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.
lvqr-archiveLVQR segment index for DVR scrub and time-range playback140AGPL-3.0-or-later
tiders-x402-serverPayment-enabled database API server that connects different databases with the x402 payment protocol to create a pay-per-query…140MIT OR Apache-2.0
banshee_schemaPostgres schema snapshots, on-disk cache, and schema providers for banshee.140MIT
pg_replicaConsensus-driven failover for PostgreSQL (Raft control plane)140AGPL-3.0-only
kowitodb-coreCore types and primitives for KowitoDB — the database built for AI agents.140MIT
smugglrContent-hashed delta sync for SQLite -- push, pull, and bidirectional sync to any pluggable target139MIT
pylon-cliPylon — realtime backend as a single Rust binary. Schema, policies, server functions, live queries, auth — one process.139MIT OR Apache-2.0
chainindex-storageStorage backends for ChainIndex (memory, SQLite, Postgres)139MIT
haybarn-loadable-macrosProc-macros for building loadable Haybarn (powered by DuckDB) extensions in Rust139MIT
vein-admin-migrationDatabase migrations for Vein admin service138AGPL-3.0-only
oxigdal-querySQL-like query language and cost-based optimizer for geospatial data138Apache-2.0
alopex-chirps-file-transferFile transfer APIs for Alopex Chirps138Apache-2.0 OR MIT
sntlCompile-time guarded ORM for PostgreSQL — your data's guardian from compile to production138MIT OR Apache-2.0
eventdbx-clientAsync Rust client and CLI for EventDBX137MIT
oxigdal-kinesisAWS Kinesis streaming integration for OxiGDAL - Real-time data streaming137Apache-2.0
oxigdal-pubsubGoogle Cloud Pub/Sub integration for OxiGDAL - Pure Rust streaming and messaging137Apache-2.0
hadb-storage-memIn-memory StorageBackend impl for hadb-storage. Primarily for tests and examples.137Apache-2.0
rain-engine-store-valkeyValkey coordination store for RainEngine137MIT
chasquimqThe fastest open-source message broker for Redis. Rust-native engine on Redis Streams + MessagePack, with Node.js and Python…137MIT
smugglr-http-sqlHTTP SQL adapter plugin for smugglr -- supports Turso, rqlite, SQLite Cloud, and custom endpoints136MIT
spire-ai-macrosDerive macros for spire-ai136AGPL-3.0-only
sqlite_pagesPage-level SQLite database access using sqlite_dbpage virtual table136MIT OR Apache-2.0
dbiewlite-coreShared database operations for DBiewLite (SQLite, DuckDB, Parquet)136MIT
atomr-persistence-query-inmemoryIn-memory read journal for atomr-persistence-query.136Apache-2.0
nervusdbNervusDB v2: Rust-embedded, crash-safe property graph database with Cypher subset – like SQLite for graphs.136AGPL-3.0-only
lcp-coreCore types, hashing, SQLite cache, and provider config for lcp136MIT OR Apache-2.0
edgehdf5-memoryHDF5-backed persistent memory store for on-device AI agents135MIT
loladb-coreCore database engine for LolaDB135MIT OR Apache-2.0
lib-migrations-coreGeneric migration framework - bring your own storage and actions135BSL-1.0
grounddbSchema-driven database that stores data as Markdown files — SQL views, file watching, typed Rust codegen135MIT
lunaris-retrieveComposable retrieval DSL (vector, keyword, graph) for the Lunaris agent memory engine135Apache-2.0
indra_dbA content-addressed graph database for versioned thoughts135MIT
hermes-broker-storeDurable message storage backend for Hermes using redb.135MIT OR Apache-2.0
vibesql-bench-commonShared benchmark infrastructure for vibesql benchmarks135MIT OR Apache-2.0
slintrustAn async Rust ORM that auto-generates tables and CRUD from structs134MIT OR Apache-2.0
duckquillParquet-backed text2sql engine and CLI for schema-first querying workflows134MIT
oxigdal-haHigh availability, disaster recovery, and automatic failover for OxiGDAL133Apache-2.0
oxigdal-offlineOffline-first data management with sync queue, conflict resolution, and optimistic updates for OxiGDAL133Apache-2.0
runatA distributed job scheduler for Rust133MIT
mnemaraLocal-first, explainable AI memory engine for embedded and service-based systems133MIT
lunaris-storage-postgresPostgres + pgvector storage backend for Lunaris132Apache-2.0
alun-cacheAlun cache abstraction: local in-memory cache + Redis integration132Apache-2.0
mnem-mcpModel Context Protocol server for mnem - the AI-native, local-first memory substrate for agents.131Apache-2.0
rust-ef-mysqlMySQL provider for Rust Entity Framework131MIT
rust-ef-sqliteSQLite provider for Rust Entity Framework131MIT
lunaris-consolidateACT-R activation-based memory consolidator for Lunaris131Apache-2.0
pubmeddbPubMed query tool (Rust core)130MIT
kevy-clikevy operations CLI: redis-cli-style REPL plus the migration toolchain (import/export/verify/diff/inspect/digest).130Apache-2.0 OR MIT
grumpydb-protocolWire protocol (RESP-like) for GrumpyDB — shared between server and client drivers130MIT OR Apache-2.0
ferra-serverHTTP + SSE configuration server for Ferra, a lightweight Postgres-backed configuration center130MIT
vectx-storageStorage layer for vectX vector database - WAL, snapshots, LMDB persistence129MIT OR Apache-2.0
durareA DBOS-compatible durable execution SDK for Rust: write ordinary async code, checkpoint every step to Postgres or SQLite, and…129MIT OR Apache-2.0
kiromi-ai-test-suiteConformance test harness and shared fixtures for kiromi-ai-memory plugin implementations: assert_storage_contract,…129Apache-2.0 OR MIT
narwhal-driversBundled database drivers for narwhal (PostgreSQL, MySQL, SQLite, DuckDB, ClickHouse) + driver registry129MIT OR Apache-2.0
rusticx-sqlShared SQL dialect compiler (DDL + DML) for the Rusticx multi-database ORM128MIT
rust-ef-postgresPostgreSQL provider for Rust Entity Framework128MIT
aingle_contractsSmart Contracts DSL and WASM Runtime for AIngle128Apache-2.0 OR LicenseRef-Commercial
replication-engineMesh replication agent for sync-engine nodes128AGPL-3.0
hadb-lease-s3S3 lease store and node registry for hadb coordination. CAS via S3 conditional PUTs.128Apache-2.0
ikigai-sparqlSPARQL query module for ikigai — urn:sparql:{select,ask,describe,construct} run over one or more graph=<uri> sources resolved…128MIT OR Apache-2.0
use-sql-schemaSQL schema, database, namespace, and search-path primitives for RustUse128MIT OR Apache-2.0
transferred-coreConnector-agnostic traits and types for the transferred data transfer engine.128MIT
soma-schemaA standalone, reusable SQL migration tool — plain SQL files with UP/DOWN, version tracking, and advisory-lock safety. Postgres…128Apache-2.0
kfkA pure Rust Kafka CLI tool for cluster management, topic operations, and message produce/consume127MIT OR Apache-2.0
haybarnHaybarn — an ergonomic Rust wrapper for the Haybarn engine, a derived distribution of DuckDB (powered by DuckDB)127MIT
mnem-httpHTTP JSON API for mnem - REST surface over the core repo operations.126Apache-2.0
wesichain-qdrantQdrant vector store integration for Wesichain126Apache-2.0 OR MIT
use-pg-tablePostgreSQL table object primitives for RustUse126MIT OR Apache-2.0
grit-coreEmbedded, bi-temporal property graph for agent memory: one SQLite file, in-process, deterministic126MIT OR Apache-2.0
postmodern-cliCLI for postmodern job queue management.126MIT OR Apache-2.0
statiqZero-overhead, compile-time MSSQL service for Rust — stored procedures, async CRUD, connection pooling, static dispatch125MIT OR Apache-2.0
pgfsFUSE filesystem backed by a postgres database125MIT
chumA general-purpose ClickHouse schema migration tool (library + CLI).125MIT OR Apache-2.0
tideorm-cliCommand-line interface for TideORM125MIT
turbographAutomatic GraphQL API generation from PostgreSQL schemas in Rust125MIT OR Apache-2.0
stateset-migrationsSchema migration framework for StateSet iCommerce125MIT OR Apache-2.0
ch-rdsRuntime resource loading and local service orchestration125SUL-1.0
gbrainLocal-first hybrid RAG knowledge brain: SQLite, FTS5, typed graph edges, embeddings, dream cycle — Rust port of gbrain125ISC
rustorm-migrateDatabase migration engine for RustORM124MIT
gemstone-gciLow-level dynamic GemStone/S GCI loader and raw ABI bindings.124MIT
lunaris-verifySlow-path arbitration verifier for Lunaris124Apache-2.0
engramaiNeuroscience-grounded memory system for AI agents. ACT-R activation, Hebbian learning, Ebbinghaus forgetting, cognitive…124AGPL-3.0-or-later
pg-query-enginePostgREST-compatible URL parser and parameterized SQL builder for PostgreSQL.124MIT OR Apache-2.0
canardstackSingle-binary OpenTelemetry query server backed by DuckLake124Apache-2.0
pgcratePostgreSQL companion for teams not using Rails or Django. Migrations, introspection, diffing, and more.124MIT
sea-macrosProcedural macros for the searepo crate123MIT
srusty-filesA high-performance, cross-platform file search engine library with REST API123MIT
avocado-cliCLI tool for AvocadoDB - deterministic context compilation for AI agents122MIT
narwhal-mcpModel Context Protocol (MCP) server for narwhal — exposes connections, schema and queries to AI agents122MIT OR Apache-2.0
nervusdb-temporalTemporal Store for NervusDB - AI Memory / Episode management122AGPL-3.0-only
zerodds-durability-store-sqlitesqlite-WAL cold adapter for the ZeroDDS Durability-Service: ACID PERSISTENT storage, the default backend. Implements…122Apache-2.0
query-forgeRun SQL queries and dataset diffs on XLSX/XML/CSV/JSON/JSONL/Markdown/HTML/Feather/Parquet inputs and export results as text,…122MIT
cc-coreA core library for configuration, MySQL and Redis connection management121MIT
airnest-macrosProcedural macros for the airnest persistence crate.121MIT OR Apache-2.0
narwhal-appEvent loop, state management, glue code for narwhal121MIT OR Apache-2.0
velr-typesShared public value types for Velr drivers121MIT
eth-etl-streamingReal-time streaming infrastructure for Ethereum ETL121MIT
brainos-backendsAction backends (search, scheduling, messaging, memory) and resilience primitives for Brain OS121MIT
vldb-sqliteA Rust gRPC, library, and FFI gateway for SQLite with JSON and Arrow IPC query paths.120MIT
ormada-schemaSchema types and parsing for Ormada ORM migrations120MIT
elicit_redbElicitation-enabled redb type wrappers — MCP tools for redb embedded key-value store code generation120Apache-2.0 OR MIT
cognee-libCognee — an AI-memory pipeline that turns raw data into queryable knowledge graphs (umbrella crate).120MIT OR Apache-2.0
sntl-migrateMigrations library + CLI helpers for Sentinel ORM120MIT OR Apache-2.0
skeg-tenantMulti-tenant primitives for skeg (auth, tenant id, scoped keys, quota)120Apache-2.0
convex-autobackup-serverAxum web server and embedded dashboard for ConvexAutoBackup119Apache-2.0
narwhal-schema-diffStructural schema diff and DDL emission for narwhal119MIT OR Apache-2.0
avocado-serverHTTP server for AvocadoDB - deterministic context compilation for AI agents119MIT
atomr-persistence-mongodbMongoDB journal and snapshot store for atomr — indexed collections, atomic multi-document inserts, BSON payloads.119Apache-2.0
alaz-authLong-term memory for AI coding agents119MIT
ll-coreHybrid semantic search engine: BM25 + vector + PageRank + cross-encoder reranking over SQLite, with on-device ONNX inference119Apache-2.0
azoth-vectorVector similarity search extension for Azoth using sqlite-vector118MIT
arrow-graph-coreArrow-native graph store with configurable namespace partitioning and optional layer columns118MIT
alaz-searchLong-term memory for AI coding agents118MIT
rest-sqlRSQL/FIQL filter parser and validator for REST APIs — parse, validate, compile to native DB queries118MIT
clickhousectlThe CLI for ClickHouse: local and cloud.118Apache-2.0
sqeel-guiegui/eframe GUI front-end for sqeel: hosts the sqeel TUI inside a native window via egui_term.117MIT
octofhir-sofSQL on FHIR v2: ViewDefinition parser, PostgreSQL generator and database-free in-memory evaluator117MIT OR Apache-2.0
lunaris-storage-embeddedZero-dependency embedded storage backend for Lunaris (SQLite — memory:// and sqlite:///path)116Apache-2.0
redis-tower-protocolRESP protocol types and codec for redis-tower, backed by resp-rs116MIT OR Apache-2.0
nexcore-dataframeSovereign columnar DataFrame engine — zero-unsafe, zero-external-dependency replacement for polars116MIT OR Apache-2.0
kevy-mcpkevy official MCP server: stdio JSON-RPC bridge exposing kevy verbs as agent tools. Pure Rust.115Apache-2.0 OR MIT
olai-datafusion-policyEngine-neutral policy enforcement (access gate + row/column governance) for Apache DataFusion sessions115Apache-2.0
shipd-coreCore library for Shipd – a CLI-first task manager for developers115MIT
ormigoA fluent, async ORM for Rust (SQLite-first)115MIT
pg_debyte_pgrxpgrx glue for pg_debyte (GUCs and decode helpers)115Apache-2.0
casper-vdbClient library for Casper Vector Database115Apache-2.0
rain-engine-store-sqliteSQLite ledger store for RainEngine115MIT
use-pg-typePostgreSQL type primitives for RustUse115MIT OR Apache-2.0
alun-dbAlun database: Row-based CRUD, transactions, hooks, SQL templates, migrations115Apache-2.0
topodb-mcpMCP server exposing the TopoDB agent-memory engine115MIT OR Apache-2.0
pg_tviewsTransactional materialized views with incremental refresh for PostgreSQL115MIT
mindfryMemory with a Conscience114Apache-2.0
pg_debyte_macrosHelper macros for registering typed decoders in pg_debyte114Apache-2.0
use-sql-tableSQL table name, reference, schema, and alias primitives for RustUse114MIT OR Apache-2.0
quarb-metathecaMetatheca vault adapter for the Quarb query engine114MIT OR Apache-2.0
rain-engine-store-pgPostgres ledger store for RainEngine113MIT
sql-orm-tiberiusTiberius execution adapter for sql-orm.113MIT
vibesql-serverNetwork server with PostgreSQL wire protocol for VibeSQL112MIT OR Apache-2.0
vibesql-cliCommand-line interface for vibesql SQL database112MIT OR Apache-2.0
cognee-loggingStructured logging and tracing setup for the cognee AI-memory pipeline.112MIT OR Apache-2.0
grust-tursoTurso GraphStore backend for Grust.112MIT OR Apache-2.0
devuiA comprehensive development tools UI library111MIT
claude-vaultClaude Code conversation archive tool with SQLite + FTS5111MIT
marius-db-forgeBuild-time generator: PostgreSQL pg_attribute → Rust #[repr(C)] structs for the Marius engine.111MIT OR Apache-2.0
grorm-macrosGoroutine-native ORM for Rust with multi-database support111MIT
keygripTyped, key-centric DynamoDB access: derive schemas on models and work through live entities111MIT
wasi-dbms-memoryMemory provider and page management for wasm-dbms using WASI110MIT
runledger-test-supportTest support utilities for Runledger PostgreSQL integration tests110MIT
claude-code-transcripts-ingestCLI that ingests Claude Code transcript JSONL files into a DuckDB database for usage / cost analysis.110MIT OR Apache-2.0
sea-query-spannerSpanner SQL dialect for sea-query110MIT OR Apache-2.0
disk_backed_queueA robust, crash-resistant queue implementation that persists all data to disk using SQLite110MIT
converge-mnemos-knowledgeSelf-learning knowledgebase with vector search, gRPC, and MCP interfaces. Implements Converge recall and storage suggestors.110MIT
atomr-persistence-redisRedis journal and snapshot store for atomr — sorted-set journal, hash snapshots, transactional batches.110Apache-2.0
qbey-mysqlMySQL dialect extension for the qbey SQL query builder110MIT
drasi-source-neo4jNeo4j CDC source plugin for Drasi110Apache-2.0
anyformAny database. Any form. Zero hassle.109MIT OR Apache-2.0
nyx-agent-coreImplementation-detail config, state, persistence, and scan orchestration for nyx-agent.109AGPL-3.0-or-later
yang-db个人使用数据库操作109MIT OR Apache-2.0
dump-json-refsExtract canonical JSON/JSONL schemas and SQLite metadata for database reverse engineering.109MIT
pyrosql-protocolPWire protocol codec for PyroSQL — shared types for client and server109non-standard
traitclaw-memory-sqliteSQLite memory backend for TraitClaw — persistent conversations and FTS5 recall109MIT OR Apache-2.0
cortex-rs-memoryTiered memory engine: semantic embeddings + FTS5 hybrid retrieval with Weibull decay109MIT
faucet-source-singerSinger tap bridge source for the faucet-stream ecosystem (single-stream v0)109MIT OR Apache-2.0
nisabaData quality, reconciliation, and validation across different data stores109Apache-2.0
atomr-persistence-awsAWS DynamoDB journal and snapshot store for atomr — single-table design with conditional writes.109Apache-2.0
skeg-clientRust client for skeg (binary protocol)109Apache-2.0
apalis-diesel-postgresPostgreSQL storage backend for Apalis implemented with Diesel.109MIT OR Apache-2.0
gatekeep-sqlxSQLx query lowering adapter for gatekeep109MIT OR Apache-2.0
khive-pack-sessionSession verb pack - store/list/resume/export over the notes substrate109Apache-2.0
clicktype-batchAsync batching system for ClickType with backpressure and metrics108MIT OR Apache-2.0
clicktype-queryType-safe query builder for ClickHouse with compile-time validation108MIT OR Apache-2.0
airnestSilent, async SQLite persistence for Rust. Derive once, store forever.108MIT OR Apache-2.0
ephemeral-postgresEphemeral PostgreSQL instances for Rust integration tests, backed by testcontainers (Docker).108Apache-2.0
db_proc_macroProcedural macros for db_core project107MIT
tusker-migrationPostgreSQL specific database migration manager107MIT OR Apache-2.0
neuxdbA super simple, embedded, encrypted database like SQLite, using pipe-separated files and age encryption.106MIT
palimpsest-walTyped Postgres WAL ingest and pgoutput decoding for Palimpsest.106MIT OR Apache-2.0
opendata-logKey-oriented log database built on SlateDB106MIT
pgrsqlA beautiful TUI SQL editor for PostgreSQL106MIT
rms-memory-mcpPersistent, local-first memory for your AI coding agents.106MIT
cqrs-rust-libAn opinionated implementation of CQRS/Event Sourcing with pluggable storage backends (InMemory, PostgreSQL, MongoDB, SurrealDB)105MIT
crdt-dev-uiEmbedded web panel for inspecting crdt-kit databases during development105MIT OR Apache-2.0
hero_redisHigh-performance Redis-compatible server on redb with vector database support105Apache-2.0
rtdb-rsFirebase Realtime Database REST client for Rust — auth, read, write, patch, delete105MIT
sparql_http_client_macrosProc-macro crate for sparql_http_client (compile-time SPARQL query validation)105MIT OR Apache-2.0
atomr-persistence-cassandraCassandra and ScyllaDB journal and snapshot store for atomr — partitioned tables, prepared-statement replay.105Apache-2.0
atomr-persistence-azureAzure Table Storage journal and snapshot store for atomr.105Apache-2.0
connparseParse database connection strings, DSNs, URLs, file paths, and cloud storage URIs.105Apache-2.0
geodb-pyPython bindings for geodb-rs104MIT
kv-storage-clientA modern HTTP/2 client for the KV Storage server104MIT
katha-sqlxSQLite/Postgres event-sourcing backend for katha (SqlxEventStore, SqlxCommandStore)104MIT OR Apache-2.0
flintdbA lighter database104AGPL-3.0-only
crdt-codegenCode generation from TOML schemas for crdt-kit: persistence layer with repositories, events, and sync104MIT OR Apache-2.0
ormdb-coreCore storage engine, query executor, and catalog for ORMDB104MIT
vldb-lancedbA Rust gRPC, library, and FFI gateway for LanceDB vector data with JSON and Arrow IPC support.104MIT
triplox-clientHTTP/2 client for Triplox, a Datalog database.104Apache-2.0
fortress-api-serverREST API server for Fortress secure database system104MIT
tusker-schemaPostgreSQL schema inspection and diff engine104MIT OR Apache-2.0
vizgresA fast, keyboard-driven PostgreSQL client for the terminal103MIT
nflreadrsCrate to pull data from nflverse's NFL database.103MIT