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.
praxis-persistMongoDB persistence layer for AI agent conversations with context management493MIT
ai00-memAI00-MEM: A high-performance memory system for AI applications with advanced RAG capabilities, vector-graph hybrid storage, and…492MIT OR Apache-2.0
hyperlane-cosmos-dymension-rsProtobuf definitions for Hyperlane Cosmos SDK and Dymension's x/kas module492non-standard
skeg-vectorVector tier for skeg: Vamana graph, int8/PQ/TurboQuant quantizers, flat scan491Apache-2.0
skade-katalogThe katalog under skade: an embedded, single-file ACID Apache Iceberg catalog (redb) with time-travel snapshots and atomic…491Apache-2.0
enfipy-tigerbeetleTigerBeetle client for Rust490Apache-2.0
moquilangA WebAssembly module for entity operations and service calls with a database (default to a SQLite integration)489MIT
persona-wirepersona-wire unified CLI — clap-based bin dispatching subcommands (init / node / edge / spec / projection / wire-init /…489MIT OR Apache-2.0
tank-mysqlMySQL and MaridDB driver implementation for Tank: the Rust data layer487Apache-2.0
neutrino-schemaCompile relational database schemas into strongly typed Rust types.487MIT OR Apache-2.0
mysql-sqlite-rsA CLI tool for migrating data from MySQL to SQLite databases.486AGPL-3.0
pg-clientPostgreSQL client configuration and connection management486MIT
tsqlA modern, keyboard-first PostgreSQL CLI485MIT
camel-component-opensearchOpenSearch component for rust-camel484Apache-2.0
flowlog-runtimeRuntime support crate for FlowLog — re-exports timely/differential-dataflow and provides helpers used by flowlog-build-generated…483Apache-2.0
pgroles-operatorKubernetes operator for pgroles — reconciles PostgresPolicy CRDs480MIT
dent8-storeStorage and replay boundaries for dent8 fact events.479Apache-2.0 OR MIT
sgv-migrateA simple PostgreSQL migration CLI tool478MIT
qail-redisQAIL driver for Redis - ephemeral state and caching. Part of the QAIL decision layer.478MIT OR Apache-2.0
semantic-memoryLocal-first hybrid semantic search (SQLite + FTS5 + usearch 2.25) with bitemporal truth and typed receipts477Apache-2.0
graph_engineHigh-performance graph database engine with traversal algorithms and pattern matching477MIT OR Apache-2.0
k8sqlQuery Kubernetes with SQL476BSD-3-Clause
alopex-chirps-coreCore traits and types for Alopex Chirps cluster coordination476Apache-2.0 OR MIT
brainos-signalCentral signal processor coordinating all Brain OS subsystems476MIT
oliveA powerful, schema-aware API generation library.475MIT OR Apache-2.0
hadb-storage-localLocal filesystem StorageBackend impl for hadb-storage. Rooted at a directory; atomic writes via temp-file + rename; best-effort…475Apache-2.0
pgparquetHigh-performance CLI tool for streaming Parquet files from Google Cloud Storage into PostgreSQL473MIT
quiverdb-protoWire types for Quiver: the gRPC service contract and generated code.472AGPL-3.0-only
persona-wire-adapter-obsidianpersona-wire Adapter for Obsidian vault (scheme `obsidian://`). Reads Markdown notes from a local vault directory with YAML/TOML…471MIT OR Apache-2.0
drasi-wal-redbRedb-based Write-Ahead Log implementation for Drasi transient sources470Apache-2.0
chronos-vectorHigh-performance temporal vector database — treats time as a geometric dimension of embedding space469non-standard
sql_query_analyzerStatic analysis tool for SQL queries with 33 built-in rules for performance, security, and style468MIT
sqlxplus-deriveProc-macro derives for sqlxplus467MIT OR Apache-2.0
bunny-sql-assistant🐰 Bunny SQL Assistant is a CLI tool that converts natural language into SQL using local LLMs like Ollama.466MIT
pg_glimpseA terminal-based PostgreSQL monitoring tool with live TUI465MIT
outbox-coreCore traits and logic for modular transactional outbox pattern in Rust464MIT
hadbDatabase-agnostic HA coordination framework. Leader election, replication, write forwarding.462Apache-2.0
cargo-yauthCLI for yauth migration management — cargo yauth init/add-plugin/remove-plugin/status/generate462MIT
do-memory-storage-redbredb embedded storage backend for do-memory-core episodic learning system (cache layer)461MIT
claw-guardSecurity, session, and policy engine for ClawDB.461Apache-2.0
supabase-client-deriveDerive macros for supabase-client (#[derive(Table)])461MIT OR Apache-2.0
supabase-client-queryQuery builder, filters, modifiers, and SQL/PostgREST execution for supabase-client461MIT OR Apache-2.0
parsql-migrationsMigration system for parsql - type-safe database migrations460MIT OR Apache-2.0
firebase-sdk-rsA simple client for firebase458MIT
qrateA examination generator library that generates different quiz sets for all students so that each student may have a different…458MIT OR Apache-2.0
sabiqlA fast, driver-less TUI for browsing and editing PostgreSQL databases458MIT
better-auth-allsourceAllsource DatabaseAdapter for better-auth-rs — event-sourced auth persistence457MIT
icepickExperimental Rust client for Apache Iceberg with WASM support for AWS S3 Tables and Cloudflare R2456Apache-2.0
ormdb-protoWire protocol definitions for ORMDB with zero-copy serialization456MIT
prax-importImport schemas from Prisma, Diesel, and SeaORM to Prax ORM456MIT OR Apache-2.0
easy-sqlMacro-first SQL toolkit with compile-time checked queries, optional migrations on top of sqlx.455Apache-2.0
anamnesis-coreCore domain types and adapter trait for Anamnesis455Apache-2.0
uni-plugin-wasm-rtShared Arrow IPC + instance-pool runtime for the uni-db plugin WASM loaders455Apache-2.0
docx-storeStorage models and schema helpers for docx-mcp.453MIT
lake-driver-macrosMacros for TiDB Cloud Lake Driver453Apache-2.0
hadb-ioShared S3/retry/upload infrastructure for the hadb ecosystem.453Apache-2.0
persona-wire-adapter-mcppersona-wire Adapter for any MCP server (scheme `mcp://`). Routes tool calls and resource reads to MCP servers (stdio or…452MIT OR Apache-2.0
ousia-ledgerA high-performance double-entry ledger system for Rust451MIT
graphddb_runtimeRust runtime for GraphDDB — interprets the language-neutral IR (manifest.json + operations.json) and executes the validated…451MIT
grust-helixHelixDB GraphStore backend for Grust.450MIT OR Apache-2.0
forgedb-typesCore type definitions for ForgeDB450MIT OR Apache-2.0
nt-agentdb-clientAgentDB client for Neural Trader - vector database integration and agent memory management449MIT OR Apache-2.0
llm-registry-dbDatabase layer for the LLM Registry - PostgreSQL integration with migrations and repository patterns448Apache-2.0 OR MIT
nautilus-orm-codegenCode generator for Nautilus ORM schema files447MIT OR Apache-2.0
quiverdb-mcpAn MCP server exposing Quiver's capabilities as agent tools.446AGPL-3.0-only
oxisqlOxiSQL — Pure-Rust SQL facade: connect to in-memory, embedded, or wire-protocol databases with a single API444Apache-2.0
fraiseqlFraiseQL v2 - Compiled GraphQL execution engine for relational databases442MIT OR Apache-2.0
sqeel-tuiRatatui TUI front-end for sqeel: vim-modal SQL editing with hjkl bindings.441MIT
persona-wire-transport-httpShared HTTP transport for persona-wire Adapters (JSON GET/POST + raw byte fetch, bearer auth, custom headers). No scheme-specific…441MIT OR Apache-2.0
gaze-auditPassive audit sinks for Gaze metadata-only redaction logs441Apache-2.0 OR MIT
rocksmapA high-level, type-safe abstraction over RocksDB with zero unsafe code and ergonomic map-like APIs438MIT
veclite-sqlVecLite embedded vector database component438MIT
schema-registry-storageStorage backends for the LLM Schema Registry (PostgreSQL, S3, Redis)437Apache-2.0
flusso-query-deriveDerive macro generating a typed, compile-time-validated query surface for flusso indexes.437Apache-2.0
rmcp-memexRAG/memory MCP server with LanceDB vector storage436MIT OR Apache-2.0
drasi-bootstrap-mssqlMicrosoft SQL Server bootstrap plugin for Drasi436Apache-2.0
forge-jobsSidekiq-style job queue with embedded SQLite and pluggable Postgres. Per-queue workers + cron + cluster-wide rate-limit budget +…435MIT OR Apache-2.0
eql-bindingsCanonical wire types for EQL payloads — single source of truth for Rust, TypeScript (ts-rs), and JSON Schema (schemars).435MIT
fukurow-rdfsRDFS inference engine for Fukurow (subClassOf, subPropertyOf, domain, range)434MIT OR Apache-2.0
kstone-protoProtocol Buffers definitions for KeystoneDB gRPC API433MIT OR Apache-2.0
ruvector-postgresHigh-performance PostgreSQL vector database extension v2 - pgvector drop-in replacement with 230+ SQL functions, SIMD…433MIT
distx-coreCore library for DistX vector database - HNSW indexing, SIMD operations, BM25 search433MIT OR Apache-2.0
ceres-dbDatabase repository layer for Ceres with pgvector support433Apache-2.0
migSimple multi-database migrations, with async support431MIT
tank-scylladbScyllaDB and Cassandra driver implementation for Tank: the Rust data layer431Apache-2.0
pg-apiA high-performance PostgreSQL REST API driver with rate limiting, connection pooling, and observability431MIT
amaters-sdk-rustRust SDK for AmateRS430Apache-2.0
lake-driver-coreCore components for TiDB Cloud Lake Driver429Apache-2.0
wasi-pg-clientPostgreSQL client library for WASI Preview 2428MIT OR Apache-2.0
fukurow-sparqlSPARQL 1.1 engine (parser, algebra, optimizer, evaluator) for Fukurow428MIT OR Apache-2.0
sql-composerSQL template engine that composes reusable SQL fragments with parameterized bindings428MIT
nestforge-dataMulti-backend data abstractions for NestForge428MIT
claw-syncLocal-to-cloud synchronisation engine for ClawDB427Apache-2.0
sqlitexAn ergonomic sqlite library with compile time guarantees427MIT
oxify-connect-vectorVector database connectors for OxiFY - Qdrant, in-memory vector search426Apache-2.0
subgraphdbA flat-file graph database426Apache-2.0
aegis-queryQuery engine for Aegis database426LicenseRef-BSL-1.1
ai-memoryAI-agnostic persistent memory system — MCP server, HTTP API, and CLI for any AI platform425Apache-2.0
horsiesUnified public API for the horsies task queue and workflow engine424MIT
memistaHigh-performance vector search service with SQLite metadata storage and USearch vector indexing422GPL-3.0
flowscope-exportDatabase export for FlowScope analysis results421Apache-2.0
quiverdb-serverThe Quiver daemon: gRPC + REST with auth, RBAC, audit, and metrics.421AGPL-3.0-only
kimberlite-complianceCompliance reporting and verification for Kimberlite420Apache-2.0
auradbHigh-performance Rust storage engine with WAL-time KV separation, RL-driven compaction, and learned indexes419MIT OR Apache-2.0
clicktype-coreCore types and traits for ClickType - type-safe ClickHouse client419MIT OR Apache-2.0
cartridge-rsHigh-performance mutable archive format with SQLite VFS support418MIT OR Apache-2.0
flusso-cliflusso command-line interface: keep OpenSearch in sync with Postgres from declarative config.418Apache-2.0
smugglr-coreSQLite replication engine -- content-hash diffing, delta sync, any target417MIT
seaorm-poolA Rust crate that creates a MySQL connection pool for SeaORM using a TOML configuration file.415MIT
quiverdb-importMigration importers: load Qdrant / Chroma / pgvector exports into Quiver.415AGPL-3.0-only
prax-ormA next-generation, type-safe ORM for Rust inspired by Prisma413MIT OR Apache-2.0
qbeyA type-safe SQL query builder for Rust412MIT
rowdy-dbA fast, modern, and rowdy TUI database management tool written in Rust.412MIT OR Apache-2.0
aegis-streamingReal-time streaming for Aegis database412LicenseRef-BSL-1.1
netabaseA peer-to-peer networking layer built on libp2p with integrated type-safe storage, enabling distributed applications with…411GPL-3.0-only
runledger-runtimeAsync worker, scheduler, and reaper runtime for the Runledger job system411MIT
oversyncA lightweight data sync engine: poll, delta, sink.411Apache-2.0
aegis-documentDocument store engine for Aegis database411LicenseRef-BSL-1.1
extractdbA thread-safe, in-memory hash store supporting concurrent fetches and writes.410MIT OR Apache-2.0
flusso-queryBackend-neutral OpenSearch/Elasticsearch query client for flusso indexes.410Apache-2.0
somnia-deriveDerive macros for somnia — #[derive(SurrealRecord)] for type-safe SurrealDB records and schema.409Apache-2.0
ailake-cliAI-Lake Format — administrative CLI (create, insert, search, compact, info)408MIT OR Apache-2.0
raft-walMinimal append-only WAL (Write-Ahead Log) optimized for Raft consensus408MIT OR Apache-2.0
clazydbmA modern Terminal User Interface (TUI) database management tool for PostgreSQL, MySQL, and SQLite407MIT
aegis-clientClient SDK for Aegis database407LicenseRef-BSL-1.1
lora-serverHTTP server binary for LoraDB, exposing a Cypher-over-HTTP API.406BUSL-1.1
persona-wire-credentialsProvider-chain credential resolution for persona-wire Adapters (env var → OS keychain), token type unified as…405MIT OR Apache-2.0
nitrite_fjall_adapterFjall storage adapter for Nitrite database - persistent LSM-tree storage404Apache-2.0
aviladbAvilaDB - Globally distributed NoSQL database optimized for Brazil and LATAM404MIT OR Apache-2.0
fraiseql-observers-macrosProcedural macros for automatic span creation and structured logging in fraiseql-observers404MIT OR Apache-2.0
pgpeekpeek into postgres without the hassle402MIT
somnia-coreType-safe SurrealDB query builder and expression tree — core of the somnia ORM.402Apache-2.0
aegis-timeseriesTime series engine for Aegis database401LicenseRef-BSL-1.1
rustlite-storageStorage engine (LSM-tree, SSTable, compaction) for RustLite (internal implementation detail)399Apache-2.0
quiverdb-clusterOpt-in cluster-mode primitives for Quiver (ADR-0065): static shard map, rendezvous (HRW) id hashing, and the scatter-gather…399AGPL-3.0-only
tibet-zip-mirrortibet-zip Transparency Mirror: sled-backed distributed trust database399MIT OR Apache-2.0
klauthed-dataData-access building blocks for klauthed: pagination, transactional outbox, idempotency, locks, and caching.398MIT OR Apache-2.0
ares-vectorPure-Rust embedded vector database with HNSW indexing for ARES398MIT
forge-jobs-apiAxum HTTP transport for forge-jobs. Pure async handlers over the storage trait surface (shared with in-process IPC bindings) +…397MIT OR Apache-2.0
rouchdb-queryMango query selectors and map/reduce views for RouchDB396MIT
ailake-jniC-ABI cdylib for AI-Lake — Spark, Trino, and Flink connectors via JNA395MIT OR Apache-2.0
claw-vectorThe semantic memory engine for ClawDB — HNSW vector indexing and storage395MIT
claw-branchFork, simulate, and merge engine for ClawDB agents.395Apache-2.0
nestforge-dbTier 1 database module for NestForge built on SQLx adapters395MIT
scythe-cliCLI for scythe -- SQL-to-code generator with linting and formatting395MIT
faucet-common-mssqlShared configuration, TLS, and connection-pool types for the faucet-stream MSSQL source and sink connectors395MIT OR Apache-2.0
sql_docsA crate for parsing comments from sql files and using them for documentation generation394GPL-3.0
quarb-relationalShared relational model for Quarb's database adapters394MIT OR Apache-2.0
prax-mongodbMongoDB database driver for Prax ORM394MIT OR Apache-2.0
opensearch-apiHigh-performance REST API gateway for OpenSearch with security, observability and multi-tenant support393MIT OR Apache-2.0
ryugraphAn in-process property graph database management system built for query speed and scalability393MIT
chunkshop-rsStandalone ingest-to-pgvector: source -> chunker -> embedder -> extractor -> table. int8 BGE by default; bakeoff matrix evaluator…392MIT
relay-knowledgeGraph-database-based knowledge graph project.392MIT
qcraftUniversal, extensible query builder for SQL databases391MIT OR Apache-2.0
sbo3l-storageSBO3L storage: SQLite persistence + hash-chained audit log.390MIT
pylon-functionsPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.389MIT OR Apache-2.0
zvec-bindingsIdiomatic Rust bindings for zvec vector database389Apache-2.0
faucet-source-restREST API source connector for the faucet-stream ecosystem389MIT OR Apache-2.0
workersA robust async PostgreSQL-backed background job processing system388MIT OR Apache-2.0
prax-mssqlMicrosoft SQL Server database driver for Prax ORM388MIT OR Apache-2.0
kaccy-dbDatabase layer for Kaccy Protocol - PostgreSQL, Redis, and distributed caching388Apache-2.0
brainos-bridgeWebSocket relay client for connecting external platforms to Brain OS387MIT
umadb-toolsCommand-line tools for UmaDB databases (integrity checks, utilities).387MIT OR Apache-2.0
faucet-common-kafkaShared configuration types for the faucet-stream Kafka source and sink connectors386MIT OR Apache-2.0
do-memory-storage-tursoTurso/libSQL storage backend for the do-memory-core episodic learning system385MIT
sqlxplusA powerful SQL query builder and ORM for sqlx with CRUD operations385MIT OR Apache-2.0
bitcoinleveldb-posixtoolsPOSIX-focused LevelDB support utilities: singleton environment wiring, mmap and open-file limit management, process-local POSIX…384MIT
fortress-coreFortress Core Library - Enterprise Security. Core library for Fortress secure database system with multi-layer encryption.384MIT
honkerSQLite-native task runtime: durable queues, streams, pub/sub, and scheduler. Ergonomic Rust wrapper over honker-core.383MIT OR Apache-2.0
rouchdb-adapter-memoryIn-memory storage adapter for RouchDB383MIT
engram-ai-coreCore library for the Engram AI agent memory system382MIT
avocado-coreCore engine for AvocadoDB - deterministic context compilation for AI agents381MIT
user-permission-coreAsync user / group / permission core (SQLite backend, Argon2, JWT, optional HTTP relay)381MIT OR Apache-2.0
wasm-dbms-memoryMemory abstraction and page management for the wasm-dbms framework380MIT
faucet-source-postgresPostgreSQL query source connector for the faucet-stream ecosystem380MIT OR Apache-2.0
vulnera-advisorAggregates security advisories from GHSA, NVD, OSV, CISA KEV, and more380GPL-3.0-or-later
rskvHigh-performance KV store inspired by Microsoft FASTER379MIT OR Apache-2.0
dbkit-rsMulti-backend database infrastructure: sqlx writes (Postgres/MySQL/SQLite) with optional DuckDB/DataFusion analytical reads,…379MIT
waypoint-coreLightweight, Flyway-compatible SQL migration library for PostgreSQL and MySQL379MIT
alaz-coreLong-term memory for AI coding agents378MIT
faucet-sink-httpHTTP POST sink connector for the faucet-stream ecosystem378MIT OR Apache-2.0
prax-sqlxSQLx query engine backend for Prax ORM with compile-time checked queries376MIT OR Apache-2.0
mariadb_exporterMariaDB metric exporter for Prometheus376BSD-3-Clause
hyperdb-api-salesforceSalesforce Data Cloud OAuth authentication for Hyper database376MIT OR Apache-2.0
faucet-common-elasticsearchShared configuration types for the faucet-stream Elasticsearch source and sink connectors376MIT OR Apache-2.0
fluxmapA thread-safe, transactional, and concurrent in-memory key-value store for Rust. Offers ACID guarantees with Serializable…375MIT
rstmdb-walWrite-ahead log implementation for rstmdb - durable, append-only storage375non-standard
imessage-dbRead-only rusqlite access layer for the macOS iMessage chat.db schema.375MIT
faucet-source-graphqlGraphQL API source connector for the faucet-stream ecosystem375MIT OR Apache-2.0
faucet-sink-s3AWS S3 sink connector for the faucet-stream ecosystem375MIT OR Apache-2.0
rok-orm-macrosProcedural macros for rok-orm375MIT
vaultdb-coreLibrary engine for vaultdb — markdown-as-database for Obsidian-style vaults373MIT
sevensense-vectorVector database operations and HNSW indexing for 7sense bioacoustics platform373MIT OR Apache-2.0
faucet-source-xmlXML API source connector for the faucet-stream ecosystem373MIT OR Apache-2.0
second-brain-coreCore library for second-brain: KuzuDB graph storage, BGE embeddings, and weighted query engine373MIT
sqlmodel-queryType-safe SQL query builder for SQLModel Rust373LicenseRef-MIT-OpenAI-Anthropic-Rider
faucet-common-gcsShared GCS credential and client types for the faucet-stream ecosystem373MIT OR Apache-2.0
faucet-source-grpcgRPC API source connector for the faucet-stream ecosystem372MIT OR Apache-2.0
vector_enginek-NN similarity search engine with HNSW indexing and multiple distance metrics372MIT OR Apache-2.0
faucet-common-snowflakeShared configuration types for the faucet-stream Snowflake source and sink connectors371MIT OR Apache-2.0