SequoiaDB is a distributed document-oriented NoSQL database with a native distributed storage engine that provides full ACID compliance, elastic scalability, high concurrency, and high availability. It stores JSON-based semi-structured data, offers S3-compatible object storage, and enables multi-model processing of structured, semi-structured, and unstructured data.
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THE FIRST COLLECTIONTiDB is an open-source, cloud-native distributed SQL database with ACID transactions, horizontal scalability, Raft-based high availability, HTAP via TiKV and TiFlash, MySQL 8.0 compatibility, and vector search support.
sqlmap is an open-source penetration testing tool that automates detecting and exploiting SQL injection flaws and taking over database servers, with a detection engine and features for fingerprinting, data fetching, file system access and OS command execution.
immudb is an open-source immutable database with built-in cryptographic proof and verification. It supports SQL, key-value, and document models, keeps a tamper-proof history of every change, and speaks the PostgreSQL wire protocol.
InfluxDB 3 Core is an open-source time series database designed for real-time events, analytics, and monitoring, powered by Apache Arrow, DataFusion, and Parquet.
Lark is a real‑time JSON database server built in Rust on Glommio, offering drop‑in Firebase RTDB compatibility, WebSocket/WebTransport/REST APIs, optional persistence, Dockerized deployment, admin dashboard, and example apps.
Anakrisis is an ethics-aware OSINT investigation planning and risk evaluation MCP server. It classifies investigations, scores risk against local YAML doctrine, flags prohibited actions, and scaffolds case documentation, supporting both cloud and local AI models.
An open-source, single-executable Firebase alternative built with Rust and SQLite, featuring type-safe APIs and a WebAssembly runtime.
Metabase is an open-source business intelligence and embedded analytics tool designed to allow users to query data and create dashboards without requiring SQL knowledge.
OwnChat is a self-hosted desktop chat application built with Java Swing and sockets, using Oracle Database for storage. It supports account creation, contacts, real-time messaging, chat history, themes, and online status tracking.
etcd is a distributed, reliable key-value store written in Go that uses the Raft consensus algorithm for highly available replicated logs. It offers a simple gRPC API, TLS security, and is widely used in production for critical distributed system data, notably with Kubernetes.
Directus wraps any SQL database with auto-generated REST and GraphQL APIs, a visual management Studio, and a native MCP server for AI agents. It supports granular permissions and self-hosting.