An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.
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BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support
The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.
- mysql
- embedded-database
- ai-agents
- copy-on-write
🗻 Log-structured, embeddable key-value storage engine written in Rust
- database
- lsm
- lsm-tree
- lsmt
Ultra-fast SQL-like queries on Java collections
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.
- bolt
- cypher
- database
- enterprise-solutions
NuDB: A fast key/value insert-only database for SSD drives in C++11
A small, fast, in-browser database engine written in JavaScript.
StringDB is a modular, key/value pair archival DB designed to consume *tiny* amounts of ram & produce *tiny* databases.
- stringdb
- database
- lightweight
- easy-to-use