ApiArk is described as 'Local-first API client built with Tauri v2 and Rust. No login, no cloud, no telemetry. Supports REST, GraphQL, gRPC, WebSocket, SSE and MQTT from one interface. Collections are stored as plain YAML files on your filesystem, fully git-diffable' and is a API Client in the development category. There are more than 50 alternatives to ApiArk for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best ApiArk alternative is Bruno, which is both free and Open Source. Other great apps like ApiArk are Postman, Insomnia REST Client, Yaak and Hoppscotch.