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.
authx-storageStorage abstraction layer for authx-rs: repository traits, in-memory store, and PostgreSQL adapter370MIT
faucet-source-redisRedis source connector for the faucet-stream ecosystem370MIT OR Apache-2.0
rustcdcEmbeddable Rust CDC library focused on correctness-first capture primitives370MIT OR Apache-2.0
packetdbA data science-native database for packet analysis369MIT OR Apache-2.0
monoio-pgHigh-performance asynchronous PostgreSQL driver for monoio369WTFPL
hdbconnect-arrowApache Arrow integration for hdbconnect SAP HANA driver369Apache-2.0 OR MIT
premix-coreA Zero-Overhead, Type-Safe ORM for Rust that runs optimized SQL.368MIT
faucet-streamA declarative, config-driven data pipeline with pluggable source and sink connectors368MIT OR Apache-2.0
ousiaPostgres ORM with native double-entry ledger, graph relations, and atomic money operations for Rust368MIT
sqlx-data-integrationIntegration utilities and helpers for sqlx-data - connection pooling, executor abstractions, and SQLx integration layer367MIT
cognee-utilsShared utilities — deterministic IDs, hashing, and config helpers — for the cognee pipeline.366MIT OR Apache-2.0
emdbLightweight, high-performance embedded key-value database. Bitcask-style append-only journal, lock-free sharded hash index,…366Apache-2.0
faucet-common-bigqueryShared credentials and client construction for the faucet-stream BigQuery source and sink connectors365MIT OR Apache-2.0
term-coreA Rust data validation library providing Deequ-like capabilities without Spark dependencies364MIT
wilayahLocation lookup for Indonesian villages by GPS coordinates or name364MIT
animedbLocal-first anime and manga metadata catalog for Rust media servers363MIT
assay-engineStandalone workflow + auth + dashboard HTTP server on PostgreSQL 18 + SQLite. Embeddable as a library, or run as a binary.363Apache-2.0
rustliteA lightweight, high-performance embedded database written in Rust with ACID guarantees362Apache-2.0
khive-mcpkhive MCP server library — served via the kkernel binary362BUSL-1.1
fraiseql-codegenCode generation: typed client artefacts from FraiseQL compiled schemas361MIT OR Apache-2.0
slint_deriveAn async Rust ORM that auto-generates tables and CRUD from structs361MIT OR Apache-2.0
cyrs-syntaxLossless CST and recovering parser for Cypher / GQL (spec 0001 §4).361Apache-2.0 OR MIT
brainos-observeObservability bus and event types for Brain OS361MIT
faucet-sink-postgresPostgreSQL sink connector for the faucet-stream ecosystem361MIT OR Apache-2.0
aion-store-libsqlDurable libSQL-backed event store implementation for Aion workflows.360AGPL-3.0-only
data-forge高性能数据锻造工坊 - 为Rust开发者打造的随机数据生成与数据库填充解决方案360MIT OR Apache-2.0
db-syncA secure and stable database backup synchronization system with automatic file transfer and verification360MIT
pensyve-coreUniversal memory runtime for AI agents — episodic, semantic, and procedural memory with 8-signal fusion retrieval359Apache-2.0
brainos-identityPrincipal, tier, and authorization for Brain OS359MIT
grust-sql-coreShared SQL generation helpers for Grust SQL backends.359MIT OR Apache-2.0
ic-dbms-canisterA framework to build Database canisters on the Internet Computer using DBMS, by just providing the schema.358MIT
dynoxide-rsA lightweight, embeddable DynamoDB emulator backed by SQLite358MIT OR Apache-2.0
sqlite-diff-rsBuild SQLite changeset and patchset binary formats programmatically, without SQLite357MIT
mongoshA high-performance MongoDB Shell implementation in Rust357MIT
senax-pgsql-parserPostgreSQL database schema parser and DDL generator with PostGIS support356MIT OR Apache-2.0
djogi-macrosProc macros for the Djogi framework — derive(Model), field attributes, descriptor emission356Apache-2.0
skeg-protoWire protocol types and frame encoding for the skeg vector + KV store356Apache-2.0
rs-zeroRust-first microservice framework inspired by go-zero engineering practices355MIT
botanicaProfessional botanical cultivation database with AI-powered plant insights354MIT OR Apache-2.0
eth-etl-mappersJSON to domain type mappers for Ethereum ETL354MIT
lake-driverTiDB Cloud Lake Driver for Rust354Apache-2.0
sqeelVim-modal SQL client: TUI front-end for sqlx-backed connections with LSP-aware editing.353MIT
spire_commonCommon utilities and types for SpireDB353AGPL-3.0-only
vertica-rsA native Rust driver for Vertica database353Apache-2.0
eth-etl-rpcJSON-RPC batch provider for Ethereum ETL353MIT
paperaA SQL compatibility layer that transpiles Trino and Redshift SQL to DuckDB SQL353MIT
mnemara-coreLocal-first, explainable AI memory engine for embedded and service-based systems353MIT
iceberg-arrow58Apache Iceberg Rust (iceberg-rust 0.9.1) with arrow-*/parquet bumped 57→58. Drop-in `iceberg` library (lib name unchanged); a…353Apache-2.0
see-migration-test-helpersHelper types for sea-orm-migration testing352MIT
iridium_coreSQL Server-compatible Rust engine core for Iridium SQL352MIT
spire_protoProtocol buffer definitions for SpireDB351AGPL-3.0-only
brainos-intentStandardized Intent Token (SIT) schema and capability-routing traits for Brain OS351MIT
pg_connectorA powerful and easy-to-use PostgreSQL connector for Rust with connection pooling and read/write cluster support.350MIT OR Apache-2.0
rok-orm-migrateDatabase migration DSL for the rok ORM ecosystem350MIT
hadb-storage-s3S3-compatible StorageBackend impl for hadb-storage. Works with AWS S3, Tigris, MinIO, Cloudflare R2, Wasabi, etc. CAS via…350Apache-2.0
rquery-ormLightweight SQL ORM for Rust with query-style (MSSQL + PostgreSQL).349MIT
uni-plugin-conformanceConformance test runner for uni-db plugin authors349Apache-2.0
apalis-natsBackground task processing for rust using apalis and nats jetstream348non-standard
dbtuiTerminal database client with Vim-style navigation346MIT
delta-funnelLightweight, fast Delta Lake to SQL Server loads with DataFusion SQL and native TDS346Apache-2.0
aingle_cortexCórtex API - REST/GraphQL/SPARQL interface for AIngle semantic graphs345Apache-2.0 OR LicenseRef-Commercial
pgmtPostgreSQL migration tool that keeps your schema files as the source of truth344MIT
innodb-utilsInnoDB file analysis toolkit344MIT
sifredbField-level encryption library with envelope encryption and blind indexes344Apache-2.0 OR MIT
audb-cliCommand-line interface for AuDB database application framework343AGPL-3.0
viatorA high-performance, memory-safe key-value store343MIT
ferriorm-parserSchema parser for ferriorm ORM - parses .ferriorm files into AST343MIT OR Apache-2.0
diesel_pgrx_deriveDerive macros for diesel_pgrx - Diesel ORM integration with PGRX342GPL-3.0
brainos-sandboxSandbox executor for isolated command execution342MIT
clicktype-macrosProcedural macros for ClickType - #[derive(ClickTable)] and more342MIT OR Apache-2.0
faucet-source-gcsGoogle Cloud Storage source connector for the faucet-stream ecosystem342MIT OR Apache-2.0
fmemoryMemory library for the fiddlesticks agent harness framework342MIT
brainos-auditImmutable audit trail for Brain OS341MIT
anvilforge-cast-deriveCast ORM derive macros: #[derive(Model)], #[has_many], #[belongs_to], #[scope].341MIT
vectorizer-protocolWire protocol types for Vectorizer (RPC + gRPC). Shared between server and SDKs.339Apache-2.0
philharmonic-store-sqlx-mysqlMySQL-family storage backend for the Philharmonic substrate, using sqlx. Targets MySQL 8, MariaDB, Aurora MySQL, and TiDB with…339Apache-2.0 OR MPL-2.0
brainos-resilienceResilience primitives — Hystrix circuit breaker, retry, and DLQ — for Brain OS339MIT
pylon-routerPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.337MIT OR Apache-2.0
quiverdb-cliQuiver command-line interface and single-binary entrypoint.337AGPL-3.0-only
rakka-persistenceEvent sourcing for rakka — `Eventsourced` trait, recovery permitter, async snapshotter, persistent FSM, at-least-once delivery.337Apache-2.0
hyperdb-mcpMCP server for Hyper database — instant SQL analytics for LLM workflows337MIT OR Apache-2.0
audb-runtimeRuntime library for AuDB database applications with Manifold backend336AGPL-3.0
datacules-agentdbSingle-file embedded database for AI agents. SQL + Vector Search + Full-Text Search + Hybrid Queries + Memory Graphs.336Unlicense
moondbRust client SDK for Moon — high-performance Redis-compatible server with vector search and graph engine336MIT
somniaType-safe SurrealDB ORM for Rust: typed query builder, #[derive(SurrealRecord)], schema generation, and Diesel-style migrations.336Apache-2.0
scry-protocolEvent protocol for Scry SQL proxy - FlexBuffers serialization for query events334MIT OR Apache-2.0
lance-context-coreMultimodal, versioned context storage for agentic workflows334Apache-2.0
pg-wiredMinimal async PostgreSQL wire protocol v3 client: connection, extended query, pipelining, COPY, LISTEN/NOTIFY, TLS, SCRAM.334MIT OR Apache-2.0
drasi-source-mssqlMicrosoft SQL Server CDC source plugin for Drasi333Apache-2.0
kotoba-mainGP2-based Graph Rewriting Language - ISO GQL-compliant queries, MVCC+Merkle persistence, and distributed execution332Apache-2.0
faucet-source-kafkaApache Kafka consumer source for the faucet-stream ecosystem332MIT OR Apache-2.0
faucet-sink-stdoutStdout/stderr sink connector for the faucet-stream ecosystem330MIT OR Apache-2.0
prax-duckdbDuckDB database driver for Prax ORM - optimized for analytical workloads330MIT OR Apache-2.0
sea-query-hyperdbHyperDB SQL dialect backend for sea-query330MIT OR Apache-2.0
oxisql-embeddedEmbedded in-memory SQL backend for OxiSQL — powered by GlueSQL329Apache-2.0
faucet-sink-gcsGoogle Cloud Storage sink connector for the faucet-stream ecosystem327MIT OR Apache-2.0
faucet-source-elasticsearchElasticsearch source connector for the faucet-stream ecosystem327MIT OR Apache-2.0
faucet-source-mssqlMicrosoft SQL Server query source connector for the faucet-stream ecosystem326MIT OR Apache-2.0
faucet-sink-redisRedis sink connector for the faucet-stream ecosystem326MIT OR Apache-2.0
faucet-state-postgresPostgreSQL-backed StateStore for faucet-stream incremental replication326MIT OR Apache-2.0
pg-constraint-macroCompile-time validation of PostgreSQL constraint and unique index names for sqlx325MIT
tank-mongodbMongoDB driver implementation for Tank: the Rust data layer325Apache-2.0
dbrest-coreDatabase-agnostic core for the dbrest REST API324Apache-2.0
octostoreSimple leader election over HTTP with self-hosted task and agent coordination324MIT
manifoldb-graphGraph storage and traversal for ManifoldDB324MIT OR Apache-2.0
faucet-sink-mysqlMySQL sink connector for the faucet-stream ecosystem324MIT OR Apache-2.0
bolt-proto-5xBolt protocol primitives with 5.x support: values, messages, and serialization / deserialization.324MPL-2.0
prax-actixActix-web framework integration for Prax ORM324MIT OR Apache-2.0
faucet-sink-sqliteSQLite sink connector for the faucet-stream ecosystem323MIT OR Apache-2.0
prax-scylladbScyllaDB database driver for Prax ORM - high-performance Cassandra-compatible database322MIT OR Apache-2.0
datastore-emulatorA Google Cloud Datastore emulator written in Rust.322MIT
llm-registry-serviceBusiness logic and service layer for the LLM Registry - Model management, versioning, and validation321Apache-2.0 OR MIT
manifoldb-vectorVector storage and similarity search for ManifoldDB321MIT OR Apache-2.0
prax-axumAxum framework integration for Prax ORM321MIT OR Apache-2.0
udbUniversal Data Broker — a Rust gRPC broker over multiple databases (Postgres, MySQL, SQLite, MongoDB, ClickHouse, Cassandra,…321MIT
bullmq-officialA powerful, fast, and robust job queue for Rust backed by Redis321MIT
tinyetlFast, zero-config ETL in a single binary for transforming data between formats and databases320Apache-2.0
rediqA distributed task queue framework for Rust based on Redis320MIT OR Apache-2.0
faucet-sink-csvCSV file sink connector for the faucet-stream ecosystem320MIT OR Apache-2.0
grust-postgres-coreShared PostgreSQL GraphStore backend implementation for Grust.320MIT OR Apache-2.0
flowscope-cliCommand-line interface for FlowScope SQL lineage analyzer319Apache-2.0
ferriorm-runtimeRuntime library for ferriorm ORM - database client, filters, query execution319MIT OR Apache-2.0
faucet-sink-mongodbMongoDB sink connector for the faucet-stream ecosystem319MIT OR Apache-2.0
samkhya-coreA provable join-cardinality ceiling, plus the portable sketches that feed it: HLL, Bloom, Count-Min, histograms, and Puffin…319Apache-2.0
faucet-state-redisRedis-backed StateStore for faucet-stream incremental replication319MIT OR Apache-2.0
faucet-sink-parquetApache Parquet file sink connector for the faucet-stream ecosystem318MIT OR Apache-2.0
oxen-serverOxen is a fast, unstructured data version control, to help version large machine learning datasets written in Rust.318non-standard
apalis-rsmqA redis-backed message queue build with rust, apalis and rsmq-async317MIT OR Apache-2.0
cognee-modelsCore domain data models (DataPoint, User, graph/vector entities) for the cognee AI-memory pipeline.317MIT OR Apache-2.0
faucet-sink-mssqlMicrosoft SQL Server sink connector for the faucet-stream ecosystem317MIT OR Apache-2.0
gitcortex-storeKuzuDB-backed graph store for GitCortex — branch-namespaced, embedded, zero server process316MIT
faucet-sink-elasticsearchElasticsearch sink connector for the faucet-stream ecosystem316MIT OR Apache-2.0
faucet-sink-kafkaApache Kafka producer sink for the faucet-stream ecosystem315MIT OR Apache-2.0
grust-cypherCypher parser, planner, and generic returning executor for Grust.315MIT OR Apache-2.0
sqlx-mssql-odbc-coreCore MSSQL driver for SQLx via ODBC.315Apache-2.0
faucet-authShared, single-flight authentication providers (OAuth2, token-endpoint) for faucet-stream connectors315MIT OR Apache-2.0
tensor_spatialR-tree spatial index for region and nearest-neighbor queries314MIT OR Apache-2.0
wesichain-checkpoint-sqlShared SQL checkpoint schema and operations314Apache-2.0 OR MIT
faucet-source-s3AWS S3 source connector for the faucet-stream ecosystem314MIT OR Apache-2.0
llm-sentinel-storageInfluxDB time-series storage and multi-layer caching (Moka + Redis) for LLM-Sentinel313Apache-2.0
nodedb-sqlSQL parser, planner, and optimizer for NodeDB313Apache-2.0
memory-agentPersistent memory system for AI coding agents313MIT
rouchdb-adapter-httpCouchDB HTTP client adapter for RouchDB313MIT
pg_debyte_coreCore building blocks for PostgreSQL extensions that decode bytea into JSON313Apache-2.0
relational_engineSQL-like relational engine with SIMD-accelerated filtering and columnar storage313MIT OR Apache-2.0
cerebroA blazing-fast AI memory layer that enables teams of specialized agents to collaborate through a shared cognitive architecture.313MIT
nt-memoryHierarchical memory system for Neural Trader - ReasoningBank-compatible with L1/L2/L3 caching312MIT OR Apache-2.0
csvdbConvert between SQLite/DuckDB databases and CSV directories312MIT
overdrive-dbOverDrive-DB embedded SDK — ACID transactions, AES-256 encryption, WAL durability, 6 storage engines. The SQLite alternative…312MIT OR Apache-2.0
s2-testcontainersTestcontainers helpers for the S2 Docker image311MIT
djogiModel-first web framework for Rust — web-framework-agnostic core; Axum integration opt-in via the `axum` feature flag311Apache-2.0
rouchdb-changesChanges feed and live streaming for RouchDB311MIT
rouchdb-replicationCouchDB replication protocol implementation for RouchDB311MIT
dent8-store-sqliteEmbedded SQLite adapter for the dent8 event log, implementing AsyncEventStore.311Apache-2.0 OR MIT
octobrainStandalone memory management system for AI context and conversation state310Apache-2.0
rouchdb-adapter-redbPersistent local storage adapter for RouchDB using redb310MIT
faucet-source-mongodbMongoDB source connector for the faucet-stream ecosystem310MIT OR Apache-2.0
faucet-source-postgres-cdcPostgreSQL logical replication (CDC) source for the faucet-stream ecosystem310MIT OR Apache-2.0
mnem-annApproximate-nearest-neighbour (HNSW) vector index for mnem. Feature-gated alternative to the built-in brute-force index in…309Apache-2.0
faucet-source-websocketWebSocket streaming source connector for the faucet-stream ecosystem308MIT OR Apache-2.0
faucet-source-mysqlMySQL query source connector for the faucet-stream ecosystem308MIT OR Apache-2.0
event_publisherAgnostic event publisher for outbox pattern307GPL-3.0
ff-serverFlowFabric server library and HTTP binary307Apache-2.0
faucet-source-sqliteSQLite query source connector for the faucet-stream ecosystem306MIT OR Apache-2.0
rust-memexOperator CLI + MCP server: canonical corpus second: semantic index second to aicx306BUSL-1.1
rdf-fusion-cliRDF Fusion CLI tool and SPARQL HTTP server305Apache-2.0
faucet-source-csvCSV file source connector for the faucet-stream ecosystem305MIT OR Apache-2.0
influxdb3-clientRust client for InfluxDB 3 Core and Enterprise305MIT
cyrs-astTyped AST for Cypher / GQL, codegen'd from cyrs-syntax (spec 0001 §5).304Apache-2.0 OR MIT
pylon-studio-apiPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.304MIT OR Apache-2.0
faucet-source-webhookWebhook receiver source connector for the faucet-stream ecosystem304MIT OR Apache-2.0
hexeract-outbox-postgresPostgreSQL backend for the Hexeract outbox via deadpool_postgres303MIT OR Apache-2.0
swivelOne trait, many databases: a tiny Rust adapter layer for Notion, Supabase, and Postgres.303MIT
faucet-source-parquetApache Parquet file source connector for the faucet-stream ecosystem303MIT OR Apache-2.0
dent8-store-postgresPostgres schema and adapter boundary for dent8.303Apache-2.0 OR MIT
oxen-cliOxen is a fast, unstructured data version control, to help version large machine learning datasets written in Rust.303non-standard
faucet-source-snowflakeSnowflake query source connector for the faucet-stream ecosystem302MIT OR Apache-2.0
faucet-sink-jsonlJSON Lines file sink connector for the faucet-stream ecosystem302MIT OR Apache-2.0
brainos-confirmHuman approval gates for Brain OS301MIT
faucet-sink-snowflakeSnowflake sink connector for the faucet-stream ecosystem301MIT OR Apache-2.0
faucet-sink-bigqueryBigQuery sink connector for the faucet-stream ecosystem301MIT OR Apache-2.0
skeg-serverTCP server for skeg: thread-per-core, binary protocol + RESP3301Apache-2.0
pg_streamA low-level, zero-overhead Rust implementation of the Postgres wire protocol.300MIT
rsqlite-wasm-vfsVirtual file system trait and backends for rsqlite-wasm300MIT
faucet-source-bigqueryBigQuery query source connector for the faucet-stream ecosystem300MIT OR Apache-2.0
rok-orm-coreCore traits and query builder for rok-orm300MIT
prax-orm-cliCLI tool for the Prax ORM300MIT OR Apache-2.0
rustlite-snapshotSnapshot and backup functionality for RustLite (internal implementation detail)299Apache-2.0
narwhal-historyAppend-only query history journal for narwhal299MIT OR Apache-2.0
boarddown-dbSQLite storage backend for BoardDown with FTS support299MIT
uni-plugin-extismExtism (bytes-in/bytes-out WASM) loader for the uni-db plugin framework299Apache-2.0
crdt-migrateTransparent schema migrations for crdt-kit: versioned serialization and automatic data migration298MIT OR Apache-2.0
pgevolve-corePostgres declarative schema management — core library (parser, IR, diff, planner) powering the pgevolve CLI.298MIT OR Apache-2.0
mini-app-mcpAgent-First CRUD store MCP server — 1 daemon per table, schema.yaml driven, SQLite backend298MIT OR Apache-2.0
daimon-plugin-pgvectorpgvector-backed VectorStore plugin for the Daimon AI agent framework298MIT OR Apache-2.0
rok-ormEloquent-inspired async ORM for the rok ecosystem297MIT
uni-plugin-wasmWASM Component Model loader for the uni-db plugin framework297Apache-2.0
zero-trust-sdkRust SDK for Zero Trust Blockchain Database - Secure, programmable access to zero-trust data storage296MIT
crudly-macrosProc-macros for the crudly crate (`IntoRow` and `Crudly` derive).296MIT OR Apache-2.0
innateInnate — self-growing procedural knowledge layer for AI agents296MIT