#database

PyPika is a python SQL query builder that exposes the full richness of the SQL language using a syntax that reflects the resulting query. PyPika excels at all sorts of SQL queries but is especially useful for data analysis.

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.

Open-source Java query builder for SQL and NoSQL

Ruby binding for DuckDB

High-performance adaptive, durable, portable, transactional embeddable storage engine with optional tiered object storage for infinite scale. Designed for flash and RAM optimization.

Cognitive memory engine for AI agents — temporal decay, contradiction detection, autonomous consolidation, knowledge graph, ANN recall via HNSW. Embeddable Rust library with Python bindings; powers yantrikdb-server (HTTP gateway, MCP server, openraft cluster). Apache-2.0.

🪨 CairnCMS provides open content and data infrastructure for self-hosted teams.

Keep track of your inventory of 3D-printer filament spools.

EhTagTranslation 项目的翻译数据。

El repositorio no publica descripción.

Kubernetes Operator for MongoDB — ReplicaSet, Sharded Cluster, Backup/PITR, TLS, LDAP, Monitoring. MIT licensed.

Fastest SQLite library for react-native by @ospfranco

Extension of Npgsql to add support for TimescaleDB.

Time-travel for your MySQL and PostgreSQL. DB Trail remembers every row change: searchable, reversible, yours. The wrong UPDATE becomes a two-minute fix.

Rust library for retrieving and interacting with the crates.io index

🚀 GizmoSQL — High-Performance Database Server

Fluent Wrapper for DbCommand

machbase-neo = time series database + mqtt + http + data visualization

A lightweight version of Milvus

Database Abstraction Layer – concise secure API to construct queries & fetch data

Production-ready KV-backed HNSW implementation in Rust using LMDB

A fast, embeddable drop-in for DynamoDB Local, backed by SQLite. Runs as a native binary, a ~5 MB Docker image, or in the browser.

Fastest library to load data from DB to DataFrames in Rust and Python

Zelos database abstractions

Storm is a modern, high-performance ORM for Kotlin 2.0+ and Java 21+, built around a powerful SQL template engine. It focuses on simplicity, type safety, and predictable performance through immutable models and compile-time metadata.

An embedded, in-memory, lock-free, transaction-based, key-value database engine