PoloDB/PoloDB

embedded NoSQL database with MongoDB-like API in Rust

open source MongoDB alternative using Postgres
FerretDB/FerretDB
SQLite-compatible database engine in Rust with async, vector search, and cloud sync
tursodatabase/turso
query CSV, JSON, xlsx, and more with SQL in Rust
shencangsheng/easy_db
embedded graph database for fast, scalable analytics and easy integration
kuzudb/kuzu
PostgreSQL pooler and sharding proxy for managing and scaling databases with Rust
pgdogdev/pgdog
RocksDB — embeddable key-value store library for persistent data storage
facebook/rocksdb
Rust-based query engine for analytics, supports SQL, DataFrame, and multiple formats
apache/datafusion
connects AI tools and agents to MongoDB for natural language querying and schema exploration
mongodb-js/mongodb-mcp-server
Open-source application server with Rust, SQLite, and V8
trailbaseio/trailbase
distributed object storage system in Rust, alternative to MinIO
rustfs/rustfs