Awesome GitHub RepositoriesQuery Execution Engines

This project is the JavaScript reference implementation of the GraphQL specification. It provides a query engine and schema parser designed to parse, validate, and execute queries to retrieve or mutate data based on a defined schema. The implementation includes a framework for mapping codebase structures to a strongly typed system and a tool for converting query strings into abstract syntax trees for programmatic analysis. The library covers the full surface of GraphQL API implementation, including schema definition, language parsing, and query validation. It provides the necessary infrastru

PostGraphile is an automated tool that converts a PostgreSQL database schema into a fully functional GraphQL API. It serves as a GraphQL execution engine and schema orchestrator, utilizing database schema introspection to retrieve strongly typed metadata directly from PostgreSQL. The project features a modular system for composing and standardizing GraphQL schemas through plugins, which manage naming conventions and connections. It includes a PostgreSQL query builder that constructs dynamic, SQL-injection-proof queries using tagged template literals. The system employs a declarative query pl

This project is a GraphQL implementation for Go, providing a complete suite for building GraphQL servers. It includes a schema engine for defining types, a query parser to convert strings into abstract syntax trees, and an execution engine that resolves fields against a defined schema to return structured data. The library distinguishes itself through reflection-based type mapping, allowing object definitions and arguments to be derived directly from native Go structs. It also supports the execution of real-time data streaming via GraphQL subscriptions and provides an extensible execution pip

Nhost is an open-source backend as a service that provides a managed PostgreSQL database, authentication, and file storage accessible through a unified GraphQL API. It functions as a backend infrastructure orchestrator, enabling the deployment and management of full-stack environments using containerization and command-line automation. The platform distinguishes itself by automating the transformation of relational database tables into a secure GraphQL API and providing an integrated identity provider that supports passwords, magic links, and OAuth. It also includes a serverless function runt

GraphQL Playground is a web-based integrated development environment and API client for GraphQL. It functions as a request client, schema browser, and subscription tester, allowing users to execute queries and mutations while validating data responses. The project distinguishes itself through a dedicated subscription tester that maintains persistent connections for monitoring real-time data streams. It also includes the ability to share specific request states and headers via serialized URL snapshots for collaborative debugging. The environment covers schema exploration through interactive d

GraphQL Playground is an interactive development environment and API client used for writing, testing, and debugging GraphQL queries, mutations, and subscriptions. It functions as a visual tool for executing requests against a GraphQL server and inspecting the resulting JSON responses. The project includes a documentation browser for exploring schemas and an editor with autocompletion and error highlighting. It provides specialized capabilities for analyzing API performance through tracing visualization and supports real-time data updates via subscription streaming. The environment allows fo

Graphene is a library and framework for building type-safe GraphQL APIs and schemas using Python objects and resolvers. It provides a system for mapping internal data models to typed GraphQL schemas, enabling the creation of servers that process queries and execute resolvers to return structured data. The project includes a full implementation of the Relay specification, providing standardized patterns for global object identification and cursor-based pagination. It utilizes a class-based approach to schema definition and supports interface-based type inheritance. The framework covers a broa

Juniper 是一个用于 Rust 的 GraphQL 服务器库和模式引擎。它提供了一套工具包，通过将原生 Rust 数据结构映射到 GraphQL 对象、输入和标量来构建类型安全的 API。该项目作为一个执行引擎，可以通过网络服务器处理查询和变更，也可以作为本地执行的无头引擎。 该库与运行时无关，允许它将 GraphQL 处理与各种异步 Rust Web 框架桥接。它包括一个订阅框架，用于管理持久的 WebSocket 连接，以向客户端推送实时数据更新。 该引擎涵盖了广泛的功能，包括模式语言导出、用于依赖注入的共享状态上下文管理，以及定义解析器的代码优先方法。它还支持集成十进制数和时间戳等专门数据类型，以避免手动数据转换。

Sucrase is a high-speed transpilation tool that compiles modern JavaScript, TypeScript, JSX, and Flow to standard JavaScript for modern runtimes. It operates as a fast alternative to Babel, using a single-pass scanner and tokenizer that strips type annotations and applies only requested syntax transforms without building an AST or performing type checking. The tool differentiates itself through a zero-type-checking pipeline that omits type checking entirely, relying on the assumption that input code is already valid for the target runtime. It uses scanner-based tokenization and single-pass co

GraphQL-Ruby is a Ruby library for building GraphQL APIs with a strongly typed schema and a dedicated query execution engine. It provides a comprehensive framework for mapping application objects to a formal type system, enabling structured data fetching through defined resolvers. The project distinguishes itself with advanced performance and delivery mechanisms, including a data loader for batching and caching to prevent N+1 query patterns. It supports high-performance data delivery through incremental response streaming, deferred query responses, and parallel data fetching using fibers. Add

graphql-go is a schema-first GraphQL library and server implementation for Go. It provides a query execution engine and schema parser that converts schema definition strings into executable structures and validates resolver signatures. The library also includes a streaming implementation for real-time GraphQL subscriptions using channels within resolvers. The project distinguishes itself through parallel resolver execution to reduce request latency and the use of buffer-pool memory management to lower garbage collection overhead. It enables the creation of cloneable schema instances from a sh

Strawberry 是一个用于 Python 的类型安全 GraphQL 库，支持使用 Python 类型注解和数据类（dataclasses）来设计 Schema。它作为一个异步 GraphQL 服务器和执行引擎，提供了将 Schema 暴露给 ASGI 兼容 Web 框架（如 FastAPI、Django、Flask 和 Litestar）的桥梁。 该项目实现了 GraphQL Federation，允许创建分布式 Schema 和实体，并将它们合并为跨多个服务的统一超图（supergraph）。它还包含一个专用的 Relay 规范工具包，支持全局对象标识和基于连接的分页。 该框架涵盖了广泛的能力，包括通过 WebSocket 和服务器发送事件（SSE）进行实时数据流传输、Pydantic 模型映射以及自动代码生成。它为安全性和可观测性提供了集成工具，例如查询复杂度限制、基于角色的访问控制（RBAC）和执行指标追踪。 开发者可以使用内置的开发服务器和交互式 Schema 检查界面进行原型设计。

async-graphql is a type-safe framework for building specification-compliant GraphQL servers in Rust. It uses procedural macros to automatically generate schemas from native language structures, ensuring consistency between the data model and the API specification. The project provides native support for Apollo Federation v2, allowing entities and fields to be shared and resolved across multiple distributed subgraphs. It also implements real-time data streaming via WebSocket subscriptions and asynchronous event streams. The framework includes a wide array of capabilities for schema design, su