All 305,250 crates, alphabetically

realvima lightweight terminal text editor611non-standard realworldRust / Rocket codebase containing real world examples (CRUD, auth, advanced patterns, etc) that adheres to the RealWorld spec and…5,447Unlicense OR MITWeb programming reamData language for building maintainable social science datasets6,435MIT reamakeA CLI application built for quickly creating folder structures and preparing stems for mixing, mastering and production projects…196MIT reanaLibrary for the interaction of CWL and REANA Servers80MIT OR Apache-2.0Science reana-authAuthprovider for REANA Servers93MIT OR Apache-2.0Science reapA tool for parsing Ruby heap dumps10,171Apache-2.0 reap-grepwgrep/write-grep CLI2,775MITCommand line utilitiesDevelopment tools reap-processWatch a parent process and kill child processes when it dies (macOS)26MIT reaperLeague of Legends username availablity checker.2,096MIT reaper-imguiUnsafe bindings to ReaImGui Reaper extension.2,747LGPL-3.0 reaper-lowBindings for the REAPER C++ API - low-level API3,734MITAPI bindingsMultimedia reaper-macrosBindings for the REAPER C++ API - macros1,987MITAPI bindingsMultimedia reaper-mediumBindings for the REAPER C++ API - medium-level API2,712MITAPI bindingsMultimedia reaper-pyA fast, cross-file Python dead-code finder written in Rust28MITCommand line utilitiesDevelopment tools::Testing reaper-regionsRead REAPER DAW markers and regions in rendered/exported WAV files46MIT reapfrogReadahead and dropbehind over multiple files7,251MPL-2.0Filesystem reapiA wrapper around REAPI for rust using prost and tonic4,535MIT OR Apache-2.0 reapi-sdkOpenAI-compatible SDK helper for the reAPI gateway (https://reapi.ai).18MITAPI bindings reaportIntelligent stale dev process killer22MITCommand line utilitiesDevelopment tools rearchRe-imagined approach to application design and architecture22,376MITCachingConcurrency rearch-effectsRe-imagined approach to application design and architecture12,255MITCachingConcurrency rearch-macrosRe-imagined approach to application design and architecture11,800MITCachingConcurrency rearch-tokioRe-imagined approach to application design and architecture15,152MITCachingConcurrency rearmAssembles ARM instructions1,378MIT rearrangeAlternative API for sorting by multiple properties2,686MIT OR Apache-2.0 reasonA library for integrating LLMs in your Rust applications32MIT reason-othelloAn Othello library with a blazing fast bitboard.1,645MITGame engines reason-shellReason: A Shell for Research Papers9,803MIT reasonableAn OWL 2 RL reasoner with reasonable performance137,537BSD-3-Clause reasonable-cliCommand line interface for Reasonable OWL 2 RL reasoner1,345BSD-3-Clause reasoning-parserParser for AI model reasoning/thinking outputs (chain-of-thought, etc.)1,009,775Apache-2.0Parsing toolsText processing reasoninglayerRust client SDK for the Reasoning Layer API77MITAPI bindingsWeb programming::HTTP client reasonkitThe Reasoning Engine — Complete ReasonKit Suite | Auditable Reasoning for Production AI133Apache-2.0Command line utilitiesDevelopment tools reasonkit-cliStandardized CLI framework for ReasonKit tools16Apache-2.0Command line utilitiesDevelopment tools reasonkit-coreThe Reasoning Engine — Auditable Reasoning for Production AI | Rust-Native | Turn Prompts into Protocols288Apache-2.0AlgorithmsCommand line utilities reasonkit-memHigh-performance vector database & RAG memory layer - hybrid search, embeddings, RAPTOR trees, BM25 fusion, and semantic…3,132Apache-2.0AlgorithmsData structures reasonkit-think-mcpRust MCP server for auditable sequential and tree-of-thoughts reasoning, aligned with ReasonKit skills.44Apache-2.0Development tools reasonkit-webHigh-performance MCP server for browser automation, web capture, and content extraction. Rust-powered CDP client for AI agents.240Apache-2.0AsynchronousDevelopment tools::Testing reatTool for ergonomic use of extended attributes of filesystem objects.587GPL-3.0-onlyCommand line utilitiesFilesystem reatlerA thing that can bundle files into single one4,744MIT reauth-sdkRust SDK for Reauth authentication55MITAuthenticationWeb programming reauth-typesShared types and crypto primitives for Reauth authentication145MITAuthenticationWeb programming reauthfimacOS Captive Portal auto-detection and opener CLI tool629MIT reauthfi-climacOS Captive Portal auto-detection and opener CLI tool232MIT reauthfi-coremacOS Captive Portal auto-detection and opener CLI tool375MIT reavesSend a copy of the bytes read in a Read to a Write3,091Apache-2.0 reaxA reactivity system for Rust that infers dependencies between functions.3,071MITGUIRust patterns reaxiveA reactive state management library for Dioxus inspired by MobX2,009MITGUIWeb programming rebDevelop simple web apps using Rust and WebAssembly with elegant syntax.3,164non-standard reba-clientReba client1,568MIT rebabA tiny, rule-based reverse proxy written in Rust665MITAPI bindingsWeb programming::HTTP server rebacdbA relationship-based access control database inspired by google zanzibar.2,705LGPL-3.0-or-later rebackupA backup software that only builds a list of files to backup using a powerful rule system5,006Apache-2.0 rebalancePortfolio (re-)balancing and simulation5,176MIT OR Apache-2.0FinanceSimulation rebarA line editor built from scratch in Rust3,034 rebaseRebase is a library for witnessing cryptographic attestations and issuing verifiable credentials10,117Apache-2.0 OR MIT rebase_client_wasmThe WASM used to create the Rebase JavaScript Client, usable by other WASM-targeting Rust libs2,714Apache-2.0 OR MIT rebase_vc_witness_axumThis is a library that exposes a Rebase witness as an Axum Service1,514Apache-2.0 OR MIT rebase_witness_sdkRebase Witness SDK is a library for witnessing cryptographic attestations and issuing verifiable credentials8,430Apache-2.0 OR MIT rebeccaCross-platform cleanup CLI and Rust library surface for Rebecca cleanup planning, rules, and platform adapters.65MIT OR Apache-2.0Command line utilitiesFilesystem rebecca-cliWindows-first cleanup CLI for caches, app leftovers, and project artifacts.21MIT OR Apache-2.0Command line utilitiesFilesystem rebecca-coreCore planning, safety, scanning, and history models for Rebecca.151MIT OR Apache-2.0Command line utilitiesFilesystem rebecca-ntfsRead-only NTFS MFT parsing primitives for Rebecca.27MIT OR Apache-2.0Filesystem rebecca-rulesOwned cross-platform cleanup rule catalog for Rebecca.113MIT OR Apache-2.0Command line utilitiesFilesystem rebecca-safetyCanonical built-in cleanup safety catalog data for Rebecca.51MIT OR Apache-2.0Command line utilitiesFilesystem rebecca-windowsWindows-specific adapters for Rebecca discovery and host capabilities.115MIT OR Apache-2.0FilesystemOperating systems::Windows APIs rebelReserved name stub crate. No functionality is provided. NOTICE: If this stub is older than 1 month old and no progress has been…390MIT OR Apache-2.0 rebelsAnarchic spacepirates playing basketball in your terminal11,543GPL-3.0-or-laterGames rebgrebg1,551GPL-3.0-only rebgzfEfficient gzip to BGZF transcoder using Puffin-style half-decompression41MITCommand line utilitiesCompression rebiRebi is a Rust CLI tool that allows you to easily manage pre-built binaries for any project.50Apache-2.0 rebinbA small crate for a resizable binary buffer!906MIT rebindA library for binding input keys to actions, and modifying mouse behaviour. Keys can be bound to actions, and then translated…14,748MIT rebind-clientRust client for the Rebind remote access WebSocket protocol15MIT reblessiveA small runtime for running deeply nested recursive functions1,185,027MIT rebnfAn extended form of EBNF, intended primarily for specifying Rust grammar.1,850MIT OR Apache-2.0 reboot-arch-btwCheck if you need to reboot due to an updated kernel. (I use Arch btw!)31,020GPL-3.0-onlyCommand line utilities rebootinto-cliThe command line tool for rebooting into other OS.1,711MITCommand line utilities rebootinto-coreThe core API for rebooting into other OS.6,044MIT rebootinto-tuiThe Terminal UI tool for rebooting into other OS.1,696MIT rebopA fast stochastic simulator for chemical reaction networks23,667MITAlgorithmsMathematics reborrowEmulate reborrowing for user types.11,947,999MIT reborrow-deriveEmulate reborrowing for user types.7,304MIT reborrow-genericGeneralized reborrowing traits and an optional derive macro.711MIT OR Apache-2.0 reborrow-generic-deriveDerive macros for reborrow-generic.788MIT OR Apache-2.0 rebosNixOS-like repeatability for any Linux distro.27,262GPL-3.0-or-later reboundFull runtime reflection for Rust, with lifetime safety8,546MIT/Apache-2.0Memory management rebound-bindLow-level Rust FFI bindings for the REBOUND N-body simulation C library.70GPL-3.0Aerospace::Aerospace simulationsScience rebound-procProc macros associated with the rebound crate7,417MIT/Apache-2.0 rebound-rsRust wrapper for the REBOUND N-body simulation library.34GPL-3.0Aerospace::Aerospace simulationsScience rebound-sysLow-level bindings to the REBOUND C library for N-body simulations4,460non-standardAerospace::Aerospace simulationsScience reboundedBounded types1,478MIT or Apache-2.0Data structuresNo standard library reboxAn efficient boxing library1,565MIT OR Apache-2.0 rebpfA ebpf library built on top of libbpf (no bcc dependency).8,619MIT rebpf-macroUtility macros to write ebpf programs.4,496MIT rebpf-sysA raw binding for libbpf.1,843LGPL-3.0 rebuildBuild script helper577non-standard rebuild7This program is targeted at teachers & homeschool parents and is especially useful for teaching math. It allows the construction…296GPL-3.0-or-later rebuildctlrebuilderd - rebuildctl client43,932GPL-3.0-or-later rebuilderdrebuilderd - independent build verification daemon44,088GPL-3.0-or-later rebuilderd-commonrebuilderd - common code54,483GPL-3.0-or-later rebuilderd-workerrebuilderd - rebuild worker44,078GPL-3.0-or-later rebunyanFast tool to view json logs in bunyan format1,495MIT OR Apache-2.0Command line utilities recRegular Expression Constructor17,640MITNo standard libraryText processing rec-cliCLI Terminal Recorder - record, replay, and export terminal sessions48MITCommand line utilitiesDevelopment tools rec-warsA top-down vehicle shooter game playable in the browser10,048AGPL-3.0-or-laterGames rec23-rsA library for REC23 CRM.45,593MIT rec_cellZero-cost borrow-checking of aliased references with cyclic construction15MIT OR Apache-2.0Memory managementNo standard library rec_deriveImplements custom derives for rec1,913MITDevelopment tools::Procedural macro helpersNo standard library rec_rsysLibrary for different maths functions related to recsys and ML3,873MIT OR Apache-2.0AlgorithmsMathematics recalcReserved for the Recalc project — use the recalc-engine crate.14Apache-2.0 recalc-engineHeadless, bug-for-bug Excel-compatible spreadsheet recalculation engine: open .xlsx/.xlsm, build the formula dependency graph,…15Apache-2.0MathematicsParser implementations recallA flashcard CLI.1,874MIT recall-cliTUI session browser for AI coding assistants — GitHub Copilot CLI, Claude Code, and more29MITCommand line utilities recall-echoPersistent memory system with knowledge graph — for any LLM tool285AGPL-3.0-onlyCommand line utilities recall-graphKnowledge graph with semantic search for AI memory systems37AGPL-3.0-onlyDatabase interfacesScience recall-rsA minimalistic CLI tool for note taking and recall.40MITCommand line utilities recall_actor_sdkRecall network fil actor sdk4,267MIT OR Apache-2.0 recall_entanglerEntangler that uses the Alpha Entanglement.976MIT OR Apache-2.0 recall_entangler_cliA command line interface (CLI) for the Aplha Entanglement.732MIT OR Apache-2.0 recall_entangler_storageDistributed storage for uploading and downloading data.1,193MIT OR Apache-2.0 recall_fendermint_actor_blobs_sharedShared resources for blobs3,855MIT OR Apache-2.0 recall_fendermint_actor_bucketActor for bucket object storage3,080MIT OR Apache-2.0 recall_fendermint_actor_eamBuiltin Ethereum address manager actor for IPC3,542MIT OR Apache-2.0 recall_fendermint_actor_machineShared types for ADM machine actors3,849MIT OR Apache-2.0 recall_fendermint_actor_recall_configSingleton actor for updateable Recall network parameters1,872MIT OR Apache-2.0 recall_fendermint_actor_recall_config_sharedShared resources for the recall config2,306MIT OR Apache-2.0 recall_fendermint_actor_timehubActor for timestamping data hashes3,093MIT OR Apache-2.0 recall_fendermint_cryptoCryptographic utilities3,573MIT OR Apache-2.0 recall_fendermint_eth_apiEthereum JSON-RPC facade2,689MIT OR Apache-2.0 recall_fendermint_rpcUtilities working with the tendermint_rpc library to provide an API facade for Fendermint2,905MIT OR Apache-2.0 recall_fendermint_testingTesting utilities3,528MIT OR Apache-2.0 recall_fendermint_vm_actor_interfaceRe-export interfaces of built-in actors, either copied versions or from direct project reference.3,278MIT OR Apache-2.0 recall_fendermint_vm_coreCore data structures shared between genesis and messages3,558MIT OR Apache-2.0 recall_fendermint_vm_encodingUtilities for encoding some of the primitive FVM types with serde3,557MIT OR Apache-2.0 recall_fendermint_vm_genesisGenesis data used to initialize the FVM state when the chain is created3,383MIT OR Apache-2.0 recall_fendermint_vm_messageMessages (transactions) received on chain and passed on to the FVM3,083MIT OR Apache-2.0 recall_fil_actor_admBuiltin machines address manager actor for ADM3,963MIT OR Apache-2.0 recall_fil_actor_eamBuiltin Ethereum address manager actor for Filecoin3,678MIT OR Apache-2.0 recall_fil_actor_evmBuiltin EVM actor for Filecoin2,019MIT OR Apache-2.0 recall_fil_actors_evm_sharedShared libraries for the built-in EVM actor for Filecoin4,974MIT OR Apache-2.0 recall_fil_actors_runtimeSystem actors for the Filecoin protocol5,402MIT OR Apache-2.0 recall_frc42_dispatchFilecoin FRC-0042 calling convention/dispatch support library4,562MIT OR Apache-2.0 recall_frc42_hasherFilecoin FRC-0042 calling convention method hashing5,426MIT OR Apache-2.0 recall_frc42_macrosFilecoin FRC-0042 calling convention procedural macros4,694MIT OR Apache-2.0 recall_ipc_actors_abisRust bindings for the IPC Solidity Actors3,997MIT OR Apache-2.0 recall_ipc_apiIPC common types and utils3,862non-standard recall_ipc_typesThe primitive types for fvm3,971non-standard recall_ipldRecall network ipld hamt and amt implementations4,017MIT OR Apache-2.0 recall_merkle_tree_rsA Recall clone of `literallymarvellous` Rust library to generate merkle trees and merkle proofs.4,519MIT recall_providerA chain and object provider for Recall.1,855MIT OR Apache-2.0 recall_sdkThe top-level user interface for managing Recall object storage and timehubs.1,341MIT OR Apache-2.0 recall_signerA transaction signer for Recall.1,576MIT OR Apache-2.0 recall_sol_facadeRust bindings for the Recall Solidity Facades4,450MIT OR Apache-2.0 recall_vm_apiAbstract virtual machine interface used for testing FVM native wasm actors6,067MIT OR Apache-2.0 recallableTraits (`Recallable`, `Recall`, `TryRecall`) and macros for defining Memento pattern types and their state restoration behaviors.37MIT OR Apache-2.0Data structuresRust patterns recallable-macroMacro suite for the recallable crate: enables model with #[recallable_model] and automatic trait derives for `Recallable` and…111MIT OR Apache-2.0Data structuresRust patterns recallbenchA universal benchmark harness for AI memory systems94MIT OR Apache-2.0Development tools::Testing recalldbThe simple key-value storage with multiple revisions1,521MIT recamanIterator for the Recaman's sequence1,904MIT recaman-svgCreates an SVG image based on the Recamán sequence.1,919GPL-3.0+ recapDeserialize typed structures from regex captures61,873MIT recap-deriveDerives FromStr impl for types which are then deserialized using recap62,436MIT recaptcharecaptcha response verification54,454MIT recaptcha-serviceA simplified and centralised interface for verifying reCAPTCHA tokens.1,614Apache-2.0 recaptcha-verifyRecaptcha verification helper for v2/v3 and enterprise32,062MITAPI bindingsWeb programming recaseChanges the convention case of input text.25,020BSD-2-ClauseText processing recastTransforms one serialization format into another10,920MITCommand line utilitiesFilesystem recast-cliSafe, atomic, transparent multi-file text rewrites — regex / Rhai script / tree-sitter modes, two-phase commit with rollback,…181MITCommand line utilitiesDevelopment tools recast-coreEngine behind the recast CLI: regex / Rhai script / tree-sitter rewrites, atomic two-phase commit, schema-locked JSON output.299MITDevelopment toolsText processing recast-detour-rsA simplified (detour only) rust binding for Recast & Detour library8,443MIT recast-detour-sysA simplified (detour only) rust binding for Recast & Detour library (sys crate)5,315MIT recast-langA parser for the RapidRecast Definition Language896AGPL-3.0-only recast-mcpModel Context Protocol server for recast — exposes safe, atomic, multi-file rewrites to MCP-aware AI agents (Claude Desktop,…127MITCommand line utilitiesDevelopment tools recast-rsBindings for Recast from recastnavigation1,650non-standardGame development recast_navigationRust wrappers for recast navigation1,973MITGame development recastingtraits for one-to-one recasting of values in data structures175,099MIT OR Apache-2.0Data structuresMemory management recastnavigation-rsA rust binding for recastnavigation path finding library adds cross-platform deterministic.2,111MPL-2.0API bindingsGame development recastnavigation-sysRaw FFI bindings for recastnavigation.35,407non-standardGame development recboxsimple audio recorder1,117MIT reccA C compiler with graphs.3,873AGPL-3.0CompilersVisualization recceA web reconnaissance tool1,603MIT receipt-benchReplayable benchmark substrate for semantic search, compression, and memory operations16MIT OR Apache-2.0Development toolsScience receipt-typesXBRL parsing, validation, and analysis toolkit18AGPL-3.0-or-later receiptsSource-verified research at function-call latency. Agent-first CLI: every claim comes back with a source URL, quote, and verdict.77Apache-2.0Command line utilities receipts-coreLocal-first tamper-evident proof, typed trust, calibrated false-green risk, and reliability cards for AI agent work.17MITCommand line utilitiesDevelopment tools recentipAn opinionated async SOME/IP implementation for Rust — boring by design, backed by Tokio.179GPL-3.0-onlyAsynchronousNetwork programming recently-used-xbelParse the ~/.local/share/recently-used.xbel file123,693MPL-2.0 recently_used_listA simple recently-used list with serde support132MIT OR Apache-2.0 receptionA Rust library for creating TCP listeners that spawns clients providing model abstraction layer.3,964MITAsynchronous recfileA library for sequentially reading and writing serialized structured records.6,329MIT recfilesA library for managing GNU Recfiles1,704MIT recgenRust bindings to ReCGen: Generate virtual compounds based on input structure2,724MIT recgen-sysNative bindings to ReCGen3,780non-standard rechannelServer/Client network library for reliable communication channels in multiplayer games27,790MIT OR Apache-2.0 rechat2srtCommand-line tool to convert Twitch's *.rechat.json files to srt subtitles.1,610MITCommand line utilities rechoA Rust version of GNU's ECHO, with added base64 functionality.4,974MITCommand line utilities reciboESC/POS printer driver for Rust4,750MIT recipeDynamic binary composition and low level manifest orchestration. Defines the blueprints and deterministic procedures for the…62MIT OR Apache-2.0