CATEGORY
Simulation 1,973 crates
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.
stratneo-nautilus-portfolioPortfolio components and functionality for the Nautilus trading engine1,051LGPL-3.0-or-later
nautilus-okxOKX exchange integration adapter for the Nautilus trading engine1,051LGPL-3.0-or-later
stratneo-nautilus-tradingStrategy machinery and controllers for the Nautilus trading engine1,044LGPL-3.0-or-later
astrodynamics-gnssGNSS domain layer (SP3, broadcast ephemeris, multi-GNSS single-point positioning, ionosphere/troposphere, DOP) built on the…1,031MIT
hdl-cat-kindHardware-describable-type trait (Hw) and type descriptors for hdl-cat1,026MIT OR Apache-2.0
moosicbox_simulator_utilsMoosicBox Simulator Utils package1,025MPL-2.0
pitwallModern, type-safe Rust library for iRacing telemetry data999MIT
thermal_rsThermal Conduction Simulation Library976MIT
quantsim_coreA quantum circuit simulator949MIT OR Apache-2.0
aaronson-oracleA simple ngram-based predictor for a binary choice.947MIT
hdl-cat-irHardware IR: typed wires, gate instructions, free-category embedding934MIT OR Apache-2.0
bevyhub-cliCLI tools for managing Bevyhub projects.928MIT OR Apache-2.0
icentral-operation-updateEfficiently updates betweenness centrality scores in graphs. Supports edge operations on connected and biconnected components…926MIT OR Apache-2.0
icentral-matchProvides constructs for graph-based computations and detailed analysis of betweenness centrality within undirected graphs.924MIT OR Apache-2.0
icentral-parallel-brandesEfficient parallel computation of betweenness centrality using Brandes' algorithm in large graphs, leveraging Rust's concurrency…924MIT OR Apache-2.0
icentral-test-insertionEfficiently insert edges into graphs to evaluate betweenness centrality using advanced hash methodologies.924MIT OR Apache-2.0
icentral-count-bccA Rust crate for counting biconnected components in graphs with a specified minimum number of edges, useful for network analysis…920MIT OR Apache-2.0
rusty-psfA comprehensive Point Spread Function (PSF) library for microscopy and optical systems919BSD-3-Clause
murk-coreCore types and traits for the Murk simulation framework917MIT
astrograph-binA library dedicated to provinding astronomical predictions of non-chaotic and deterministic bodies.915LGPL-3.0-or-later
icentral-test-rustworkxThe `icentral-test-rustworkx` crate provides advanced functionality for graph processing and analysis, leveraging Rust's…912MIT OR Apache-2.0
raikanHanabi bot using Hyphenated rules for hanab.io908AGPL-3.0-or-later
bevy-sensorBevy library for capturing multi-view images of 3D OBJ models (YCB dataset) for sensor simulation903MIT
ruv-swarm-daaDecentralized Autonomous Agents (DAA) integration for ruv-swarm890MIT
embythe beetmash ambassador878MIT OR Apache-2.0
webots-rsSafe Rust bindings and wrappers for the Webots controller API873MIT OR Apache-2.0
capability-exampleA framework for managing skill tree growth and configuration using automated and manual strategies, ideal for AI-driven…870GPL-3.0-only
refaultdeterministic simulation framework for distributed systems using async867MIT OR Apache-2.0
instmodel_inferenceHigh-performance neural network inference library with instruction-based execution867MIT
greenersHigh-performance econometrics with R/Python formulas. Two-Way Clustering, Marginal Effects (AME/MEM), HC1-4, IV Predictions,…852MIT
hdl-cat-circuitCircuit as symmetric monoidal category built on comp-cat-rs and hdl-cat-ir852MIT OR Apache-2.0
ferromotion-coreRobot kinematic optimization in Rust — FK, analytic Jacobians, Levenberg-Marquardt IK. WASM-clean.845MIT OR Apache-2.0
vertiA GPU accelerated physics engine for the Bevy game engine with first class support for WebGPU.844MIT OR Apache-2.0
capability-grower-configuration-comparisonA Rust crate for in-depth comparison of grower tree configurations, supporting nuanced evaluation of structural and policy…832GPL-3.0-only
cobre-sddpStochastic Dual Dynamic Programming (SDDP) for hydrothermal dispatch and energy planning831Apache-2.0
libutils-consoleA simple generalized I/O interface830MIT
nautilus-polymarketPolymarket integration adapter for the Nautilus trading engine830LGPL-3.0-or-later
surge-networkSurge network — canonical power-system domain model828PolyForm-Noncommercial-1.0.0
origamiA programmable Minecraft client to build agents/bots.827MIT
moosicbox_simulator_harnessMoosicBox Simulator Harness package817MPL-2.0
neurodnaHigh-performance evolutionary neural networks with genetic encoding, SIMD optimizations, and neurodivergent cognitive modeling811MIT
gpoA general-purpose population-based optimization library808MIT
atelier_resultsStandardized results, errors and successes for the atelier-rs engine800Apache-2.0
reposix-simIn-process axum-based simulator of an issue-tracker REST API for reposix testing.800MIT OR Apache-2.0
supasim-kernelsA kernel/shader compiling library made for use with supasim796GPL-3.0
ntpsec-rs-ioReal OS I/O layer for ntpsec-rs — clock, sockets, filesystem, privileges793MIT OR Apache-2.0
exo-backend-classicalClassical compute backend for EXO-AI cognitive substrate with SIMD acceleration779MIT OR Apache-2.0
glamdet-na-convType conversions between glam and nalgebra775non-standard
stochastic-rs-coreCore traits, SIMD RNG, and macros for stochastic-rs.775MIT
rust_backtesterStandalone Rust IMC Prosperity 4 backtester771MIT OR Apache-2.0
phys-raycastRay casting functionality for 3D physics shapes769non-standard
oldies-coreCore types for legacy simulator revival - ODE systems, time series, ion channels768MIT OR Apache-2.0
hdl-cat-syncMealy/Moore machines as IR arrows with initial state768MIT OR Apache-2.0
aws-local-coreShared infrastructure for aws-local: DB pool, config, error types755MIT OR Apache-2.0
randlasA program to generate random lidar files.754non-standard
symbiosA derivation engine for L-Systems (ABOP compliant).753MIT
sigmoid-freudA therapeutic roleplay assistant for exposure therapy, social anxiety practice, and communication skills development using LLMs751Apache-2.0
stratneo-nautilus-cryptographyCryptographic primitives and management for the Nautilus trading engine748LGPL-3.0-or-later
hdl-cat-verilogVerilog AST + emitter for hdl-cat IR graphs738MIT OR Apache-2.0
surge-solutionSurge solution types — shared power flow and OPF result contracts736PolyForm-Noncommercial-1.0.0
surge-topologyTopology engine for node-breaker to bus-branch reduction731PolyForm-Noncommercial-1.0.0
prakashOptics and light simulation — ray optics, wave optics, spectral math, lens geometry, atmospheric scattering, physically-based…725GPL-3.0-only
smmuARM SMMU v3 (System Memory Management Unit) implementation - Production-grade translation engine722MIT OR Apache-2.0
cortenforge-sim-coreBevy-based simulation runtime primitives (modes, config, plugins) for the CortenForge stack.722Apache-2.0
servo-libs-simulatorServo motor simulation crate with channel management720MIT
prism-qPRISM-Q: Performance Rust Interoperable Simulator for Quantum720MIT OR Apache-2.0
bevy_symbios_textureAlgorithmic texture generator for Bevy.719MIT
stratneo-nautilus-riskCore risk management machinery for the Nautilus trading engine719LGPL-3.0-or-later
aprender-simulateUnified Simulation Engine for the Sovereign AI Stack714MIT
qsiA small and fast simulation framework.713MIT OR Apache-2.0
xoroshiro256-full⚡ **Fast**, 🧪 **deterministic**, and 🧰 **ergonomic** implementation of **xoroshiro256**** with **no bit waste**.710Apache-2.0
stratneo-nautilus-serializationSerialization functionality for the Nautilus trading engine709LGPL-3.0-or-later
moosicbox_server_simulatorMoosicBox Server Simulator package701MPL-2.0
murk-spaceSpatial data structures and field storage for Murk simulations701MIT
rstm-rulesthis crate implements the core modules of the rstm sdk699Apache-2.0
nexosim-io-utilsI/O utilities for NeXosim-based simulations.690MIT OR Apache-2.0
dreamwell-mathDreamwell classical mathematics — complex numbers, spatial hashing, wave equations, Fibonacci sequences, interpolation. Clean…689Apache-2.0
marine_vessel_simulatorA simulator for marine vessels and their performance in various conditions.689GPL-3.0-or-later
sharpebench-simSharpeBench point-in-time market simulator + reference agents (Phase 1).685MIT OR Apache-2.0
capability-grower-configuration-reconciliationA Rust library for comparing and reconciling grower skill tree configurations, capturing configuration changes exceeding…684GPL-3.0-only
attractA small library for visualsing dynamical systems, particularly strange attractors.682MIT
character-traits-transformative-abilitiesA Rust crate providing a conceptual framework for defining and analyzing transformative abilities using complex attributes and…682MIT
character-traits-warrior-capabilityA Rust crate for modeling and simulating a broad spectrum of warrior capabilities, aimed at enhancing intricate game mechanics…679MIT
nautilus-bitmexBitMEX exchange integration adapter for the Nautilus trading engine678LGPL-3.0-or-later
geospecA geometry specification library for ECS-style simulations. Provides shape definitions (sphere, box, cylinder, etc.), dimension…675MIT
hdl-cat-simStream-based simulator for hdl-cat Sync machines675MIT OR Apache-2.0
exo-exoticExotic cognitive experiments: Strange Loops, Dreams, Free Energy, Morphogenesis, Collective Consciousness, Temporal Qualia,…673MIT OR Apache-2.0
character-traits-strategic-and-tactical-mindsetA Rust crate for modeling and analyzing strategic and tactical mindsets, providing enums, macros, and builder patterns to…672MIT
quantrs2-symengine-purePure Rust symbolic mathematics for quantum computing - a replacement for C++-based symengine671Apache-2.0
goonjGoonj — acoustics engine for sound propagation, room simulation, and impulse response generation670GPL-3.0-only
character-traits-adaptability-and-resourcefulnessConcrete behavioral descriptors illustrating adaptability and resourcefulness based on historic and mythic profiles.662MIT
character-traits-ethical-frameworkA sophisticated framework for modeling intricate ethical structures in character development, useful for games, simulations, and…662MIT
stratneo-nautilus-systemSystem orchestration for the Nautilus trading engine661LGPL-3.0-or-later
character-traits-beauty-and-charmA crate providing structured typologies and methods for analyzing and constructing profiles of beauty and charm.661MIT
character-traits-emotional-dispositionRust crate for analyzing and synthesizing emotional traits, systematically distinguishing core emotional qualities and nuanced…661MIT
stratneo-nautilus-binanceBinance exchange integration adapter for the Nautilus trading engine660LGPL-3.0-or-later
ferromotion-controlControl schemes for physical AI, in Rust — PID, computed-torque, Cartesian impedance, and more. WASM-clean.659MIT OR Apache-2.0
character-traits-motivational-driversA Rust crate for modeling complex character motivations using structured core motivations, nuanced attributes, and motivational…657MIT
capability-grower-configuration-from-skeletonA Rust crate for inferring tree configurations from skill tree skeletons using statistical algorithms and heuristics, tailored…656GPL-3.0-only
wave-memoryA geometric wave-memory system where waves adapt the form. Inspired by Leonov recursive structures.654MIT OR Apache-2.0
character-traits-interpersonal-influenceA Rust crate providing fine-grained descriptors of interpersonal influence derived from historical and mythological archetypes.…654MIT
pflow-coreCore Petri net types, fluent builder API, and state utilities654MIT
impetusPhysics engine — 2D/3D rigid body simulation, collision detection, constraints, and spatial queries for AGNOS654GPL-3.0-only
character-traits-relational-expectationsA Rust crate for modeling complex relational expectations and intrinsic dimension ratings of character traits.651MIT
nautilus-pluginPlug-in system for the Nautilus trading engine651LGPL-3.0-or-later
character-traits-relationship-with-fate-and-mortalityA comprehensive framework for modeling character traits and their relationship with divine gifts, symbolic meanings, fate, and…650MIT
aprender-monte-carloMonte Carlo simulations for finance, stock market, and business forecasting650MIT
stratneo-nautilus-dataCore data handling machinery for the Nautilus trading engine648LGPL-3.0-or-later
wanglandauModel-agnostic Wang–Landau Monte-Carlo core driver642MIT
character-traits-spiritual-and-metaphysical-natureA Rust crate for characterizing entities with spiritual and metaphysical traits through comprehensive descriptors, core spiritual…642MIT
cobreOpen infrastructure for power system computation — umbrella crate641Apache-2.0
beet_agentECS agentic workflow patterns636MIT OR Apache-2.0
symbios-groundAn algorithmic terrain engine.630MIT
qchullProvides quick convex hull algorithm629non-standard
i8051-debug-tuiA TUI for debugging the i8051 microcontroller emulator.628MIT OR Apache-2.0
math-xem-commonCommon types and utilities for BEM/FEM room acoustics simulators625GPL-3.0-or-later
dreamwell-engineDreamwell pure-logic engine library — transforms, hierarchy, canon pipeline, spatial math, hashing, tile rules, validation,…623Apache-2.0
nautilus-bybitBybit exchange integration adapter for the Nautilus trading engine622LGPL-3.0-or-later
stochastic-rs-stochasticStochastic process simulation.618MIT
rstm-programsThis crate focuses on providing various structures and utilities for programs within rstm617Apache-2.0
dreamwell-quantumDreamwell quantum simulation — density matrices, Hamiltonian evolution, CPTP channels, Born rule measurement, interference…617Apache-2.0
phys-inertiaProvides inertia computation ability616non-standard
ferromotion-policyOn-device runner for exported learned policies (RL/VLA MLPs) — inference only, WASM-clean. Interop tier: run trained weights,…615MIT OR Apache-2.0
ushmaThermodynamics simulation — heat transfer, entropy, equations of state, thermal properties613GPL-3.0-only
kingmakerA modular, performant, social choice framework for the simulation, computation, and analysis of strategic voting.612Apache-2.0 OR MIT
supasim-halA hardware abstraction layer allowing easy use of multiple GPU libraries, made for supasim.611GPL-3.0
ferromotion-ruckigJerk-limited, time-optimal trajectory generation in Rust — a port of Ruckig's MIT Community S-curve. WASM-clean, no deps.609MIT OR Apache-2.0
pravashFluid dynamics simulation — SPH, Euler/Navier-Stokes, shallow water, buoyancy, drag, vortex dynamics608GPL-3.0-only
bolaA lightweight native rust linear algebra library.608MIT
surge-acSurge AC — Full AC power flow solver (Newton-Raphson, Fast Decoupled, continuation)599PolyForm-Noncommercial-1.0.0
mabi-bacnetMabinogion - BACnet/IP simulator595Apache-2.0
mabi-chaosMabinogion - Chaos engineering module for fault injection and resilience testing595Apache-2.0
ntpsec-rs-dNTPsec daemon — forensic Rust reconstruction of ntpd593MIT OR Apache-2.0
percli-coreOffline simulation adapter for the Percolator risk engine591Apache-2.0 OR MIT
crabka-kraft-coreDeterministic, sans-IO KRaft consensus core (KIP-595/996) for Crabka — wasm-friendly591Apache-2.0
mabi-knxMabinogion - KNXnet/IP simulator591Apache-2.0
rstm-traitsThis crate focuses on building concrete implementations for Turing Machines.589Apache-2.0
quantsimA quantum circuit simulator ecosystem589MIT OR Apache-2.0
hdl-catUmbrella crate re-exporting the hdl-cat workspace588MIT OR Apache-2.0
mabi-scenarioMabinogion - Scenario engine for time-based simulation orchestration586Apache-2.0
petekstaticpetekStatic — the GEOMODEL layer: structural framework, grid construction, property modelling, volumetrics and static…585BUSL-1.1
ntpsec-rsUmbrella crate for ntpsec-rs — forensic Rust reconstruction of NTPsec584MIT OR Apache-2.0
mabi-modbusMabinogion - Modbus TCP/RTU simulator584Apache-2.0
mabi-opcuaMabinogion - OPC UA server simulator578Apache-2.0
massive_game_server_coreA high-performance Rust game server core for massive multiplayer interactions, part of Project Trebuchet.572MIT
nano-consciousnessHigh-performance consciousness-inspired AI framework with nanosecond scheduling and temporal processing571MIT OR Apache-2.0
hdl-cat-macros#[kernel] attribute macro for lifting Rust functions into hdl-cat IR565MIT OR Apache-2.0
random_access_rngA deterministic random number generator with hierarchical seeding and random access functionality563non-standard
hdl-cat-signalClock-domain-indexed signal type over comp-cat-rs Stream562MIT OR Apache-2.0
gdockInformation-driven protein-protein docking using a genetic algorithm5610BSD
oxihuman-morphParametric morphology engine for human body generation — targets, blendshapes, FACS560Apache-2.0
hdl-cat-stdStandard component library for hdl-cat560MIT OR Apache-2.0
veilus-fingerprint-coreShared types and errors for the veilus-fingerprint browser fingerprint generator557MIT OR Apache-2.0
vpi-shimRuntime symbol shim for VPI plugins on platforms that require explicit symbol resolution.550MIT
murk-propagatorPropagator trait and step context for Murk simulations549MIT
surge-ioSurge I/O — Parser/writer for MATPOWER, PSS/E RAW, IEEE CDF, XIIDM, UCTE, and JSON case formats546PolyForm-Noncommercial-1.0.0
nautilus-hyperliquidHyperliquid integration adapter for the Nautilus trading engine542LGPL-3.0-or-later
thevenin-xspiceXSPICE code model framework for thevenin circuit simulator542BSD-3-Clause
atelier_rsEngine for High Frequency, Synthetic and Historical, Market Microstructure Modeling540Apache-2.0
tucano-macrosMacros do ecossistema Tucano540MIT
fluent-fsmA simple way to create a state machine540MIT
trotter_qsimSparse, persistent XXZ quantum simulator using second-order Trotter decomposition with optional GPU acceleration.538MIT
nanobookDeterministic Rust execution engine for trading backtests: limit-order book, portfolio simulation, metrics, risk checks, and…534MIT
surge-dcSurge DC — DC power flow solver (linear approximation, B-theta formulation)530PolyForm-Noncommercial-1.0.0
surge-hvdcHVDC power flow: LCC and VSC converters, multi-terminal DC (MTDC)525PolyForm-Noncommercial-1.0.0
mabi-runtimeMabinogion shared runtime contracts and service orchestration525Apache-2.0
rafty-simulatorA simulator for rafty applications.521MIT OR Apache-2.0
deep_causality_physicsStandard library of physics formulas and engineering primitives for DeepCausality.518MIT
tensorlogic-quantrs-hooksProbabilistic graphical model and message-passing interoperability for QuantRS2517Apache-2.0
kimiyaKimiya — chemistry engine for elements, molecules, reactions, kinetics, and thermochemistry517GPL-3.0-only
veilus-fingerprint-dataEmbedded Bayesian network data for the veilus-fingerprint browser fingerprint generator514MIT OR Apache-2.0
injectumThe modern, type-safe process injection framework for Red Teams and Offensive Security in Rust.512MIT
symbios-turtle-3dSpatial interpretation layer for Symbios L-Systems using glam.509MIT
dreamwell-attentionDreamwell attention algorithms — causal attention, spatial attention, observer attention, wave coherence, decoherence services,…508Apache-2.0
ferromotion-fluid2D incompressible Navier-Stokes (MAC projection) for fluid–robot interaction. WASM-clean.506MIT OR Apache-2.0
octopusA fast, flexible framework for multi-armed bandit strategies in Rust.504MIT
ferromotionFerromotion — a Rust library for the kinematics, dynamics, and control of physical AI (native + WebAssembly). Umbrella crate…499MIT OR Apache-2.0
sc_neurocore_engineHigh-performance SIMD backend for SC-NeuroCore stochastic neuromorphic computing498AGPL-3.0-or-later
minifly-apiAPI server for Minifly - Local Fly.io development simulator496MIT
ferromotion-wasmUniversal WebAssembly bindings for ferromotion — robot IK/kinematics in the browser, zero install.492MIT OR Apache-2.0
phantomlinkphantomlink looks like a multi-hop Internet path, but emulates a virtual end-to-end link492MIT OR Apache-2.0
pokerbot🚧 A Texas Hold'em Heads up pokerbot game binary and library abstraction (WIP, nothing usable for now).490MIT/Apache-2.0
astrora_coreAstrora - Rust-backed astrodynamics library - core computational components490MIT
soroban-forkLazy-loading mainnet/testnet fork for Soroban tests. Inspired by Foundry's Anvil.486MIT OR Apache-2.0
theveninCore simulation engine for thevenin: sparse matrices, MNA assembly, solvers485BSD-3-Clause
converge-domainDomain-specific agents and examples for Converge483MIT
ferromotion-mpmDifferentiable 2D Material Point Method (MLS-MPM) for soft/elastic/granular material. WASM-clean.482MIT OR Apache-2.0
ppflibAdvanced computational library for Physics-Prime Factorization (PPF): quantum mechanics through number theory, featuring Sign…481MIT OR Apache-2.0
rusplayMemory safe, blazing fast Rugplay library written in Rust480MIT
checksmixA simplified MIX simulator - Donald Knuth's hypothetical computer for teaching and learning assembly language programming.480BSD-3-Clause
jantuJantu — ethology and creature behavior engine for instinct, survival, social dynamics, and swarm intelligence479GPL-3.0-only
nautilus-blockchainBlockchain and DeFi integration adapter for the Nautilus trading engine478LGPL-3.0-or-later
swarm-engine-coreCore types and orchestration for SwarmEngine476MIT
shariraSharira — physiology engine for skeletal structures, musculature, locomotion, and biomechanics475GPL-3.0-only
stratneo-nautilus-liveCore live trading components and machinery for the Nautilus trading engine475LGPL-3.0-or-later
murk-arenaArena-based generational allocation for Murk simulations473MIT
stochastic-rs-copulasBivariate, multivariate, and empirical copulas.472MIT
dreamwell-metaphorsDreamwell metaphor system — bridge packet formalization, wave params, materialization tiers, metaphor profiles, evaluation…471Apache-2.0
surge-opfSurge OPF — Optimal Power Flow solvers (DC-OPF, AC-OPF, SCOPF)471PolyForm-Noncommercial-1.0.0
veilus-fingerprintHigh-performance browser fingerprint generator using Bayesian networks — browserforge-compatible, statistically realistic469MIT OR Apache-2.0