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 AI141MIT
promptboxA CLI tool for managing and executing LLM prompt templates7,514MIT OR Apache-2.0
promptbudgetToken-budget-aware text truncation with multiple strategies. Bring-your-own tokenizer, no hard tiktoken dep.19MIT OR Apache-2.0
promptcPromptc core1,530MIT
promptchineA simple prompt refinement and caching library using LLMs37MIT
promptconvA simple Bash > Zsh prompt converter1,690MIT
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.16,161MIT
prompterA Wordle solver in Rust4,922MIT OR Apache-2.0
promptforgeA Rust crate for building and formatting prompts for AI agents.12,181Apache-2.0
promptheusA Rust-based prompt CLI management tool1,344MIT
prompthiveOpen source prompt manager for developers. Terminal-native, sub-15ms operations, works with any AI tool.4,668MIT
prompthubA layered prompt management system inspired by Docker125MIT
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-2.0
prompting-press-coreFFI-free engine kernel for Prompting Press: typed, versioned, variant-aware prompt templates.135MPL-2.0
promptioA simple and beautiful I/O library for Rust CLI applications492MIT
promptisSimplify getting user input in the CLI11,176MIT
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 Language986MIT
promptl-ffiFFI support for PromptL984MIT
promptlcA Crate for PromptL Template Compilation959MIT
promptlySimple, opinionated CLI prompting helper2,767,461MIT
promptmlType-safe LLM prompt templates for Rust — catch missing variables at compile time22MIT OR Apache-2.0
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.1,795MIT
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.1,921MIT
promptproPromptPro is an advanced prompt management system with versioning, tagging, encryption, and TUI interface. The ultimate tool for…259GPL-3.0-only
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-3.0
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 messages24MIT
promptsmith-cliCLI to render and live-preview Handlebars prompt templates17MIT
promptuplaceholder18MIT OR Apache-2.0
promptuityPromptuity is a library that provides interactive prompts.14,990MIT
promptuneA tiny tool to auto-augment prompts programmatically80MIT
promptverHash and version prompt templates so eval results, cache keys, and audit logs stay stable when templates change.…18MIT OR Apache-2.0
promptxAI prompt optimization1,541MIT
promptyPrompty is an asset class and format for LLM prompts410MIT
prompty-anthropicAnthropic provider for Prompty — Claude Messages API executor and processor113MIT
prompty-foundryAzure OpenAI / Foundry provider for Prompty108MIT
prompty-openaiOpenAI provider for Prompty283MIT
promqlPromQL parser14,736Apache-2.0
promql-parserParse PromQL query into AST628,787Apache-2.0
promql-rsA PromQL parser2,729MIT/Apache-2.0
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-2.0
pronA folder-scoped cron that reads a .prontab from its working directory20MIT
pronghornA simple web development framework5,217Apache-2.0
prongsInput handling schema written in rust. Backend agnostic, provides serializability, assignment and unified interface for working…11,274LGPL-3.0
pronoteA purrfect API wrapper for PRONOTE.35GPL-3.0-or-later
prontoDecoder for pronto edit data1,319MIT OR Apache-2.0
pronto-graphicsQuick and simple graphics for Rust5,631MIT
proofLibrary for interacting with SSZ merkle tree proofs.1,960Apache-2.0
proof-catPLONKish bridge to sumcheck proving (built on proof-cat-core)117MIT
proof-cat-coreField-agnostic proof-system primitives (sumcheck, multilinear, Fiat-Shamir, Merkle) shared by proof-cat and stark-cat121MIT OR Apache-2.0
proof-compressionBoth cuda and cpu based proof compression and wrapping chain85,562MIT OR Apache-2.0
proof-engineA mathematical rendering engine for Rust. Every visual is the output of a mathematical function.37MIT
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-2.0
proofgateOfficial ProofGate SDK — blockchain transaction validation and guardrails for AI agents41MIT
proofliteThe litelite reference language: total, fuel-bounded, output-capped. Every program halts within its fuel — by construction.29Apache-2.0
proofman-mpiMessage Passing Interface bindings for Rust155MIT OR Apache-2.0
proofman-mpi-sysMessage Passing Interface bindings for Rust160MIT OR Apache-2.0
proofmarshalPlaceholder for a soon-to-be-published crate2,004LGPL-3.0
proofmodeCapture, share, and preserve verifiable photos and videos1,336Apache-2.0
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 LLMs847MIT
prootWrapper around gh CLI6,005non-standard
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-2.0
prop-timea little program that outputs the time and date for my starship prompt4,041MIT
prop_readerLibrary for reading yaml based property files.1,634MIT
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-2.0
propaga-coreCore types and traits for the Propaga constraint solver212MIT OR Apache-2.0
propaga-domainsDomain implementations for the Propaga constraint solver192MIT OR Apache-2.0
propaga-enginePropagation engine for the Propaga constraint solver177MIT OR Apache-2.0
propaga-flatzincFlatZinc subset parser and compiler for Propaga104MIT OR Apache-2.0
propaga-modelHigh-level modeling API for the Propaga constraint solver125MIT OR Apache-2.0
propaga-propagatorsBuilt-in propagators for the Propaga constraint solver159MIT OR Apache-2.0
propaga-searchSearch strategies for the Propaga constraint solver140MIT OR Apache-2.0
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 computation313MIT
propagoGraph neural network primitives: GCN and hyperbolic GCN on Burn tensors71MIT OR Apache-2.0
propammRust SDK for the PropAMM Router contract: typed calls, eth_call overrides, and ABI codec over JSON-RPC77MIT
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-2.0
propel-buildDockerfile and Cloud Build configuration generator for Propel262MIT OR Apache-2.0
propel-cliCLI tool for deploying Rust apps to Google Cloud Run with Supabase164MIT OR Apache-2.0
propel-cloudGCP Cloud Run and Cloud Build operations for Propel262MIT OR Apache-2.0
propel-coreCore types, configuration, and error handling for Propel422MIT OR Apache-2.0
propel-sdkDEPRECATED: use `propel` instead. This crate has been merged into the `propel` crate.70MIT OR Apache-2.0
propelauthA Rust crate for managing authentication and authorization with support for multi-tenant / B2B products, powered by PropelAuth79,688MIT
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-2.0
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.42,983MIT
propertiesHandle property files4,570MIT
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-standard
propertyGenerate several common methods for structs automatically.82,490Apache-2.0 OR MIT
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.com20MIT
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-2.0
prophet-sysLow-level bindings for libprophet, a library to probe 6-piece "Prophet" chess endgame tablebases (depth to mate)240GPL-3.0
proplateProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…7,716MIT
proplate-coreProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…6,854MIT
proplate-errorsProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…5,090MIT
proplate-integrationProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…4,705MIT
proplate-tuiProplate is a CLI tool that allows you to quickly create and set up project structures based on templates, and also create your…5,345MIT
prople-cryptoA set of libraries and function helpers to maintain cryptography data based on Prople system requirements13,001GPL-3.0-only
prople-did-coreA set of core libraries to manage the DID data and objects based on Prople system requirements34,199GPL-3.0-only
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…37MIT
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 line30,492MIT
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 files4,049MIT
props-utilA Rust library for easily loading and parsing properties files into strongly-typed structs.4,294MIT
proptestHypothesis-like property-based testing and shrinking.157,362,586MIT OR Apache-2.0
proptest-arbitraryThe Arbitrary trait for proptest and implementations for the standard library.6,959MIT/Apache-2.0
proptest-arbitrary-adapterMake `arbitrary` interoperate with `proptest`.2,572MIT OR Apache-2.0
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-2.0
proptest-httpimpl proptest::Arbitrary for http::{Request,Response,Uri}2,967MIT/Apache-2.0
proptest-http-messageProptest strategies for generating HTTP request and response messages or individual components components35MIT OR Apache-2.0
proptest-lockstepLockstep-style stateful property testing for Rust32MIT OR Apache-2.0
proptest-lockstep-deriveProc macros for proptest-lockstep57MIT OR Apache-2.0
proptest-macroProcedural macros for the proptest crate1,200,447MIT OR Apache-2.0
proptest-quickcheck-interopProvides an interoperability layer for reuse of quickcheck::Arbitrary impls in proptest11,350MIT/Apache-2.0
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 RNG24MIT
proptest-semverProperty Testing implementations for Semantic Versioning5,717Apache-2.0
proptest-state-machineState machine based testing support for proptest.2,759,689MIT OR Apache-2.0
proptest-statefulLibrary for building stateful property tests using the proptest crate39,930Apache-2.0
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/MIT
proqntZero-copy proquint encoding and decoding2,6620BSD OR MIT OR Apache-2.0
proquintProquints are readable, pronouncable representations of identifiers. For humans.2,810BSD-3-Clause
prosRust bindings for PROS26,610MIT
pros-asyncA simple async executor for pros-rs3,854MIT
pros-coreCore functionality for pros-rs5,570MIT
pros-devicesHigh level device for pros-rs4,181MIT
pros-mathCommonly used mathematical formulas for pros-rs2,637MIT
pros-panicPanic handler for pros-rs3,831MIT
pros-simulatorRun PROS robot code without the need for real VEX V5 hardware.11,410MIT
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-rs3,197MIT
pros-sysEFI for the PROS rust bindings35,106MIT
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