Open-source alternatives to Async Graphql

graphql-go is a server library for implementing GraphQL servers in Go. It provides the core infrastructure for schema parsing, resolver mapping, and query execution. The library includes a subscription engine that enables real-time data streaming to clients using WebSocket transport. It also features an execution tracer for monitoring and profiling query performance through telemetry tools. The system manages resource consumption and stability through a query optimizer that enforces depth restrictions and controls resolver concurrency. It supports data fetching optimization via field-level p

GraphQL.NET is a server-side framework for building and executing GraphQL APIs within C# applications. It provides a comprehensive toolkit for schema building, a federated engine for distributed data graphs, and a subscription handler for managing real-time data streams. The project distinguishes itself with a flexible schema builder that supports both programmatic code-first definitions and declarative schema-first approaches using the standard schema definition language. It includes a dedicated federation engine to split data graphs into subgraphs and compose them into a unified gateway, as

HotChocolate is a GraphQL server implementation for .NET that handles queries, mutations, and subscriptions over HTTP. It provides code-first schema generation directly from C# classes and attributes, keeping the schema and business logic in sync without manual type definitions. The project also includes a GraphQL gateway that composes multiple GraphQL and REST endpoints into a single unified schema, along with a GraphQL IDE for exploring, testing, and debugging GraphQL APIs interactively. The project distinguishes itself through its comprehensive tooling ecosystem, which includes a GraphQL c

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

Graphene-Django is a GraphQL integration framework and schema mapper used to build typed APIs for Django applications. It functions as a database API layer that transforms Django model fields and relationships into a graph schema, allowing clients to request specific data in a single call. The project implements the Relay specification, providing tools for global object identification and standardized connection-based pagination to manage large datasets. It distinguishes itself by mapping database models, forms, and serializers directly into GraphQL object types and mutations. The framework

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

Type-graphql is a toolkit and framework for creating type-safe GraphQL APIs. It functions as a schema generator and resolver library that uses TypeScript classes and decorators as the primary source of truth for data structures and query logic. The project enables the definition of GraphQL schemas and resolvers through typed classes rather than manual schema definition language. This approach ensures that TypeScript types automatically align with the GraphQL schema to prevent runtime errors. The framework provides capabilities for API implementation, including input data validation and acces

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

This project is a comprehensive educational resource and fullstack tutorial for GraphQL development. It provides instructional content and guides focused on designing schemas, implementing servers, and managing the end-to-end workflow of building production-ready applications. The material covers the conceptual differences between graph-based data structures and traditional API architectures. It includes a dedicated security course and guides for client integration, teaching users how to fetch data, manage application state, and apply protection measures to secure API endpoints. The scope of

express-graphql is a GraphQL API server implementation and HTTP middleware that connects a GraphQL schema to an HTTP server. It provides a request parser to extract queries and variables from various content types and a context provider to inject HTTP request data and session state into resolver functions. The library includes a browser-based interactive IDE that detects GET requests to serve an HTML interface for testing queries and inspecting responses. It also supports a custom execution pipeline, allowing for the override of default parsing, validation, execution, and error formatting fun

Type-graphql is a framework for building GraphQL servers that uses TypeScript classes as the single source of truth for schema definitions and types. It provides a schema generator and a resolver framework that allows developers to define queries and mutations using class-based controllers and decorators. The project focuses on a schema-first approach where TypeScript classes and metadata reflection are used to automatically derive GraphQL schemas. It incorporates a dependency injection container to manage the instantiation and lifecycle of resolver classes. The system includes a middleware

This project is a full stack monorepo boilerplate and Node.js GraphQL API template. It provides a seed project that integrates a schema-first GraphQL API, a PostgreSQL database, and a React frontend within a single repository to share types between the backend and user interface. The architecture includes a serverless wrapper for cloud deployment and automatic scaling. It implements a request batching layer to optimize database performance by preventing the N+1 query problem. The project covers database management through migration-based schema versioning and seed files. It also includes cap

This project is a strongly-typed GraphQL client library and code generator designed for Android, JVM, and Kotlin Multiplatform. It provides a toolset for executing queries and mutations, generating immutable classes and parsers from GraphQL schemas to ensure compile-time type safety. The library features a normalized client-side caching system that flattens server responses into a lookup table to maintain a single source of truth. It includes a specialized subscription client for handling real-time server-side updates via WebSockets or Server-Sent Events, and a mocking framework for simulatin

Javalin is a lightweight web framework for Java and Kotlin designed for building REST APIs and web applications. It functions as an embedded Jetty web server, allowing applications to run as standalone processes without the need for an external servlet container. The project provides specialized frameworks for diverse communication patterns, including a REST API framework with automatic OpenAPI schema generation, a GraphQL API framework with query and mutation resolvers, and a WebSocket server for bidirectional real-time communication. It also includes a dedicated framework for pushing real-t

This project provides a comprehensive architectural framework and set of standardized patterns for building, securing, and scaling production-ready Node.js applications. It serves as a foundational guide for establishing consistent development workflows, operational observability, and reliable service integration across distributed software systems. The framework distinguishes itself by emphasizing a schema-first approach to API development, ensuring that interface definitions drive the creation of server stubs, client libraries, and type definitions. It promotes a cloud-native posture by int

Yoga is a GraphQL server framework and runtime-agnostic HTTP handler used to build and deploy GraphQL APIs. It functions as a toolkit for managing schemas and resolvers, providing a spec-compliant environment for hosting APIs across diverse JavaScript runtimes, including Node.js, Deno, Bun, and serverless cloud environments. The project distinguishes itself through its ability to act as an Apollo Federation gateway, composing multiple subgraphs into a single unified supergraph. It also serves as a dedicated subscription server, delivering real-time data streaming via both WebSockets and Serve

Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API. The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend. The engine covers a broad range o

This project is an interactive educational platform and comprehensive curriculum designed to teach developers how to build, query, and integrate GraphQL APIs into full-stack applications. It provides a structured learning environment for mastering core concepts such as schema design, query execution, and the implementation of data-driven interfaces. The platform distinguishes itself by focusing on the practical application of real-time data synchronization and backend architecture. It guides users through the process of connecting frontend frameworks to relational databases, implementing role

This project is a PHP implementation of the GraphQL specification. It provides a suite of tools for building servers that process queries and mutations, including a schema parser, an execution engine for evaluating operations, and a toolkit for manipulating abstract syntax trees. The library differentiates itself through a specialized AST toolkit that allows for the inspection, modification, and printing of GraphQL abstract syntax trees. It also includes a mechanism for deferred field resolution to enable asynchronous data fetching and prevent blocking the primary execution thread. The imple

Spring GraphQL is a Java framework designed for building GraphQL services by mapping schema definitions directly to backend controller logic. It provides a reactive execution engine that processes queries and subscriptions asynchronously, supporting multiple network transports to facilitate communication between clients and data sources. The framework distinguishes itself through annotation-driven request routing, which decouples schema definitions from business logic to reduce implementation boilerplate. It includes native support for federated service composition, allowing developers to agg

This project provides a foundational boilerplate for building full-stack web applications that connect React frontend interfaces to backend GraphQL services. It serves as a structured environment for developers to initialize both client and server components, ensuring a unified architecture for data-driven software. The framework emphasizes a schema-first approach to API design, allowing for consistent data modeling across the entire stack. It includes pre-configured templates that integrate authentication and real-time subscription capabilities, alongside modular middleware for managing requ

Subql is a blockchain data indexing framework and TypeScript-based indexer used to extract raw blockchain events and transactions and transform them into structured, queryable data entities. It functions as a data API and a tool for building decentralized application backends, providing a query interface for type-safe access to indexed blockchain data. The project includes an AI-powered query engine that utilizes large language models to translate natural language questions into structured GraphQL queries. This system can orchestrate multi-step queries by breaking down complex requests into s

Absinthe is a GraphQL server implementation and query engine for the Elixir ecosystem. It provides the fundamental toolkit for building GraphQL APIs, including a processing engine that parses, validates, and executes documents against a defined application schema. The project includes a batch resolver to optimize database performance by grouping field requests and a complexity guard to protect system resources by rejecting queries that exceed defined cost thresholds. It also features a schema adapter that translates internal Elixir naming conventions to external GraphQL casing for client comp

Parse Server is a backend-as-a-service solution and Node.js framework that provides a ready-to-use REST and GraphQL API for mobile and web applications. It functions as a core backend infrastructure for managing database schemas, user authentication, and API routing. The system distinguishes itself with a real-time data engine that pushes database updates to clients via WebSockets and a GraphQL server that automatically generates schemas based on application data models. It also features an adapter-based storage layer that abstracts interactions with various cloud and local backends. The pla

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

Gauzy is an open business management platform and multi-tenant enterprise resource planning system. It provides a modular business framework designed to manage core organizational operations through a unified web interface or as a headless business API. The platform is distinguished by its integration with the Model Context Protocol, allowing it to act as a server that exposes business data and system functions as tools for AI assistants. It utilizes a dynamic plugin architecture and a dedicated marketplace to extend core business entities and services. The system covers a broad range of ope

Payload is a headless content management system and application framework that uses a code-first approach to define data schemas and administrative interfaces. By utilizing a centralized, type-safe configuration object, it automatically generates database schemas, API endpoints, and a fully customizable admin panel. The system is built on a database-agnostic architecture, allowing it to interface with various storage engines while providing a unified, type-safe API for server-side operations, REST, and GraphQL. What distinguishes Payload is its deep extensibility and developer-centric design.