These open-source API tools cover GraphQL servers, backend platforms, and data pipelines. Apollo Server is a JavaScript GraphQL server for Express, Connect, Hapi, Koa, and more. Appwrite exposes REST APIs for auth, databases, and storage, and Airbyte moves data from APIs and databases into warehouses and lakes. Use the catalog to find a client, server, or integration path that matches your stack.
106 tools available
authgear-server is an open-source authentication server that serves as an alternative to Auth0 and Firebase Auth. It provides secure, flexible, and scalable user authentication and identity management for web and mobile applications.
Nhost is an open-source platform providing a Firebase alternative with GraphQL support.
A powerful JavaScript library for creating bots and applications by interacting with the Discord API.
Jitsu is an open-source Segment alternative with a fully-scriptable data ingestion engine designed for modern data teams. Set up a real-time data pipeline in minutes, not days.
Open Source alternative to Algolia and Pinecone, and an easier-to-use alternative to ElasticSearch. Fast, typo tolerant, in-memory fuzzy search engine for building delightful search experiences.
Generate TypeScript types from OpenAPI 3 specs to streamline API client and server development.
Arcjet JS SDKs offering comprehensive solutions for bot detection, rate limiting, email validation, attack protection, and data redaction. Compatible with Node.js, Next.js, Deno, Bun, Remix, SvelteKit, and NestJS.
A simple library for peer-to-peer communication using WebRTC, enabling easier connections and interactions directly between web browsers.
A spec-compliant and production-ready JavaScript GraphQL server for Express, Connect, Hapi, Koa, and more, supporting schema-first development.
Gel supercharges Postgres with a modern data model, graph queries, authentication, AI solutions, and more, turning databases into versatile platforms.
workflow-builder-template is a visual AI workflow automation platform that enables users to design, automate, and manage workflows with ease. It provides a user-friendly interface for integrating AI, APIs, and automation into custom processes without extensive coding.
An integrated development environment (IDE) to enhance GraphQL development workflows, featuring GraphQL Subscriptions, interactive documentation, and collaboration tools.
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GraphiQL & the GraphQL LSP Reference Ecosystem designed to enhance the development experience by providing tools for building browser and IDE integrations for GraphQL.
A library to enable seamless communication between your Apple Watch app and React Native applications.
React Native APIs transformed into convenient React Hooks for seamless integration with functional React components.
HealthKit bindings for React Native with TypeScript, enabling seamless integration with Apple's HealthKit data.
A comprehensive RSS, Atom, and JSON Feed generator for Node.js, designed to simplify and streamline content syndication for modern web applications.
A GraphQL client that eliminates the need for manually writing queries, enhancing development efficiency and ease of use.
Effortlessly convert Spotify links to your preferred streaming service, providing seamless access across platforms.
React integration for Apollo Client, providing an intuitive way to fetch, cache, and manage GraphQL data with React components.
A Prisma 2+ generator that automatically emits fully implemented tRPC routers, streamlining API development by bridging database schemas to typesafe backend endpoints.
An Express.js-based service that fetches YouTube video information and generates transcripts (subtitles) in any available language. It leverages the ytdl-core library to extract video metadata and the youtube-captions-scraper library to retrieve subtitles, providing an easy way to access and utilize YouTube video captions programmatically.
mkinf SDK to seamlessly interact with mkinf hub MCP servers, enabling efficient server communication.
Get type-safe access to any API, with a zero-bundle size option. Ideal for developers who want type safety without added package weight.
Vendure is a flexible, headless e-commerce platform designed with customization in its DNA, allowing developers to build tailor-made commerce solutions.
A framework for creating typesafe APIs effortlessly with a simple and user-friendly interface.
Browser MCP is a Model Context Provider (MCP) server enabling AI applications to directly control and interact with your browser for advanced automation and integration tasks.
Backend server powering the Signal Private Messenger, ensuring secure, end-to-end encrypted messaging and calling across Android, Desktop, and iOS.
YouTube.js is a powerful JavaScript client for YouTube's private InnerTube API, enabling developers to interact programmatically with YouTube's internal features that aren't available via the official public API.
express-zod-api is a TypeScript framework designed to quickly set up API servers with robust I/O schema validation, custom middleware support, and type safety, making API development more efficient and reliable.
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