterMake `arbitrary` interoperate with `proptest`.2,572MIT OR Apache-2.0Development tools::Testing proptest-arbitrary-interopInterop glue between arbitrary and proptest crates2,018,387MIT OR Apache-2.0 proptest-attr-macroProcedural attribute macro for writing proptest tests41,623Apache-2.0 proptest-deriveCustom-derive for the Arbitrary trait of proptest.22,170,049MIT OR Apache-2.0Development tools::Testing proptest-httpimpl proptest::Arbitrary for http::{Request,Response,Uri}2,967MIT/Apache-2.0Web programming proptest-http-messageProptest strategies for generating HTTP request and response messages or individual components components35MIT OR Apache-2.0Development tools::Testing proptest-lockstepLockstep-style stateful property testing for Rust32MIT OR Apache-2.0Development tools::Testing proptest-lockstep-deriveProc macros for proptest-lockstep57MIT OR Apache-2.0 proptest-macroProcedural macros for the proptest crate1,200,447MIT OR Apache-2.0Development tools::Testing proptest-quickcheck-interopProvides an interoperability layer for reuse of quickcheck::Arbitrary impls in proptest11,350MIT/Apache-2.0Development tools::Testing proptest-recurseHelper for defining mutually recursive strategies with proptest.109,516MIT/Apache-2.0 proptest-rngA bridge between proptest and the rand ecosystem — use any::<ProptestRng>() to get a deterministic, Arbitrary-implementing RNG24MITDevelopment tools::Testing proptest-semverProperty Testing implementations for Semantic Versioning5,717Apache-2.0Development tools::Testing proptest-state-machineState machine based testing support for proptest.2,759,689MIT OR Apache-2.0Development tools::Testing proptest-statefulLibrary for building stateful property tests using the proptest crate39,930Apache-2.0Development tools::Testing proptest_asyncproptest macro supporting async tests6,828MIT propulsionA package to help you get up and running with microservices using different frameworks. Currently has no content and is used to…1,508MIT propulsorConfiguration management system using Rust as a configuration language23MIT proqIdiomatic Async Prometheus Query (PromQL) Client for Rust.6,936Apache-2.0/MITAPI bindingsAsynchronous proqntZero-copy proquint encoding and decoding2,6620BSD OR MIT OR Apache-2.0EncodingNo standard library proquintProquints are readable, pronouncable representations of identifiers. For humans.2,810BSD-3-ClauseEncodingValue formatting prosRust bindings for PROS26,610MITAPI bindingsNo standard library pros-asyncA simple async executor for pros-rs3,854MITAsynchronousNo standard library pros-coreCore functionality for pros-rs5,570MITAPI bindingsNo standard library pros-devicesHigh level device for pros-rs4,181MITAPI bindingsNo standard library pros-mathCommonly used mathematical formulas for pros-rs2,637MITMathematicsNo standard library pros-panicPanic handler for pros-rs3,831MITNo standard libraryScience::Robotics pros-simulatorRun PROS robot code without the need for real VEX V5 hardware.11,410MITDevelopment toolsEmulators pros-simulator-interfaceConnect your app to the pros-simulator crate.7,368MIT pros-simulator-serverLine-delimited JSON server for pros-simulator6,445MIT pros-sync`SyncRobot` trait and macro for pros-rs3,197MITNo standard libraryScience::Robotics pros-sysEFI for the PROS rust bindings35,106MITAPI bindingsDevelopment tools::FFI pros_bindgenGenerate PROS bindings to rust3,509MIT pros_deriveproc macros for pros-rs1,541MIT prosaProSA core12,671LGPL-3.0-or-later prosa-adaptor-homeProSA Adaptors for Home1,570LGPL-3.0-or-later prosa-fetcherProSA processor to fetch information from remote systems2,237LGPL-3.0-or-later prosa-hyperProSA Hyper processor for HTTP client/server872LGPL-3.0-or-later