DuckDB is a high-performance analytical database system
Repository Index
71,372 visible repositories in the index
1–24 of 36 · Most stars
LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
An open source cybersecurity protocol for syncing decentralized graph data.
An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.
A lightweight, lightning-fast, in-process vector database
- rag
- agent-skills
- embedded
- faiss
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
- approximate-nearest-neighbor-search
- image-search
- nearest-neighbor-search
- recommender-system
the champagne of beta embedded databases
- incredibly-spicy
- database
- embedded-kv
- concurrent
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
A high performance NoSQL Database Server powered by Go
- ledisdb
- redis
- rocksdb-support
- support-cluster
A simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
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
GlueSQL is quite sticky. It sticks to anything.
- rust
- sql
- webassembly
- websql
ArcticDB is a high performance, serverless DataFrame database built for the Python Data Science ecosystem.
Lightweight IoT device information storage solution: KV/IAP/LOG. | 轻量级物联网设备信息存储方案：参数存储、在线升级及日志存储 ，全新一代版本请移步至 https://github.com/armink/FlashDB
A RocksDB compatible KV storage engine with better performance
High-performance, columnar, in-memory store with bitmap indexing in Go
- db
- soa
- indexing
- bitmap
Realm is a mobile database: a replacement for SQLite & ORMs
Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
- embedded-database
- java
- kotlin
- key-value
Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.
- embeddings
- go
- golang
- llm
A RocksDB compliant high performance scalable embedded key-value store
- key-value-store
- kvs
- storage-engine
- speedb
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
Swift database - fast, simple and lightweight (iOS, macOS)