Postman

Insomnia

Insomnia is a developer‑focused tool that lets you design, debug, and document APIs from a single, intuitive interface. It runs on Web, Windows, macOS, and Linux, providing a consistent experience wherever you work. With a freemium model, Insomnia offers robust features for individual developers and entire API teams, including collaboration, environment management, and seamless integration with popular API gateways and services.

Hoppscotch

Hoppscotch is a lightweight, web‑based tool that lets developers design, test, and document APIs without leaving the browser. Its clean UI supports REST, GraphQL, WebSocket, and gRPC, making it a versatile companion for any API workflow. The platform is open‑source, free to use, and integrates seamlessly with GitHub, GitLab, and Bitbucket, allowing teams to version‑control collections and share environments effortlessly.

Bruno

Bruno is an open-source, lightweight alternative to Postman and Insomnia for exploring and testing APIs. It provides a simple and intuitive interface for sending HTTP requests and analyzing responses.

docling

Docling is an open-source Python library that converts PDFs, DOCX, PPTX, XLSX, HTML, and image files into machine‑readable formats like Markdown and JSON. It preserves layout details such as reading order, tables, and figures, making the output ready for downstream generative‑AI and retrieval‑augmented generation workflows. Available as both a Python package and a command‑line interface, Docling runs on Windows, macOS, and Linux and can be deployed in cloud or SaaS environments. It integrates smoothly with version‑control platforms like GitHub and GitLab, and support is provided via documentation and email.