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Data structures 10,114 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.

kleiosTiny paired-marker utilities for simple sequencing flows17MIT OR Apache-2.0Data structuresDevelopment tools gpu-annealingGPU-accelerated simulated annealing orchestration layer — pure data structures and scheduling17MITAlgorithmsData structures kliosSmall keyed state tracker for simple incremental sequences17MIT OR Apache-2.0Data structuresDevelopment tools embed-slistintrusive singly linkedlist17MIT OR Apache-2.0Data structuresNo standard library bijux-dag-coreDeterministic DAG kernel for graph parsing, validation, canonicalization, planning, and identity.17Apache-2.0Data structuresDevelopment tools sheafsyncMotor de consistencia sin coordinación vía cohomología de haces celulares16MITConcurrencyData structures relaysCurated Nostr relay catalog with CI-driven JSON/Markdown generation and health checks16MIT OR Apache-2.0Command line utilitiesData structures agent-task-queuePriority queue of agent tasks with status tracking16MITData structures soklynA high-performance neural network library written in Rust, utilizing CUDA for GPU-accelerated layer execution.16MITArtificial intelligenceAsynchronous duotrieAn in-memory storage adapter for the upstream jmt Jellyfish Merkle Tree crate, with a lock-free concurrent variant built on…16Apache-2.0ConcurrencyData structures nornir-flightGeneric, use-case-agnostic Apache Arrow Flight transport seam for the nordisk constellation — raw do_put/do_get/do_exchange over…16MIT OR Apache-2.0Data structuresNetwork programming antichain-intervalsDisjoint-interval-set lattice for tracking out-of-order progress with gaps, built on the antichain crate.16Apache-2.0AlgorithmsData structures eideticPrivate local-memory lane for the Mere browser — typed blob request/response vocabulary and store trait, host-agnostic and…16MPL-2.0Data structures herosal-tstA persistent ternary search tree implementation using OurDB for storage16Apache-2.0AlgorithmsData structures aegis-fulltextFull-text search engine (inverted index + BM25) for Aegis database16LicenseRef-BSL-1.1Data structuresDatabase interfaces bare-metal-evm-stateEVM state management: accounts, journaling, and state transitions16CC-BY-SA-4.0Data structuresNo standard library eidos-claimsSeal — typed, evidence-bound belief ledger entries with lifecycle (proposed→proven→stale→contradicted).16Apache-2.0Data structuresDevelopment tools chronork-cliA liteweight daily productivity tracking logging utillity16non-standardCommand line utilitiesData structures jacs-redbRedb (pure-Rust embedded KV) storage backend for JACS documents16Apache-2.0CryptographyData structures agent-scrollCanonical byte-deterministic transcript format for AI-agent conversations (Rust port of @p-vbordei/agent-scroll)16Apache-2.0CryptographyData structures cui-registry-dodDoD CUI Registry (Categories and Abbreviations), vendored from www.dodcui.mil. Designed as a build-dependency for codegen.…16LicenseRef-PublicDomain AND (MIT-0 OR Unlicense)Data structuresParsing tools memgcSelf-hostable AI memory layer with calibrated decay. Placeholder release; full library coming soon.16Apache-2.0Data structures keyleluya-ledger-chirhoQuantum-resistant token system for KeyLeLuYa — balances as propagator cells, transfers as Forge gears, sigchain as ledger16MITCryptographyData structures crx-manifest-parserParse Chrome / Manifest V3 extension manifest.json fields (name, version, permissions, content_scripts, host_permissions) into a…16MITData structuresParser implementations taxaAuthor a taxa visualization dataset in Rust: named sources + a Rust transform + a manifest, served by the taxa engine.16MITData structuresVisualization betulaRust Implementation of BETULA, an improved version of the BIRCH algorithm. Fast and streamable data aggregation.16MIT OR Apache-2.0AlgorithmsData structures kintounDistributed key-value store in Rust. Early development — not yet usable. Built as a Rust learning project toward streams, queues,…16MIT OR Apache-2.0Data structuresDatabase implementations merkle-proof-treeMerkle trees: construction, proof generation, proof verification, incremental updates16MIT OR Apache-2.0AlgorithmsCryptography simple-throttleA small throttle utility that collects items and provides a way to handle them after a configured delay.16MITAsynchronousConcurrency avl-tree-rsAVL self-balancing BST with LL/RR/LR/RL rotations, balance factor tracking, insert/delete/contains, and inorder traversal16MITData structures b-tree-rsB-tree of order t with node splitting, deletion via merge/borrow, search, and range queries16MITData structures ruvector-gnn-rerankGNN-enhanced candidate reranking for approximate ANN search in ruvector16MITAlgorithmsData structures tpt-keystoneTPT Keystone — cloud-native relational database engine16MIT OR Apache-2.0Data structuresDatabase interfaces segment-tree-rsSegment tree with point updates, range queries (sum/min/max/gcd), and lazy propagation16MITAlgorithmsData structures iota-sympantos-kanbanEvent-sourced Kanban task orchestration for AI coding agents16MITData structuresDevelopment tools fleet-midi-pulseHeartbeat-driven timing layer for fleet-midi — BPM, swing, tempo ramps, fermata16MITData structuresMultimedia::Audio moenarch-geo-coreFormat-agnostic geospatial domain types, geometry helpers, and transforms for video-analysis.16MIT OR Apache-2.0AlgorithmsData structures ruvector-lsm-annLSM-ANN: write-optimized streaming vector index with multi-tier compaction for agent memory16MITAlgorithmsData structures ruvector-pq-searchProduct Quantization with Asymmetric Distance Computation (ADC) for compressed approximate nearest-neighbor search — Flat PQ,…16MITAlgorithmsData structures kaj-tinamitType-safe wire models for the GitLab REST API v4.16MIT OR Apache-2.0API bindingsData structures rust-orderbook-libA production-grade order book library with price-time priority matching16MIT OR Apache-2.0Data structuresFinance aether-packVersioned, industry-neutral domain-pack contract for Aether15MIT OR Apache-2.0ConfigurationData structures adumbratioComposable building blocks for probabilistic data structures (sketches), with the classical sketches assembled from them15MIT OR Apache-2.0AlgorithmsData structures scoped-valueAn extension trait for scoping thread locals to a future15MITAsynchronousConcurrency elara-itcInterval Tree Clocks (Almeida et al. 2008) — space-efficient logical clocks with fork/join/event/leq and a compact, depth-bounded…15MIT OR Apache-2.0AlgorithmsData structures strata-readerA BufReader with a dynamically growing buffer and manual memory control15MPL-2.0Data structuresParsing tools exaloglog-rsStandalone Rust implementation of the ExaLogLog approximate distinct counter15MITAlgorithmsData structures geometric-traitsTrait-based algebraic and graph algorithms for Rust, supporting no_std environments15MITAlgorithmsData structures higher-graphen-confidence-modelBayesian-inspired confidence update records for HigherGraphen.15Apache-2.0Command line utilitiesData structures statevecFacade crate for building schema-first deterministic StateVec domain plugins.15Apache-2.0Data structuresDevelopment tools strand-errorsError types and utilities for strand operations15MIT OR Apache-2.0Data structures capture_utilsCapture helpers and recorder sinks (JSON, overlays, pruning) for the CortenForge stack.15Apache-2.0Computer visionData structures arbitrary-typeturn an arbitrary compile-time byte sequence into a distinct, zero-sized type, identified by its const SHA-256 digest.15Apache-2.0 OR MPL-2.0Data structuresNo standard library metricchrono-logIn-memory event-log helpers for the open-source MetricChrono core15Apache-2.0AlgorithmsData structures health-economicsHealth economics models, structs, calculations, and examples.15MIT OR Apache-2.0 OR BSD-3-Clause OR GPL-2.0-only OR GPL-3.0-onlyData structuresFinance buffoMemory-backed buffer toolkit with Chunk/ChunkMut traits for predictable, explicit, and retry-friendly access; ideal for Sans-I/O…15MIT OR Apache-2.0Data structuresEncoding graphletsSmall reusable graph motifs over Mere's kernel graph.15MPL-2.0Data structures anomuraA renderer-agnostic tiling window manager core, inspired by xmonad15BSD-3-ClauseData structuresGUI aria-coreGeneric adaptive sequencing engine — zero dependencies, domain-agnostic. Suggest(), feedback(). Works from item one.15MITAlgorithmsData structures arslibAdjacency Run Sort (ARS): a fast run-based sorting algorithm in Rust.15MIT OR Apache-2.0AlgorithmsData structures ogentic-auditogentic-audit CLI — verify, inspect, and export tamper-evident audit logs15Apache-2.0CryptographyData structures bevy_statemachineThread-safe state snapshot bridge for Bevy — exposes ECS resources to external consumers (Tauri IPC, WASM JS, lightyear…15MITData structuresGame development ruvector-matryoshkaMatryoshka-aware coarse-to-fine vector search: three-variant funnel ANN with measured recall and latency tradeoffs15MITAlgorithmsData structures rs-crdtA production-grade Rust library implementing Conflict-Free Replicated Data Types (CRDTs), WAL persistence, gossip networking,…15MIT OR Apache-2.0Data structuresDatabase implementations sysml2Text-file-backed building blocks for SysML v2 system models14MITData structuresScience lease-queueEmbedded persistent priority queue with native lease/visibility-timeout semantics. Single-binary, no server, crash-safe by…14MIT OR Apache-2.0ConcurrencyData structures higher-graphen-proverConservative SAT, SMT, and theorem-proving bridge records for HigherGraphen.14Apache-2.0Command line utilitiesData structures higher-graphen-contextContext, section, restriction, cover, and gluing checks for HigherGraphen.14Apache-2.0Command line utilitiesData structures tpt-zero-colorRGB/RGBA/HSV color types with hex parsing. #![no_std], zero dependencies.14MIT OR Apache-2.0Data structuresGraphics higher-graphen-model-checkingBounded finite-state model checking substrate for HigherGraphen.14Apache-2.0Command line utilitiesData structures higher-graphen-abstract-interpretationConservative abstract interpretation summaries for HigherGraphen.14Apache-2.0Command line utilitiesData structures higher-graphen-causalCautious causal graph reasoning records for HigherGraphen.14Apache-2.0Command line utilitiesData structures fossic-similarity-hnswHNSW-backed SimilaritySearchProvider for fossic14MITAlgorithmsData structures realdentalcosts-dataUS dental cost dataset 2026: average single-implant price, restorative cost index, cost-of-living index and affordability score…14CC-BY-4.0Data structures mere-eideticPrivate local-memory lane for the Mere browser — typed blob request/response vocabulary and store trait, host-agnostic and…14MIT OR Apache-2.0Data structures ast-builderTyped AST construction with visitor pattern and tree traversal for compiler infrastructure14MITData structuresDevelopment tools odsekLazy, pull-based composition of mathematical interval sets with open/closed endpoints, no_std-compatible.14MIT OR Apache-2.0Data structuresMathematics plato-runtime-kernelPLATO spatial spreadsheet runtime — room-as-cell tensor bridge, plain-English assertion traps, delta compression, three-way merge14MITData structuresEncoding fr-bareme-fiscal-dataDonnées fiscales françaises officielles (SMIC 2001-2026, barème kilométrique 2022-2026) issues du JORF/INSEE, avec API de…14CC-BY-4.0Data structures konohaA composable hierarchical state machine library.14MITData structuresGame development us-property-tax-dataUS property tax data 2026: effective rates, median tax and home values for 51 states/DC and 3,132 counties (US Census ACS 2023 +…14CC-BY-4.0Data structures taskqA thread-safe in-memory task queue with async consumption and optional idempotency keys14MIT OR Apache-2.0AsynchronousConcurrency auditlogAudit trail for your data models — an ORM-agnostic core with a pluggable, async sqlx backend (SQLite & Postgres).14MITData structuresDatabase interfaces veritateAlias for `verit` — the Exavian Veritate zero-copy, self-describing, schema-evolvable serialization format. Re-exports `verit`;…14Apache-2.0Data structuresEncoding filecacheRandom-access caching for in-memory buffers and files inclusing LRU, MemoryMap, SlidingWindow14MITAlgorithmsCaching kcode-session-logDurable append-ordered session transcripts with checksummed pending objects14MITData structuresFilesystem amethystate-gpuiGPUI integration adapter for the amethystate reactive persistence library13MITConfigurationData structures amethystate-leptosType-safe reactive persistence for Rust GUI apps13MITConfigurationData structures tpt-zero-channelBounded lock-free MPSC channel for #![no_std]. Zero dependencies.13MIT OR Apache-2.0ConcurrencyData structures amethystate-dioxusType-safe reactive persistence for Rust GUI apps13MITConfigurationData structures amethystate-slintType-safe reactive persistence for Rust GUI apps13MITConfigurationData structures concurrent_avl_treeLock-free readable AVL tree with epoch-based reclamation and background batch rebalancing.13MITAlgorithmsConcurrency pleatRibbon filters with pleated (partition-instead-of-sort) construction: build at Bloom-filter speed, verify by checksum.13MIT OR Apache-2.0AlgorithmsData structures incipitWorkspace identity vocabulary for Mere: the stable ids of a graph and a session, with no dependency on the graph itself.13MPL-2.0Data structures gregg-protocolVersioned JSON wire types, metric capabilities, and identity structures shared by the gregg daemon and client.13MITAPI bindingsData structures plato-coreRust implementation of the PLATO Core protocol — Room, Sensor, Actuator, Alarm, wire protocol parsing/formatting.13MITData structuresEmbedded development seekstorm_client_rsRust Client for SeekStorm vector & lexical search server13Apache-2.0Data structuresDatabase implementations datalabHighly-optimized, streaming-capable data structures for Rust (trees, tensors, and more).13Apache-2.0 OR MITData structuresScience ison-graphISONGraph - Token-efficient property graph store with ISON persistence for Rust13MITData structuresDatabase interfaces sparse_arrayArray/Map for large & sparse data13MIT OR Apache-2.0Data structures string-trieA simple trie (prefix tree) for storing, prefix searching and deleting strings.12MIT OR Apache-2.0Data structures fig-schemaA generic, prov-agnostic schema layer over fig's value tree: field types, controlled vocabularies, and a reusable rule-matching…12MIT OR Apache-2.0ConfigurationData structures us-excel-template-dataUS search demand for Excel & Google Sheets templates: 1,008 keywords with monthly volumes (2026), 16 categories, with a…12CC-BY-4.0Data structures grand-patternGrand Pattern Fibonacci Dual-Direction Architecture - embedding-based pattern matching and cellular graph computation12MITData structuresScience tpt-zero-bloomFixed-size Bloom filter for probabilistic set membership, #![no_std]12MIT OR Apache-2.0AlgorithmsData structures tpt-zero-bitsetFixed-size, highly optimized bit arrays for state tracking, #![no_std]12MIT OR Apache-2.0Data structuresNo standard library si-plato-coreRust implementation of the PLATO Core protocol — Room, Sensor, Actuator, Alarm, wire protocol parsing/formatting.12MITData structuresEmbedded development prollydbUmbrella crate for the ProllyDB content-addressed versioned map ecosystem.11MIT OR Apache-2.0Data structuresDatabase implementations smart-stringsSmall-string-optimized, niche-friendly compact UTF-8 and C string types for no_std.11MIT OR Apache-2.0Data structuresMemory management weighted-gssA persistent compressed map from stacks to joinable weights11MIT OR Apache-2.0AlgorithmsData structures validatableDefine validated data types once and share them between the frontend and backend of isomorphic Rust web applications, with plain,…10MIT OR Apache-2.0Data structuresWeb programming rankfusionBackend-agnostic rank aggregation, score fusion, and reranking for ranked candidate lists — RRF, weighted RRF, linear score…9MIT OR Apache-2.0AlgorithmsData structures us-take-home-dataUS take-home pay (net salary after federal, state, FICA taxes) reference data for all 50 states + DC, tax year 2026, from…9MIT OR Apache-2.0Data structures mercurio-foundationPublic Rust facade for Mercurio's language-neutral semantic modeling foundation.7MITData structuresDevelopment tools