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 library that provides an embeddable, persistent key-value store for fast storage.
- database
- storage-engine
An open source cybersecurity protocol for syncing decentralized graph data.
A lightweight, lightning-fast, in-process vector database
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
- approximate-nearest-neighbor-search
- image-search
- nearest-neighbor-search
- recommender-system
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.
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
An in memory postgres DB instance for your unit tests
- hacktoberfest
- pg-promise
- typeorm
- node-postgres
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
- xquery
- java
- temporal-data
- storage
Graviton Database: ZFS for key-value stores.
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.
Header only library that parses and plans SQL queries at compile time
- metaprogramming
- template-metaprogramming
- constexpr
- sql
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
new Db4o GPL Source Code for Java7+ & .netstardard2.0 Android Xamarin..., the best database project to help you to learn how to make databases
- oodb
- db4o
- database
- java
A persistent, map-like object for the Go programming language. Supports customization.