Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
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Sep 8, 2026 - TypeScript
An API can be thought of as an instruction manual for communication between multiple software apparatuses. For example, an API may be used for database communication between web applications. By extracting the implementation and relinquishing data into objects, an API simplifies programming.
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Automated API Testing and Quality Assurance
CodeChat - WhatsApp Api
The most comprehensive collection of quality OpenAPI tooling, curated by Phil Sturgeon and the team at APIs You Won't Hate.
Open source headless CMS API written using NestJS, that has pre built modules like User Management, Role Management, Permission Management, Email Module, Account Settings, OTP, Throttling, RBAC support, Localization, and many more.
An API Boilerplate to create a ready-to-use REST API in seconds with Fastify + Kysely and JWT Authentication
🎵 An Unofficial API for downloading high-quality songs from JioSaavn
A text-based HTTP client in the browser. An interface-less Postman.
REST API boilerplate with Typescript, Express.js, Typeorm and Mocha.
Compile TypeScript code to AWS "Functionless" Step Functions and Event Bridge Pipes
Find API quality and security issues via your OpenAPI spec
API Wrapper for Databases - Llana is a no-code API wrapper that exposes a REST API for any database within minutes. No longer spend time building APIs, just connect your database and start using the API. Open source, free to use, and no vendor lock-in.
A desktop automation platform — control browsers, system cursor/keyboard, run shell commands, and orchestrate workflows with AI agents and 80+ integrations. Runs locally.
REST conventions for Mobx
REST API platform for integrating systems with WhatsApp with stability, multiple instances, message sending, and event webhooking. Ideal for automation, bots, and enterprise systems.
ExpressWebJs provides the starting point for creating your Node / Bun project, allowing you to focus more on developing your amazing solution. ⭐️ Star to support our work!
Free Plant Recognition App + Public API + Models
simple and RESTful API for getting lyrics of any song made using Next.js and Tailwind CSS