The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬
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.
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
Local-first desktop API client built for developers and AI agents
Free, open source, git-native API client. A local-first Postman, Insomnia and Bruno alternative for macOS, Windows and Linux: plain-text .tiger collections, works offline, no account, built-in MCP server for Claude and Cursor. MIT.
A lightweight, file-based CLI API client with age-encrypted secrets, first-class GraphQL support, and a built-in MCP server for AI agent workflows.
Free, open source API client for REST, GraphQL, gRPC and WebSocket. Desktop, web and CLI. No account.
A high-performance, local-first API client & Postman alternative built with Rust, Tauri 2, and Vue 3.高性能、本地优先的 API 调试与测试客户端 (Postman/Insomnia/ApiFox 替代品)，基于 Rust + Tauri 2 + Vue 3 打造。
Postman-grade API client for every developer — local-first, git-friendly collections, built-in load testing, unlimited history
Röle is a local-first, cross-platform API client built with Flutter: collections, environments, assertions, collection runner, and request flows. Optional self-hosted team sync via role-node. No account or telemetry required.
A fast, cross-platform desktop REST API client — a lightweight Postman/Insomnia alternative built with Wails (Go) + React.
⚡ Ultra-fast, lightweight, offline-first API client & Postman alternative built in Rust. Native MCP server for AI coding agents (Cursor, Claude, Antigravity). Multi-protocol: REST, gRPC, WebSocket, MQTT, SSE.
API Client for Purists. 5MB binary. 50ms startup. Keyboard-first Postman alternative built in Rust.
Markdown-based REST client
Free, source-available desktop GraphQL client and IDE for macOS, Linux and Windows: tabs that survive crashes, collections in git-friendly files, environments that refresh tokens, flows as smoke tests, schema browser. Built-in MCP server for Claude and other AI agents. A Postman, Insomnia and Apollo Explorer alternative.
Sankh is a very lightweight request manager. A collection is a plain folder of .sh files, each holding one curl command. One binary runs them in CI (sankh run) or serves a small web UI (sankh serve) where the server, not the browser, executes the requests.
The professional, privacy-focused alternative to Postman. 100% local, scriptable, and built with pure Java for maximum efficiency.
⚡ 100% offline-first API studio for REST, gRPC streaming, WebSocket & GraphQL. Zero cloud walls, native OS keyring encryption, and zero telemetry.
Um cliente de API moderno e ultrarrápido para Desktop. Esqueça ferramentas pesadas, o AuraFetch voa. ⚡
A terminal-native HTTP client with TUI. Uses .http files — the same format as JetBrains and VS Code REST Client. Import from Postman, Insomnia, Bruno, curl, OpenAPI. Response assertions for CI/CD. Code generation in 8 languages.
To associate your repository with the insomnia-alternative topic, visit your repo's landing page and select "manage topics."