An open source cybersecurity protocol for syncing decentralized graph data.
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libSQL is a fork of SQLite that is both Open Source, and Open Contributions.
immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
- key-value
- immutable
- merkle-tree
- go
SQLCipher is a standalone fork of SQLite that adds 256 bit AES encryption of database files and other security features.
AlaSQL.js - JavaScript SQL database for browser and Node.js. Handles both traditional relational tables and nested JSON data (NoSQL). Export, store, and import data from localStorage, IndexedDB, or Excel.
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
Lightweight and blazing fast key-value database written in pure Dart.
A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!
- database
- graph
- client-server
- cross-platform
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.
YapDB is a collection/key/value store with a plugin architecture. It's built atop sqlite, for Swift & objective-c developers.
A rudimentary implementation of a basic document (NoSQL) database in Go
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
An Embedded NoSQL, Transactional Database Engine
Unofficial git mirror of SQLite sources (see link for build instructions)
Modern transactional key-value/row storage library.
👑 qqzeng-ip/QZDB 极速IP解析引擎 | Next-gen High-Performance IP Lookup Engine (IPv4 & IPv6). Supports LPM, zero-allocation SDKs (C/Rust/Go/Java/C#/NodeJS/Python/PHP) & DBMS scripts.
- cidr-lookup
- cpp
- csharp
- database-scripts
An educational OLAP database system.
Ultra-fast SQL-like queries on Java collections
:snowboarder: EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).
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
EliasDB a graph-based database.
- golang
- graph
- embedded
- supports-transactions
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
Elixir embedded key/value database