All 305,250 crates, alphabetically

spaad_internalProc-macro for the `spaad` crate. Do not use this directly, use that instead.10,974MPL-2.0AsynchronousConcurrency spacSoftware/Science (experimental) Package Manager446MIT spaceA library providing abstractions for spatial datastructures and search1,118,528MITComputer visionData structures space-cmdCommand center for space agents40Apache-2.0 space-dustA comprehensive astrodynamics library for satellite tracking, orbital mechanics, coordinate transformations, and celestial…218MITAerospaceScience space-fillingGeneralized 2D space filling5,119GPL-3.0Science space-libWebAssembly host functions for Space Operator9,023Apache-2.0 space-macroMacro for space-lib4,753Apache-2.0 space-operator-cliCLI for Space Operator8,656AGPL-3.0-only space-packetRust implementation of the CCSDS Space Packet Protocol1,885MIT OR Apache-2.0 space-partitioningSpace partitioning data structures6,443MITComputer visionGame development space-renderA compact render plugin to the Amethyst game engine which renders background stars, close up stars (the sun) and planet…1,725MIT space-rxRust wrapper over the unofficial SpaceX API.3,289MIT OR Apache-2.0API bindings space-searchA library providing basic generic depth-first, breadth-first, heuristic-guided, and A* search space exploration algorithms.14,567MIT space-timeA nightly only library of space-time filling curves that supports no-std.8,077non-standard space-tradersAsync SpaceTraders API client for Rust.4,404MIT OR Apache-2.0API bindingsAsynchronous space-traders-apiGenerated API client for SpaceTraders1,681MIT space-unitsType-safe units of measure for aerospace quantities21Apache-2.0No standard libraryScience space-weatherSpace weather indices and parsers for aerospace applications (no_std)24MIT OR Apache-2.0AerospaceParser implementations space_allocGeneral purpose space allocators2,716MIT OR Apache-2.0Algorithms space_bevy_xpbd_pluginSpace XPBD plugin for space_editor crate3,347MIT OR Apache-2.0 space_editorPrefab editor for bevy game engine. Make levels/object templates with intuitive UI3,685MIT OR Apache-2.0Game development space_editor_coreSubcrate for the space_editor crate. Contains the core functionality of the editor.3,986MIT OR Apache-2.0 space_editor_uiSubcrate for the space_editor crate. Contains the UI for the editor.3,620MIT OR Apache-2.0 space_email_apiA rust interface to Space Email (space.galaxybuster.net)9,644MIT space_engineersRust data structures and serialization for Space Engineers294MIT space_engineers_compatCompatibility types for Space Engineers data structures (DateTime, Guid, math, bitfields, etc.)591MIT space_engineers_sysAuto-generated Space Engineers data structures (codegen output)487MIT space_engineers_transportSpace Engineers network transport layer - packet framing, replication, and RPC232MIT space_finderTool to find and visualize the largest files and folders on your disk40GPL-3.0-only space_osSpaceos game1,787MIT space_persistenceSubcrate for the space_editor crate. Contains the persistence code for the space_editor4,386MIT OR Apache-2.0 space_prefabSubcrate for the space_editor crate. Contains the prefab systems and components.4,344MIT OR Apache-2.0 space_protocolsA Rust library providing implementations for various space protocols.950Apache-2.0 space_sharedSubcrate for the space_editor crate. Contains the common types used in the space_editor4,950MIT OR Apache-2.0 space_trackA Rust client for the Space-Track API1,516MITAerospaceAPI bindings space_trav_lr_rustSpatial gene regulatory network inference and in-silico perturbation (Rust port of SpaceTravLR)54MITCommand line utilitiesScience space_travellerA simple command-line game engine based on the MVC architecture, centered around cosmic space.6,900MIT space_undoSubcrate for the space_editor crate. Contains undo functionality.4,614MIT OR Apache-2.0 spaceapiSpaceAPI types and serialization/deserialization.84,685MIT OR Apache-2.0API bindings spaceapi-dezentraleSpaceAPI types and serialization/deserialization.6,748MIT OR Apache-2.0API bindings spaceapi-dezentrale-serverA library that allows you to easily implement a SpaceAPI server.1,486MIT OR Apache-2.0 spaceapi-serverA library that allows you to easily implement a SpaceAPI server.18,215MIT OR Apache-2.0 spaceapi-validatorValidator for Space API JSON data.2,397MIT/Apache-2.0 spacearth-dtnA Rust-based implementation of Delay Tolerant Networking (DTN) for resilient communication1,276MIT OR Apache-2.0AsynchronousNetwork programming spacebadgersFast SVG badge generator12,190MIT spacebadgers-utilsA collection of utilities for the SpaceBadgers project.3,226MIT spacebarAn anti-plagiarism tool based on null width characters.8,760non-standard spacebar-commonThe common library for Project Spacebar1,817non-standard spacebattleshipImplementation of the classic game Battleship with support for arbitrary dimensions and spaces through generics.1,668Apache-2.0 spacebin-clitext sharing for astronauts16,105BSD-3-Clause-ClearCommand line utilitiesDevelopment tools spacebrrswarm-as-a-service (coming soon)24MIT spacecellDatetime library with ISO8601/RFC3339 parsing, calendar arithmetic, and business day calculations23Apache-2.0Date and timeNo standard library spacecrabCommand-line interface for the SpaceCrab scanner1,568MIT OR Apache-2.0Command line utilities spacecrab-coreCore file-scanning library for SpaceCrab2,035MIT OR Apache-2.0Command line utilitiesDevelopment tools spacecraftRust framework for building Cosmos chains with focus on quality and correctness1,556Apache-2.0 spacecraftsSpacecraft metadata6,310MIT OR Apache-2.0Aerospace::Space protocols spacecrafts-rsSpacecraft metadata1,249non-standardAerospace::Space protocols spacecurveSpace-filling curves library and visualization tools.690MITAlgorithmsGraphics spaced-repetitionA spaced repetition algorithm based on anki and supermemo2,800BSD-2-ClauseAlgorithms spaced-repetition-rsA spaced repetition algorithm based on anki and supermemo1,600BSD-2-ClauseAlgorithms spaced-reviewA minimalistic terminal-based vocabulary learner or flashcard tool, using a spaced repetition algorithm.2,575GPL-3.0+Command line utilitiesVisualization spaced-rsA small library implementing a sm2 inspired SR algorithm6,072GPL-3.0-only spacedatastandards-orgSpace data standards framework based on CCSDS standards and Google FlatBuffers.534Apache-2.0 spacedbA cryptographically verifiable data store and universal accumulator for the Spaces protocol.858Apache-2.0CryptographyData structures spacedb-accessSpaceDB Layer 5 — identity & access: signed, scoped, expiring, revocable capabilities (ECDSA P-256 / ES256) that gate every…72MIT OR Apache-2.0 spacedb-consistencySpaceDB Layer 3 — consistency tiers: an explicit, honest, per-field choice of Convergent (CRDT, default), Causal+ (session…41MIT OR Apache-2.0 spacedb-consoleSpaceDB operator console — the read-model behind the developer/ops dashboard. Turns raw fleet, access, audit and settlement…30MIT OR Apache-2.0 spacedb-crdtSpaceDB Layer 1 — convergent collections: the Y-CRDT (yrs) document model with a typed field->CRDT mapping (LWW-Register,…127MIT OR Apache-2.0 spacedb-durabilitySpaceDB Layer 2 (cold path) — mesh durability: seal a dataset into a content-addressed, Reed-Solomon erasure-coded snapshot and…91MIT OR Apache-2.0 spacedb-meterSpaceDB Layer 6 — metering & settlement: deterministic measurement of storage (bytes x time x replica_count), compute (fuel +…48MIT OR Apache-2.0 spacedb-querySpaceDB Layer 4 — compute-to-data: run a deterministic, fuel/memory-bounded WASM function next to the data and return a…20MIT OR Apache-2.0 spacedb-replicaSpaceDB Layer 2 (hot path) — live convergence between replicas: the anti-entropy sync protocol over a Transport seam, with an…34MIT OR Apache-2.0 spacedb-sdkSpaceDB developer SDK — the one surface a developer picks up: an offline-first local replica with a per-field schema (CRDT type +…20MIT OR Apache-2.0 spacedb-simA deterministic discrete-event simulator for SpaceDB — a population of real CRDT replicas gossiping the real SyncMessage protocol…20MIT OR Apache-2.0 spacedb-storeSpaceDB Layer 0 — the per-node storage primitive: an engine-agnostic, transactional, order-preserving typed key/value store (redb…137MIT OR Apache-2.0 spacedb-vectorSpaceDB Layer 4 — the private-RAG substrate: an on-node vector index where a query embedding goes in and only top-k results come…19MIT OR Apache-2.0 spacedisplayFast and lightweight tool to scan your disk space.2,925MIT OR Apache-2.0Command line utilitiesFilesystem spacedisplay-cliFast and lightweight tool to scan your disk space.4,466MITCommand-line interfaceCommand line utilities spacedisplay-libLibrary to scan your disk space.3,608MITFilesystem spacedlsno_std CCSDS 355.0-B-2 (SDLS) Space Data Link Security implementation14Apache-2.0AerospaceCryptography spacedls-macrosProc macros for spacedls: static keyring and SA store generation27Apache-2.0 spacedustAn API wrapper for spacetraders.io V221,126non-standardAPI bindings spacefinderA disk-space cleanup tool: find old, bulky, or redundant files and clear them out.22GPL-3.0-onlyFilesystemGUI spaceflake⛄ A distributed generator to create unique IDs with ease in Rust; inspired by Twitter's Snowflake7,868non-standard spaceflightPlaceholder crate1,436GPL-3.0-or-later spaceformA cross-platform SIMD-accelerated maths library for 3D graphics4,057Apache-2.0 spacefreeUltra-fast file deletion CLI tool (supports trash)43MITCommand line utilities spacegameA bad 2D game.43GPL-3.0-only spacegateA library-first, lightweight, high-performance, cloud-native supported API gateway2,482MIT/Apache-2.0Web programming spacegate-configA library-first, lightweight, high-performance, cloud-native supported API gateway4,457MIT/Apache-2.0Web programming spacegate-ext-axumA library-first, lightweight, high-performance, cloud-native supported API gateway5,167MIT/Apache-2.0Web programming spacegate-ext-redisA library-first, lightweight, high-performance, cloud-native supported API gateway5,163MIT/Apache-2.0Web programming spacegate-impl-hyperCloud-native-first lightweight API gateway1,231MIT/Apache-2.0Web programming spacegate-kernelA library-first, lightweight, high-performance, cloud-native supported API gateway12,951MIT/Apache-2.0Web programming spacegate-modelA library-first, lightweight, high-performance, cloud-native supported API gateway4,940MIT/Apache-2.0Web programming spacegate-pluginA library-first, lightweight, high-performance, cloud-native supported API gateway4,448MIT/Apache-2.0Web programming spacegate-shellA library-first, lightweight, high-performance, cloud-native supported API gateway4,182MIT/Apache-2.0Web programming spacehogA simple utility for finding large files on your system.3,236MIT OR Apache-2.0Command line utilities spaceindexspaceindex7,660MIT OR Apache-2.0 spaceindex-pyspaceindex pythony module1,613MIT OR Apache-2.0 spacejamTake your protein pills and put your helmet on.4,515GPL-3.0+ spacejam-buildkitBuildkit for JAM builders442GPL-3.0 spacejam-hookBuildkit for JAM builders466GPL-3.0 spacejam-serviceService types in SpaceJam2,918GPL-3.0Embedded developmentNo standard library spacejsonDerive JSON interfaces for types1,628GPL-3.0EncodingNo standard library spacejson-deriveDerive JSON interfaces for types1,779GPL-3.0EncodingNo standard library spacemanA WIP library for calculating common orbital maneuvers in Kerbal Space Program.800LGPL-3.0AerospaceScience spacemapA beautiful CLI tool for analyzing disk space usage with rich terminal visualizations208MIT OR Apache-2.0Command line utilitiesFilesystem spacemodA easy to understand and powerful text search-and-replace tool3,769MIT spacemouse-proxyWebSocket proxy for 3DConnexion SpaceMouse on macOS24MITHardware support spacenavLibrary for interfacing with the open source Spacenav daemon.2,457MIT spacenav-plusUnsafe libspnav FFI bindings for Rust4,080MIT spacepacketA CCSDS compliant spacepacket en/de-coder with CRC and Sink/Stream support.3,150MITAerospace::Space protocols spacepacketsGeneric implementations for various CCSDS and ECSS packet standards86,250Apache-2.0AerospaceAerospace::Space protocols spacerA CLI utility for adding spacers when command output stops22,872MITCommand line utilities spaceralklibrary and binary to speak to the spacewalk RPC API1,701MIT spacerocksSoftware for solar system calculations.6,131GPL-3.0 spacesSet/space primitives for defining machine learning problems.47,023MIT spaces-a2aA2A protocol bridge for Life Spaces — exposes Life agents as A2A-compatible services75MIT OR Apache-2.0 spaces-archiverA tool for easily compressing and decompressing files built for spaces355MIT spaces-printerA tool for managing sub-processes and showing progress in the terminal628MIT spaces_checkpointCheckpoint loader and builder for the Spaces protocol.203MIT spaces_clientSpaces client (spaced) and CLI (space-cli) for the Spaces Protocol.229MIT spaces_numsNumeric identifier extension for the Spaces protocol.703MIT spaces_protocolCore protocol types and consensus rules for the Spaces Protocol.809MIT spaces_walletWallet implementation for the Spaces Protocol.276MIT spaceshipweb2,795MIT spaceship-cliCli utility tool of the spaceship project1,457MIT spaceship-deriveCrate with the spaceship derive macros2,096MIT spaceslugsConvert weird strings to url-safe strings.2,739 spacesuitEmbedded license information.1,218MIT OR Apache-2.0No standard library spacetermSpaceTerm native app.17MIT OR Apache-2.0 spaceterm-coreSpaceTerm core: PTY-driven terminal that parses a session into a block list.46MIT OR Apache-2.0 spaceterm-muxMultiplexer server: headless PTY session manager with attach/detach over Unix sockets.32MIT OR Apache-2.0 spaceterm-protoTerminal Block Protocol (TBP) v1: wire types and codec.58MIT OR Apache-2.0 spaceterm-renderSpaceTerm terminal screen model: a VT-driven cell grid (CPU side of the text grid).46MIT OR Apache-2.0 spacetime-async-coreSpacetime async core: executor-agnostic async traits for no_std41MIT spacetime-bindings-macro-inputUnofficial Input Crate for the SpacetimeDB Macro Bindings.2,266non-standard spacetime-capabilitiesMinimal capability identity and metadata types for Spacetime runtimes28MIT spacetime-coreSpacetime core: no_std-first traits and types for modules and runtimes242MIT spacetime-cryptoSpacetime crypto facades: no_std-first RNG/entropy traits29MIT spacetime-dbspacetime-db1,511non-standard spacetime-healthPortable health snapshot types shared across runtimes54MIT spacetime-ioSpacetime I/O traits: no_std-friendly sync Read/Write/Flush facades31MIT spacetime-ipcSpacetime IPC facades: no_std-first inter-process communication traits48MIT spacetime-loggingSpacetime logging facade: no_std-friendly logging levels, event API, and lightweight macros43MIT spacetime-macrosProcedural macros to reduce boilerplate for Spacetime modules (experimental)32MIT spacetime-moduleSpacetime module graph and lifecycle helpers59MIT spacetime-std-runtimeStd-backed Clock/Timer/Runtime implementations for spacetime-core111MIT spacetime-storageSpacetime storage facades: no_std-first key/value traits29MIT spacetime_physicsPhysics engine for SpacetimeDB872Apache-2.0 spacetime_tiledSpacetimeDB integration for loading Tiled map editor files282MIT OR Apache-2.0Database interfacesGame development spacetimedbEasy support for interacting between SpacetimeDB and Rust.214,493non-standard spacetimedb-authAuth helpers for SpacetimeDB4,317non-standard spacetimedb-bindgenEasy support for interacting between SpacetimeDB and Rust.2,811non-standard spacetimedb-bindingsspacetimedb-bindings1,466non-standard spacetimedb-bindings-macroEasy support for interacting between SpacetimeDB and Rust.250,260non-standard spacetimedb-bindings-sysEasy support for interacting between SpacetimeDB and Rust.211,008non-standard spacetimedb-cliA command line interface for SpacetimeDB40,255non-standard spacetimedb-client-apiThe HTTP API for SpacetimeDB25,173non-standard spacetimedb-client-api-messagesTypes for the SpacetimeDB client API messages87,689non-standard spacetimedb-codegenClient codegen for SpacetimeDB1,906non-standard spacetimedb-commitlogImplementation of the SpacetimeDB commitlog.17,717non-standard spacetimedb-coreThe core library for SpacetimeDB27,235non-standard spacetimedb-data-structuresAssorted data structures used in spacetimedb89,937non-standard spacetimedb-datastoreThe datastore library for SpacetimeDB1,210non-standard spacetimedb-durabilityTraits and single-node implementation of durability for SpacetimeDB.17,332non-standard spacetimedb-executionThe SpacetimeDB query engine5,722non-standard spacetimedb-exprThe logical expression representation for the SpacetimeDB query engine9,086non-standard spacetimedb-expr-2The logical expression representation for the SpacetimeDB query engine952non-standard spacetimedb-fs-utilsAssorted utilities for filesystem operations used in SpacetimeDB15,430non-standard spacetimedb-jsonwebtokenCreate and decode JWTs in a strongly typed way.196,737MIT spacetimedb-jwksA library for retrieving and parsing JSON Web Key Sets (JWKS)186,793MIT spacetimedb-libA common library for SpacetimeDB249,734non-standard spacetimedb-memory-usageProvides the trait `MemoryUsage`38,637non-standard spacetimedb-metricsPrometheus utilities for SpacetimeDB87,997non-standard spacetimedb-pathsThe spacetimedb directory structure, represented as a type hierarchy8,589non-standard spacetimedb-physical-planThe physical query plan for the SpacetimeDB query engine5,940non-standard spacetimedb-primitivesPrimitives such as TableId and ColumnIndexAttribute225,874non-standard spacetimedb-queryTop level crate for invoking the query engine and optimizer5,233non-standard spacetimedb-query-builderRust query builder for SpacetimeDB87,790non-standard spacetimedb-query-plannerThe SpacetimeDB query planner1,176non-standard spacetimedb-satsSpacetime Algebraic Type Notation241,961non-standard spacetimedb-schemaSchema library for SpacetimeDB47,512non-standard spacetimedb-schema-2Schema library for SpacetimeDB1,202non-standard spacetimedb-sdkA Rust SDK for clients to interface with SpacetimeDB79,950non-standard spacetimedb-snapshotLow-level interfaces for capturing and restoring snapshots of database states13,424non-standard spacetimedb-sql-parserThe SpacetimeDB SQL AST and Parser46,144non-standard spacetimedb-sql-parser-2The SpacetimeDB SQL AST and Parser1,575non-standard spacetimedb-standaloneAn executable for running a single SpacetimeDB standalone instance24,821non-standard spacetimedb-subscriptionThe SpacetimeDB subscription compiler5,040non-standard spacetimedb-tableA database Table implementation and friends19,990non-standard spacetimedb-vmA VM for SpacetimeDB28,771non-standard spacetimedslThe SpacetimeDB Rust Server Module meta-framework11,204MIT OR Apache-2.0 spacetimedsl_deriveMacros to extend SpacetimeDSL. You shouldn't depend on this directly and instead use the spacetimedsl crate.12,639MIT OR Apache-2.0 spacetimedsl_derive-inputContains structs which represent the input and output of SpacetimeDSL. Can be used by other proc-macro crates to build Macros…7,721MIT OR Apache-2.0 spacetokenSpace allocator that is decoupled from actual storage.6900BSDData structures spacetraceA 3D path solving library2,383GPL-3.0No standard library spacetrace-visualizerVisualization tool for SpaceTrace1,557GPL-3.0