CATEGORY
Database interfaces 5,301 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.
quarb-postgresPostgreSQL adapter for the Quarb query engine181MIT OR Apache-2.0
keepsake-sqlxSQLx adapter for keepsake lifecycle storage181MIT OR Apache-2.0
dbrest-postgresPostgreSQL backend for the dbrest REST API180Apache-2.0
sourced_rustCQRS/ES framework for Rust using Plain Old Rust Structs — append-only events, replay, snapshots, outbox, service bus, and…180MIT
damengDameng database sync driver180MIT
gunmetal-storageLocal state and path helpers for Gunmetal SDK integrations.180MIT
mmex_libLibrary for interacting with Money Manager EX data and logic180MIT
wicked-memory-coreDEPRECATED: absorbed into wicked-estate v0.13+. Migrate to wicked-estate-mcp for unified memory/knowledge/estate tools.180MIT
vectoria-coreEmbedded hybrid search engine core — BM25 + vector + behavioral signals179Apache-2.0
distx-apiREST and gRPC API for DistX vector database - Qdrant-compatible endpoints179MIT OR Apache-2.0
neurographragLocal GraphRAG memory for LLMs in a single SQLite file179Apache-2.0 OR MIT
persona-wire-adapter-mastodonpersona-wire Adapter for Mastodon (scheme `mastodon://`). Fetches the home / public timelines via the Mastodon REST API v1, with…179MIT OR Apache-2.0
sourcery-postgresA Postgres implementation of the Sourcery 'EventStore'178GPL-3.0-only
ormada-deriveProc macros for Ormada ORM - Django-like ergonomic ORM for Rust178MIT
cognee-chunkingText chunking and token counting for the cognee ingestion pipeline.178MIT OR Apache-2.0
sql-orm-migrateCode-first migration support for sql-orm.178MIT
persona-wire-adapter-matrixpersona-wire Adapter for Matrix (scheme `matrix://`). Fetches sync state / room messages via the Matrix Client-Server API v3,…178MIT OR Apache-2.0
heliosdb-proxyHeliosProxy - Intelligent connection router and failover manager for HeliosDB and PostgreSQL178Apache-2.0
rbox-derivesProc macros for rbox's pyo3 bindings177GPL-3.0-only
cognee-ontologyOntology loading and entity-type resolution for the cognee knowledge graph.177MIT OR Apache-2.0
hwhkit-integration-qdrantHwhKit Qdrant integration177MIT OR Apache-2.0
migratexAgnostic migration toolkit library.176MIT
st-clickhouse-libHigh-performance native protocol ClickHouse client for Rust176Apache-2.0
drasi-bootstrap-oracleOracle bootstrap plugin for Drasi176Apache-2.0
wae-databaseWAE Database - 数据库服务抽象层,支持 Turso/PostgreSQL/MySQL175MIT
alopex-chirps-transport-quicQUIC-based transport layer for Alopex Chirps cluster communication175Apache-2.0 OR MIT
narwhal-poolConnection pooling primitives for narwhal drivers175MIT OR Apache-2.0
rdbi-deriveDerive macros for rdbi database abstraction layer175Apache-2.0
tauri-plugin-pg-syncOffline-first PostgreSQL sync plugin for Tauri apps175MIT
hwhkit-integration-mongodbHwhKit MongoDB integration175MIT OR Apache-2.0
aimdb-syncSynchronous blocking wrapper for AimDB - bridge async database to sync code174Apache-2.0
snaildbAn embedded, persistent key-value store with high write throughput and durability174Apache-2.0
ormdb-clientAsync Rust client library for ORMDB174MIT
arkhe-forge-platformL2 services for ArkheForge Runtime: projection observer, manifest loader, policy, rate limiter, audit receipts, crypto-erasure…174MIT OR Apache-2.0
rsqlite-wasmWebAssembly bindings for rsqlite — SQLite in the browser174MIT
database-mcpA single-binary MCP server for MySQL, MariaDB, PostgreSQL, and SQLite174MIT
hwhkit-integration-neo4jHwhKit Neo4j integration174MIT OR Apache-2.0
cel-memory-sqliteSQLite-backed local memory for AI agents, implementing cel-memory with FTS and vector search.174Apache-2.0
uts-journalRocksDB-backed append-only journal for UTS173AGPL-3.0-or-later
lunaris-storage-moonMoon (Redis-compatible) storage backend for the Lunaris agent memory engine173Apache-2.0
alopex-chirps-raft-storageRaft log storage implementation for Alopex Chirps using alopex-core173Apache-2.0 OR MIT
mirror-logAppend-only event log for personal knowledge management with semantic chunking using SQLite.173AGPL-3.0-or-later
libhaybarn-sysNative bindings to the Haybarn engine (a derived distribution of DuckDB, powered by DuckDB), C API173MIT
logdive-coreCore library for logdive: structured JSON log parsing, SQLite indexing, and query engine173MIT OR Apache-2.0
rqmd-corerqmd: search engine core (store, db, chunking, collections, LLM integration)172MIT
convex-autobackup-coreCore backup, restore, scheduling, encryption, and storage primitives for ConvexAutoBackup172Apache-2.0
engram-storageSQLite storage with FTS5172MIT
quarb-sqlSQL importer for the Quarb query engine172MIT OR Apache-2.0
quarb-bigqueryGoogle BigQuery adapter for the Quarb query engine172MIT OR Apache-2.0
quarb-duckdbDuckDB adapter for the Quarb query engine171MIT OR Apache-2.0
clickhouse-cloud-apiTyped Rust client for the ClickHouse Cloud API171Apache-2.0
litedbmodelProduction-safe SQL-first Database Access Layer for Rust170MIT
ocg100% openCypher-compliant graph database with Python bindings170Apache-2.0
supabase-testcontainers-modulesTestcontainers modules for Supabase services used in integration testing.169MIT
narwhal-auditAppend-only JSONL audit log sink for narwhal (SOC2 / ISO 27001 evidence)169MIT OR Apache-2.0
athena-udfA crate for building AWS Athena User Defined Functions in Rust169MIT
mongo-collection-macroProcedural macros for deriving the Collection trait for MongoDB collections169MIT
quarb-mysqlMySQL/MariaDB adapter for the Quarb query engine169MIT OR Apache-2.0
vsraThe vsr command-line interface for very_simple_rest169MIT
krishivKrishiv — hybrid batch and streaming compute engine169Apache-2.0
elicit_sqlxElicitation-enabled sqlx type wrappers — newtypes with JsonSchema and MCP reflect methods168Apache-2.0 OR MIT
sqlitegisSQLiteGIS: PostGIS-style spatial functions for SQLite in pure Rust.168MIT OR Apache-2.0
rakka-persistence-tckConformance test suite for rakka-persistence journal and snapshot implementations.168Apache-2.0
cognee-searchContext retrieval (search) over the cognee knowledge graph and vector store.168MIT OR Apache-2.0
sqlite-fleetManage migrations across fleets of SQLite databases168MIT
use-sql-identSQL identifier, alias, qualified-name, quoting, and normalization primitives for RustUse168MIT OR Apache-2.0
databowA command-line tool for querying databases via ADBC168Apache-2.0
cloudkitSafe Rust bindings for Apple's CloudKit framework — iCloud databases and sync on macOS167MIT OR Apache-2.0
graphile_worker_admin_ui_clientLeptos WASM client for the embedded graphile_worker admin UI167MIT
getitdoneExperimenting with a simple Mongo-backed caller/worker bridge that keeps tracing context alive.167MIT
pq-parquetThe jq of Parquet. Inspect, transform, and operate on Parquet files from your terminal. S3, GCS, Azure support. CLI tool.167MIT
feather-db-cliCommand-line interface for Feather — embedded vector database + living context engine166MIT
sqlx-transaction-managerA type-safe transaction management wrapper for SQLx with automatic commit/rollback166MIT OR Apache-2.0
supabase-client-rsA unified Rust client for Supabase with database, realtime, auth, storage, and functions support166MIT
ordecimalOrder-preserving binary encoding for arbitrary-precision decimals (decimalInfinite)166MIT OR Apache-2.0
brainos-httpadapterAxum HTTP REST adapter for Brain OS166MIT
drasi-neo4j-commonShared types for Neo4j source and bootstrap plugins166Apache-2.0
dcb-layerDCB-compliant event store backed by FoundationDB166MIT
nitrite_deriveDerive macros for the nitrite crate165Apache-2.0
alaz-intelLong-term memory for AI coding agents165MIT
kavach-redisRedis-backed implementations of Kavach's distributed stores and invalidation broadcaster165LicenseRef-Elastic-2.0
use-pg-schemaPostgreSQL schema and search-path primitives for RustUse165MIT OR Apache-2.0
aegis-shieldIntegrated security shield for Aegis database165LicenseRef-BSL-1.1
cyrs-lang-servicesShared language-service engines (completion, hover, rewrite) used by cyrs-lsp and cyrs-agent (spec 0001 §14 / §15).164Apache-2.0 OR MIT
cognee-cognifyKnowledge-graph extraction (cognify) — turn ingested data into a graph for cognee.164MIT OR Apache-2.0
rstmdb-serverTCP server for rstmdb - connection handling, command dispatch, sessions164non-standard
mnemo-complianceDPDPA consent-manager and EU AI Act audit-log primitives for Mnemo.164Apache-2.0
sqlite-knowledge-graphA Rust library for building and querying knowledge graphs using SQLite as the backend, with graph algorithms, vector search, and…163MIT
sqlx-data-macrosProcedural macros for sqlx-data - #[repo] and #[dml] derive macros with automatic SQL generation, repository pattern, data access…163MIT
premix-cliCommand-line tool for Premix ORM (Migration management and more).163MIT
link-cliA CLI tool and reusable library for links manipulation backed by a LiNo-notation doublet storage engine.163Unlicense
quack_protocolRust client SDK for DuckDB's experimental Quack remote protocol163MIT
satchel-ragPortable RAG system on a USB drive. Single binary, local embeddings, MCP protocol.163MIT
fukurowFukurow - Unified Rust Reasoning & Knowledge Graph Stack. JSON-LD/RDF/OWL/SPARQL/GraphQL-LD based knowledge processing stack with…162MIT OR Apache-2.0
marius-projectionProjection trait for the Marius reactive engine (Core/Shell boundary).162MIT OR Apache-2.0
oxide-sql-coreType-safe SQL parser and builder with compile-time validation162MIT
pulse-health-coreCore library for syncing and scoring health data from Garmin Connect and Intervals.icu162MIT
narwhal-tuiRatatui-based UI layer for narwhal161MIT OR Apache-2.0
resolute-deriveDerive macros for resolute (FromRow, PgEnum, PgComposite, PgDomain).161MIT OR Apache-2.0
cognee-deleteDeletion and orphan-sweep operations for the cognee knowledge graph.161MIT OR Apache-2.0
migratio-cliCLI support library for migratio database migrations161MIT
oxide-sql-deriveDerive macros for type-safe SQL table definitions161MIT
geodb-cliCommand-line interface for the geodb-core geographic database.160MIT
csv-adapter-storeSQLite persistence layer for CSV Adapter seal and anchor storage160MIT OR Apache-2.0
skeg-rigging-skegskeg-rigging implementation backed by skeg-vector's DiskVamanaIndex and a JSON metadata sidecar.160Apache-2.0
brainos-grpcadaptergRPC adapter for Brain OS160MIT
brainos-wsadapterWebSocket adapter for Brain OS160MIT
saola_mysql_asyncTokio based asynchronous MySql client library.160MIT/Apache-2.0
datashuttle-playgroundInteractive playground runtime (sessions / TCP dispatcher / quota / metrics) for DataShuttle. Standalone-extracted in Phase 5.A.160LicenseRef-Proprietary
polarisdbPolarisDB - an embedded vector database for local AI and RAG workloads159MIT OR Apache-2.0
brainos-mcpModel Context Protocol (MCP) adapter for Brain OS159MIT
vibe-readyComposable runtime, logging, scheduling, and storage foundations for vibe-coding Rust projects.159MIT
cognee-observabilityOpenTelemetry tracing and metrics integration for the cognee pipeline.158MIT OR Apache-2.0
mdb-cliCommand line client for the MarpleDB API158Apache-2.0
iceberg-datafusion-arrow58Apache Iceberg DataFusion integration (iceberg-rust 0.9.1) on arrow-58 + datafusion-54 with a parallel per-file partitioned scan.…158Apache-2.0
vibesqlSQL database engine with SQL:1999 compliance157MIT OR Apache-2.0
ff-backend-sqliteFlowFabric EngineBackend impl — SQLite dev-only backend (RFC-023, Phase 1a scaffold)157Apache-2.0
engram-agentReusable LLM agent loop with tool-calling and lifecycle hooks157MIT
mongo-embeddedA library to download, extract, and convert MongoDB Community Edition into an embedded server.156MIT
premix-ormAlpha research ORM for Rust. Facade crate for premix-core and premix-macros (not production-ready).156MIT
sqlrite-sdk-coreShared protocol contracts for SQLRite SDKs156MIT
sqlite_test_utilsTest utilities for SQLite database testing155MIT
aingle-lmdbIdiomatic and safe LMDB wrapper for AIngle155Apache-2.0
evm-sqliteSQLite helper functions for working with EVM chains data155MIT
khive-textText analysis primitives for khive: tokenization, normalization, filtering155BUSL-1.1
sqlx-xuguXugu driver implementation for SQLx. Not for direct use; see the `sqlx` crate for details.155MIT OR Apache-2.0
zedis-guiA blazing-fast, native Redis GUI built with Rust and GPUI.154Apache-2.0
wesichain-checkpoint-sqliteSQLite checkpoint backend for Wesichain154Apache-2.0 OR MIT
kimberlite-oracleDuckDB-backed analytical-query oracle for Kimberlite differential testing154Apache-2.0
mnemara-serverLocal-first, explainable AI memory engine for embedded and service-based systems154MIT
nsqlRun SQL from your terminal, composed in your real neovim — without taking over the screen.1530BSD
narwhal-plugin-luaLua scripting runtime for narwhal plugins153MIT OR Apache-2.0
z8run-storageSQLite/PostgreSQL persistence and AES-256-GCM credential vault for z8run153Apache-2.0 OR MIT
liteqHigh-performance job queue library for Rust using Redis with auto-retry, connection pooling, async handlers, and multi-consumer…153MIT
drasi-source-kubernetesKubernetes source plugin for Drasi153Apache-2.0
argus-storageStorage backends for crawled web data152MIT
spiresqlSQL interface for SpireDB152AGPL-3.0-only
nitrite_tantivy_ftsFull-text search support for Nitrite database using Tantivy152Apache-2.0
pylon-workersPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.152MIT OR Apache-2.0
cognee-visualizationKnowledge-graph visualization helpers for the cognee pipeline.152MIT OR Apache-2.0
quarb-datastoreGoogle Datastore adapter for the Quarb query engine152MIT OR Apache-2.0
mempalace-rsHigh-performance, local AI memory with AAAK v3.2 protocol and temporal Knowledge Graph152MIT
topodb-jsonJSON conversion layer for the TopoDB agent-memory engine152MIT OR Apache-2.0
cairn-searchHybrid search: sqlite-vec semantic + FTS5 full-text + reciprocal rank fusion151MIT
reposcry-cacheSQLite cache layer for RepoScry code graph indexing and AI-agent workflows.151MIT
purwa-ormSQLx migrations and pool helpers for Purwa; optional SeaORM bridge151MIT
pylon-queryPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.151MIT OR Apache-2.0
mag-memoryMAG — Local MCP memory server with ONNX embeddings and semantic search151MIT
brainos-metricsShared cross-subsystem counters for Brain OS Prometheus exposition151MIT
brainos-mcphostMCP host — mounts external Model Context Protocol servers (stdio/HTTP/SSE) for Brain OS151MIT
wesichain-checkpoint-postgresPostgres checkpoint backend for Wesichain151Apache-2.0 OR MIT
quarb-firebaseFirebase Realtime Database adapter for the Quarb query engine151MIT OR Apache-2.0
quarb-firestoreGoogle Firestore adapter for the Quarb query engine151MIT OR Apache-2.0
kathaEvent sourcing core traits and types for Rust (SQLite/Postgres backend in katha-sqlx)151MIT OR Apache-2.0
palimpsest-sqlSQL parsing, validation, and MIR definitions for Palimpsest.150MIT OR Apache-2.0
pylon-actionPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.150MIT OR Apache-2.0
celers-backend-dbDatabase (PostgreSQL/MySQL) result backend for CeleRS150Apache-2.0
brainos-reflexReactive signal sources (Reflex triggers) for Brain OS — events that emit Signals but never execute them150MIT
brainos-selfmodelBrain OS product self-model — grounded knowledge of Brain's own CLI, config, and policy surface150MIT
quarb-neo4jNeo4j property-graph adapter for the Quarb query engine150MIT OR Apache-2.0
aion-store-haematiteSingle-node haematite-backed event store implementation for Aion workflows.149AGPL-3.0-only
brainos-terminalTerminal Bridge gRPC adapter (PTY motor cortex) for Brain OS149MIT
scopeqlA command-line interface for ScopeDB149Apache-2.0
tsqlx-dbDatabase driver boundaries for TSQL.149MIT OR Apache-2.0
iridium_wasmWASM bindings for Iridium SQL149MIT
drasi-source-sqliteSQLite source plugin for Drasi149Apache-2.0
rustyriverEmbeddable streaming replication for SQLite to object storage (a Rust reimplementation of Litestream v0.5).149Apache-2.0
wowsqlOfficial Rust SDK for WOWSQL - MySQL Backend-as-a-Service with S3 Storage148MIT
anamnesis-storeSQLite-backed storage layer for Anamnesis148Apache-2.0
sql-orm-sqlserverSQL Server query compilation for sql-orm.148MIT
rust-tdxRust 实现的通达信行情数据接口库。对标 pytdx/mootdx/rustdx,支持标准行情、扩展行情(港/美/期货)、连接池、复权、AES加密、HTTP/DLL交易、文件读取、财务爬虫、CSV导出。零 warnings。147MIT
drasi-source-oracleOracle source plugin for Drasi147Apache-2.0
kv-clientClient library for KV service146MIT
distxA fast in-memory vector database with full Qdrant API compatibility146MIT OR Apache-2.0
diesel-paradedbDiesel ORM bindings for ParadeDB's pg_search extension — BM25 search, structured queries, scoring, and aggregates.146MIT OR Apache-2.0
safe-migrateLint PostgreSQL migrations against live database statistics to prevent blocking locks146MIT OR Apache-2.0
oxnRedis-backed async job queue for Rust, with optional web dashboard.145MIT OR Apache-2.0
lunaris-ingestAtomic ingest pipeline for the Lunaris agent memory engine145Apache-2.0
tasker-orchestrationOrchestration system for tasker workflow coordination145MIT
celers-broker-sqlSQL database broker implementation for CeleRS (MySQL)145Apache-2.0
lexa-coreLocal-first hybrid retrieval engine: BM25 + binary-quantized Matryoshka KNN + cross-encoder rerank, in one Rust crate. Pairs with…145MIT OR Apache-2.0
nitrite_spatialSpatial indexing support for Nitrite database using R-Tree144Apache-2.0
iceberg-catalog-loaderApache Iceberg Catalog Loader API144Apache-2.0
sqlx-mssql-odbc-cliCLI tools for sqlx-mssql-odbc.144Apache-2.0
aingle_raftRaft consensus for AIngle clustering144Apache-2.0 OR LicenseRef-Commercial
pg2sqlite-coreCore library for converting PostgreSQL 16 DDL to SQLite3 DDL143MIT
sqlxplus-cliCode generator for sqlxplus143MIT OR Apache-2.0
drasi-source-mysqlMySQL source plugin for Drasi143Apache-2.0
snowdrop-idSnowdrop IDs: 63-bit, roughly monotonic, Snowflake-interchangeable identifiers with a very short base62 form143MIT
honker-extensionSQLite loadable extension for Honker. Adds honker_* SQL functions (queues, streams, scheduler, pub/sub) to any SQLite client.142MIT OR Apache-2.0
rustwingThe application framework for building Rust apps with Axum — auth, CRUD scaffolding, migrations, workers, and LLM hooks included.142MIT
dog-typedbTypeDB database integration for DogRS - adapters, utilities, and TypeQL query builders142MIT OR Apache-2.0
oxigdal-db-connectorsDatabase connectors for OxiGDAL (MySQL, SQLite, MongoDB, ClickHouse, TimescaleDB, Cassandra)142Apache-2.0
dynamodb-facadeA typed facade over aws-sdk-dynamodb with expression builders and batch/transaction support142MIT
iridium_server_test_supportTest support helpers for Iridium SQL server integration tests142MIT
sntl-schemaShared schema analysis and cache library for Sentinel ORM macros and CLI142MIT OR Apache-2.0
souchy-sqlx-crudDerive macro for SQLx to implement Create, Read, Update, and Delete (CRUD) methods for you.141MIT
seaorm-auto-migrationAuto migration generator for SeaORM — diffs entities against live DB and generates migration files141MIT
arkhe-forgeArkheForge Runtime umbrella crate: re-exports arkhe-forge-core (L1 primitives) + arkhe-forge-platform (L2 services). Shell…141MIT OR Apache-2.0
pearlsA lightweight CLI for managing long-running task graphs for coding agents.141non-standard