The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
Design, Test and Document APIs in plain Markdown. Compose Requests with API blocks. Reuse, Replace & Version everything just like code. Offline, Truly Git Native, No Lock-in.
Awesome API Clients & Postman Alternatives (Open Source, Free, Pro)
A text-based HTTP client in the browser. An interface-less Postman.
Free, open-source API testing desktop app built with Rust. No account, no cloud, no telemetry.
Lightweight file-based CLI API client with encrypted secrets and first-class GraphQL support.
🚀 FullScopeTest 是一款 AI 驱动的下一代全链路自动化测试平台。深度融合大模型能力，提供自然语言生成脚本(NL2Script)、智能错误自愈、测试数据裂变及全局 AI Copilot。无缝集成 API 测试、Web 自动化(Playwright)与性能测试(Locust)，让自动化测试变得前所未有的智能与高效！🤖✨
Self-hosted, web-based REST API client. A lightweight Postman alternative for teams. No desktop install, no data leaves your network.
API client for code-first teams. Test, automate, and observe APIs from .http files.
A local-first desktop toolbox for API testing, protocol debugging, mocking, and enterprise/legacy system integration. One app, every protocol.
Desktop markdown editor with executable HTTP and database blocks — a git-native, local-first Postman alternative
Postman-grade API client for every developer — local-first, git-friendly collections, built-in load testing, unlimited history
Open-source API client with a native C++ load-testing engine. Postman-style requests + k6-level load tests in one local app
A developer and git friendly offline-only API client designed for efficient API testing and development. It stores the collections and requests as YAML files on your local file system, making it convenient to organize, reuse, and share your APIs. (Alternative to Postman and Insomnia)
A lightweight, open-source API client built with React and TypeScript. Features collections, environments, cURL/Postman/OpenAPI import, multi-tab interface, and dark/light themes.
RESTUI API Client In Your Terminal
Native desktop API client powered by Rust + Tauri v2. Supports HTTP, gRPC, WebSocket, collections, scripting, benchmarking, and API analytics with a modern React UI.
Fast, lightweight, privacy-focused API client. No sign-up required.
A modern, lightweight, self-hostable API client. No accounts, no cloud, no telemetry.
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