For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
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The Prometheus monitoring system and time series database.
- monitoring
- metrics
- alerting
- graphing
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
- search-engine
- typo-tolerance
- site-search
- database
Distributed reliable key-value store for the most critical data of a distributed system
- etcd
- raft
- distributed-systems
- kubernetes
Free universal database tool and SQL client
ClickHouse® is a real-time analytics database management system
The Prisma ORM: write your application in TypeScript with human-readable queries instead of SQL. Host your database on Prisma Postgres and your app on Prisma Compute.
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
- anns
- nearest-neighbor-search
- faiss
- vector-search
DuckDB is a high-performance analytical database system
TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.
- distributed-database
- distributed-transactions
- tidb
- database
An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
- metasearch
- search
- python
- searxng
TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
- neural-network
- search-engine
- knn-algorithm
- hnsw
A scalable, distributed, collaborative, document-graph database, for the realtime web
- database
- distributed
- distributed-database
- document-database
CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.
A library that provides an embeddable, persistent key-value store for fast storage.
- database
- storage-engine
A modern replacement for Redis and Memcached
Scalable datastore for metrics, events, and real-time analytics
Search infrastructure for AI
The MongoDB Database
Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.
REST API for any Postgres database
- haskell
- database
- rest
- postgresql
A flexible distributed key-value database that is optimized for caching and other realtime workloads.