Awesome GitHub RepositoriesDatabases and Data

The Model Context Protocol is a standardized communication framework designed to connect language models to external data sources, functional tools, and interactive user interfaces. It provides a vendor-neutral interface layer that enables AI hosts to discover and execute capabilities across heterogeneous service environments, using a JSON-RPC based messaging standard to facilitate bidirectional communication between clients and servers. The protocol distinguishes itself through a robust capability-based handshake that negotiates feature sets during session initialization, ensuring compatibil

Geth is a comprehensive execution client for the Ethereum network, serving as a foundational node implementation that processes transactions, maintains the distributed ledger state, and participates in peer-to-peer consensus. It provides a robust infrastructure for synchronizing, validating, and serving blockchain data, utilizing a persistent Merkle Patricia Trie database to ensure the cryptographic integrity of historical records. As a sandboxed smart contract runtime, it executes bytecode according to deterministic protocol rules, enabling the deployment and interaction of decentralized appl

LevelDB is an embedded database library and persistent storage engine that provides a sorted key-value store. It uses a log-structured merge-tree architecture to map byte arrays to values, running directly within a process to provide storage without the need for a separate server process. The system is distinguished by its use of custom comparison functions to define key ordering, enabling efficient range scans and sequenced lookups. It ensures data reliability through atomic batch execution, consistent snapshot generation, and log-based recovery after failures. The engine covers broad capab

RocksDB is a high-performance, embeddable persistent key-value library and storage engine based on Log-Structured Merge-trees. It is designed to provide durable storage for large-scale datasets, integrating directly into applications to manage data on flash and RAM-based hardware. The engine is distinguished by its focus on minimizing read and write amplification through multi-threaded compaction and custom memory allocators. It features specialized optimizations for flash storage, including support for zoned block devices, and provides the ability to extend store behavior via external plugin

This project is an AI agent integration layer and skill library that connects large language models to external APIs and developer technologies. It functions as a cloud infrastructure automation framework, providing a standardized interface for managing compute, storage, and database resources through automated agent interactions. The system utilizes a skill registry to extend agent capabilities, allowing intelligent agents to interact with cloud platforms and productivity tools. It provides a resource management interface to execute configuration updates and implement standardized security p

Akka is an actor model framework and distributed systems platform used to build concurrent and distributed applications. It provides a toolkit for managing multi-threaded state and behavior through asynchronous message passing, allowing developers to create concurrent applications without manual locks or synchronization. The system functions as a cluster management and event sourcing framework, automating the scaling and coordination of high-availability clusters. It enables the deployment of elastic services that coordinate workloads across multiple network nodes and ensures fault tolerance

Finagle is a distributed service mesh and fault-tolerant remote procedure call framework. It provides a protocol-agnostic network library that implements a consistent interface for different network standards, including HTTP and Thrift. The project distinguishes itself by integrating a fault tolerance library that prevents cascading failures through circuit breaking and timeout management. It also implements a distributed tracing system to track requests across network boundaries and visualize call graphs. The framework covers several core capability areas, including dynamic service discover

This project is a machine learning reference guide and condensed cheat sheet providing a curated collection of classical equations, diagrams, and core concepts. It serves as a technical interview study guide focused on the mathematical foundations and theoretical principles required for machine learning engineering roles. The resource facilitates the review of algorithm theory and data science interview preparation by offering a centralized location to recall fundamental machine learning patterns and mathematical proofs. It functions as a study guide for academic exams and a quick-reference t

Hiredis is a minimalistic C client library designed to send commands and receive responses from Redis servers using a binary-safe protocol. It functions as a core toolkit providing a Redis protocol parser, a secure connector, and both synchronous and asynchronous driver interfaces. The library distinguishes itself through a decoupled protocol parser that converts raw byte streams into structured data objects independently of the network transport layer. It supports high-performance pipelining to batch multiple commands into a single network round-trip and provides a secure networking layer fo

OctoBot is an open-source automated trading platform that connects to over 15 cryptocurrency exchanges, enabling users to deploy grid, dollar-cost averaging, market-making, and AI-driven trading strategies. It functions as a unified multi-exchange trading platform, a TradingView alert executor, and a crypto trading bot, all within a single system. The platform is built on an event-driven trading loop with a plugin-based strategy engine, an exchange-agnostic connector layer, and a cloud-synced profile store for multi-device consistency. What distinguishes OctoBot is its integration of large la

This project is a Model Context Protocol server that provides an interface for AI agents to programmatically create, read, and modify Excel workbooks. It serves as a bridge that enables large language models to perform spreadsheet automation and data visualization. The server allows AI agents to generate native Excel charts and pivot tables from raw data, transforming structured information into visual summaries. It provides a mechanism for remote spreadsheet management through a protocol-based connectivity layer. The system covers a broad range of spreadsheet manipulation capabilities, incl

This project is a blockchain node software implementation that maintains a decentralized ledger using the Ouroboros proof-of-stake consensus protocol. It provides a complete environment for operating a distributed record, including a cryptocurrency wallet backend and a peer-to-peer network layer. The system is distinguished by its use of a UTXO-based ledger model and a diffusion-based state synchronization layer for node communication. It integrates a Public Key Infrastructure with TLS-authenticated communication to secure inter-node traffic and employs hierarchical deterministic key derivati

Overview: https://ethercalc.net/ User guide: docs.ethercalc.net (Starlight). Local: bun run --cwd packages/docs dev 中文版: http://tw.ethercalc.net/ 简体中文: http://cn.ethercalc.net/ REST API: API.md

Gazelle is a web framework geared towards private BitTorrent trackers. Although naturally focusing on music, it can be modified for most needs. Gazelle is written in PHP, JavaScript, and MySQL.

Basic Development Environment - a set of foundational C++ libraries used at Bloomberg.

A boilerplate-free library for loading configuration files

An official Qdrant Model Context Protocol (MCP) server implementation

C++ ORM for SQLite

MCP server for interacting with Neon Management API and databases