LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
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A scalable, distributed, collaborative, document-graph database, for the realtime web
- database
- distributed
- distributed-database
- document-database
A library that provides an embeddable, persistent key-value store for fast storage.
- database
- storage-engine
An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.
immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
- key-value
- immutable
- merkle-tree
- go
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
- ai-native
- nearest-neighbor-search
- rag
- vector-search
Database for Android and JVM - first and fast, lightweight on-device vector database
A simple, fast and versatile Datalog database
- key-value-store
- embedded-database
- fulltext-search
- vector-database
A high performance, shared memory, lock free, cross platform, single file, no dependencies, C++11 key-value store
ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.
- lsm-tree
- key-value-store
- atomicity
- consistency
Graviton Database: ZFS for key-value stores.
Data-mining and Visualization components for RAD Studio
- visualization
- complex-structures
- database
- charting-library
Time-series database and pub/sub messaging server for IoT and real-time devices, in Go: an embeddable storage engine with TTLs, wildcard topics and encryption, and a clustered server over gRPC, TCP and WebSocket with replication and rolling upgrades.